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Tables 1 and 2 of paper entitled Tabular data relating to three papers in

Phil, Trans. R. Soc. bond. B, vol. 286 Speculations on dispersal and the flora of the Aldabra archipelago

By G. E. Wickf.ns

W. Speculations on and the flora of the Aldabra archipelago

in Phil. Trans. R. Soc. Lond. B, vol. 286 By G. E. Wickens

F. A twelve month study of abundance and composition at various localities on Aldabra Atoll

By Dawn W. Frith

H.Numbers of on the islands of Aldabra Atoll

By Sarah H. Hnatiuk TABLE 1 . CHECK LIST OF THE TERRESTRIAL FLORA: ITS DISTRIBUTION, MODE OF

DISPERSAL AND STATUS. Nomenclature follows that accepted for

'The Flora of Ald&bra and Neighbouring Islands' by F.R. Fosberg

& S.A. Renvoize (in press).

Aid. - Aldabra Ast. - Astove Mad. -

Ass. - Assumption Sey. - Masc. - Mascarenes

Cos. - Cosmoledo Afr. - t denotes no longer extant dispersal b ird s

c C tn u x) •o ft) d> a 0) ■P 4-> •H 4) c X distribution propagule 90 •H o e s ta tu s

1 . Acrostichum aureum pantropical spore + n a tiv e

2 . Nephrolepis biserrata pantropical spore n a tiv e

3. Annona squamosa pantropical seed + introduced, cult

4. Cissampelos pareira var. hirsuta palaeotropical drupe + n a tiv e

5. Brassica nigra cosmopolitan seed + introduced, cult

6. Capparis cartilaginea palaeotropical 6eed ? n a tiv e

7. Cleome s trig o s a A fr.-M asc. seed ? ? native, strand

8. Gynandropsis gynardra pantropical seed + in tro d u ced , weed

9. Maerua triphylla var. pubescens A fr.-M asc. b erry ? n a tiv e

10. Flacourtia ramontchii var. renvoizei Aid., Ast. berry + endemic

11. Ludia mauri.tiana A fr.-M ad. b erry ? n a tiv e

1 2 . Portulaca mauritiensis var*-aldabrensis A id ., Ass. seed ? ? endemic

13. " " var. grubbii Cosmoledo seed ? ? endemic

14. " oleracea var. oleracea pantropical seed + + + ? n a tiv e

15. " M v a r. d e lic a tu la A ldabra seed ?? endemic

16. " " var. granulato-stellulata pantropical seed 0 ? ? n a tiv e x 17. Calophyllum inophyllum var. takamaka W. drupe + + endemic, strand dispersal

b ird s

§ 1 E u u w 1 distribution •H a X propagule seec s ta tu s * •H 4> man

18. Abutilon angulatum Afr.-M ad. seed + introduced, weed

19- Abutilon fruticosum palaeotropical seed + introduced, weed

20. Abutilon pannosura palaeotropical seed + introduced, weed

21. Gossypiura hirsutum pantropical seed + introduced, cult

22. Hibiscus abelraoschus pantropical seed + introduced, cult

23. Hibiscus tiliaceus pantropical seed + native, strand

24. Sida acu ta pantropical seed + introduced, weed

25. Sida parviflora Indian Ocean seed ? ? n a tiv e

26. Sida rhombifolia pantropical seed ♦ introduced, weed

27. Thespesia populnea pantropical seed + native, strand

28. Thespesia populneoides Indo-Pacific seed + native, lagoon

29. Corchorus aestuans pantropical seed ♦ in troduced, weed

30. Grewia aldabrensis Aldabra drupe ? endemic

31. Grewia salicifolia A id ., Cos. drup ? endemic

32. Triumfetta procumbens Indo-Pacific drupe + + native, strand

33. Erythroxylum acranthum A id ., A ss., Cos drupe ? endemic

34. Tribulus cistoides pantropical m ericarp -4 introduced, weed dispersal

b ird s

-o TJ B 0) •H a distribution propagule * CO i s ta tu s

35« O xalis ? ? 6eed

36. B\xrant,t pantropical se e d /p la n t

7. S.uriana maritime ^antropical nucule +

V . Ochna c i l i a t a Madagascar d ru p e le t

39- Malleactrum leroyi A ldabra drupe

4t Xylocarmis granatum Indo-Pacific seed ♦

41. Xvlocarpus moluccens:s Jndo-Pacific seed +

4? . hoo iyt«» dimidiata palaeotropical drupe

43» Maytenus ser.egalenei6 palaeotropical seed

44. Mystroxylo;n *triopicuir. A fr.-M ad. drupe

45* C olu b rin a a s ia tic a Indo-Pacific seed +

46. Gouania scandens Afr.-W. Ind. Ocean m ericarp +

47• A fr.-M ad.

48. Allophylus ildabricus Aid.f Ass. Oos.f Ast

49* Dodonaea v isco s pantropical samara + +

50. Macphersonia hilderbran A fr.-M ad. drupe

51. Operculicarya gm era Madagascar drupe n a tiv e dispersal

b ird s •a 1 c (4 u T3 0) «) c v -p c c X distribution propagule * •3 •rl 4> s ta tu s

52. Moringa oleifera pantropical ? seed

53. Caesalpinia bonduc pantropical seed

54. aldabrensis A id ., A ss. seed

53. Cassia occidentalis pantropical seed

36. Delonix regia Madagascar seed

57. Tamarindus indica palaeotropic seed

58. Cailiandra alternans Madagascar ? seed

59• Dichrostachys microcephala Madagascar seed

60. Abrus precatorius subsp. africanus Afr.-W. Ind. 0c. seed

61. Canavalia rosea pantropical seed

62. Clitoris ternatea / 63. Crotalaria laburnoides var. laburnoides ?

64. Erythrina variegata +

? n a tiv e 65. Indigofera sp. native, strand 66. Sophora tomertosa n a tiv e 67. Tephrosia pumila var. aldabrensis ?

68. Terammus labialis subsp. arabicus ? ? ? introduced, weed dispersal

b ir d s

"O a « •H © s ta tu s distribution propagule > CO

native, strand pantropical seed ♦ 69. Vigna m arina seed ♦ introduced, cult, 70. Vigna unguiculata pantropicai f r u i t + native, strand 71. Brexia madagascariensis A fr.-M ad. se e d lin g * native, lagoon / 72. Bruguiera gymnorrhiza Indo-Pacific seed ? endemic 73. Cassipourea thomassetii Aldafcra native, lagoon Indo-Pacific se e d lin g ♦ 74. Ceriops tagal se e d lin g + native, lagoon 75. Rhizophora mucronata Indo-Pacific pseudocarp + native, lagoon 76. Lumnitzera racemosa Indo-Pacific drupe 4 n a tiv e 77. Terminalia boivinii A fr.-M ad. ? ? native, strand palaeotropical drupe ♦ 78. Terminalia catappa b erry ? endemic 79. Eugenia elliptica var. levinervis A ldabra ♦ native, strand Indo-Pacific seed + 80. Pemphis acidula native, lagoon Indo-Pacific b erry ♦ 81. Sonneratia alba seed ♦ in tro d u ce d , weed 82. Turners ulmifolia pautropical seed ♦ + introduced, cult. 83. Passiflora foetida var. hispida pantropical seed ♦ + introduced, cult. 84. Passiflora suberosa p a n tro p ic a + introduced, cult. pantropical seed 85 . C arica papaya seed + introduced, cult. 86. Cucumis anguria trop. Africa dispersal b ird s

1 1 fl aj -m c , h o « x 3 distribution propagule * 0 -h

87. Cucumis melo palaeotropical seed ? ? ? n a tiv e

88. Cucurbits moschata pantropical seed + introduced, cult.

89. Lagenaria siceraria pantropical seed + introduced, cult.

90. Momordica charantia pantropical seed + + introduced, cult.

91. Peponium sublitorale A ldabra seed ? ? endemic, strand

92. Trichosanthes cucumerina palaeot r r-oic al seed + + introduced, cult.

93. Sesuvium portulacastrum pantropical se e d /p la n t + + native, lagoon

94. Trianthema portulacastrum pantropical capsule + ?? n a tiv e

95. Mollugo nudicaulis pantropical seed + in troduced, weed

96. Mollugo oppositifolia pantropical seed ? n a tiv e

97. Canthium bibracteatum Afr.-M ad. drupe 0 n ativ e

98. Guettarda speciosa Indo-Pacific drupe + native, strand

99. Hedyotis corallicola C os., A st. seed ? endemic

100. Hedyotis lancifolia var. brevipes trop. Africa seed ? ? in tro d u ced , weed

101. Hedyotis prolifera A id ., Ass. seed ? endemic

102. Polysphaeria m ultiflora Afr.-M ad. drupe ? n a tiv e

103. Psychotria pervillei Ind.-O cean drupe ? n a tiv e

104 Tarenra supra-axillaris A ldabra drupe ? endemic dispersal b ird s

11 t 3 ft) ft) C <8 *> 4*C distribution propagule '5 to * § s ta tu s

105. Tarenna trichantha Afr.-Mad. drupe ? n ativ e

106. Tarenna verdcourtiana A id.-A ss. drupe 4 endemic

107. Triainolepis fryeri Aid. y Ass. 1 vOi drupe ♦ endemic

108. Tricalysia sonderana Afr.-M ad. drupe 4 n ativ e

109. Bidens pilose pantropical cypsela 4 in tro d u ced , weed

110. Launaea intybacea pantropical cypsela 4 4 in tro d u ced , weed

111. Launaea sarmentosa Indo-Pacific cypsela 4 native, strand

112. biflora Indo-Pacific cypsela 4 native, strand

113- Synedrella nodiflora pantropical cypsela 4 in tro d u ced , weed

114. Tridax procumbens pantropical cypsela 4 4 in tro d u ced , weed

115. Vernonia cinerea pantropical cypsela 4 introduced, weed

116. Vernonia grandis Madagascar cypsela ? n a tiv e

117. Scaevola taccada Indo-Pacific drupe 4 4 native, strand

118• Plumbago aphylla Afr.-M ad. anthocalp 4 4 ? n a tiv e

119. Sideroxylon inerme subsp. cryptophlebia Aid•^ Ass•1 Cos•9 Ast« b erry 4 endemic

120. Jasminum elegans Madagascar drupe 0 n ativ e

121. Azima tetracantha palaeotropical b erry ? n ativ e

122. Salvadora angustifolia var. angustifolia Madagascar drupe ?? ? n a tiv e dispersal

b i r d s

1 1 u u 4) O 05 •P -P a x

distribution propagule w i l d S •H 4) status

123. Carissa edulis palaeotropical b erry ? n a tiv e

12^. Catharanthus roseus pantropical seed + introduced, cult,

125. Pandaca mauritiana Mascarenes seed ? n a tiv e

126. Pentopetia androsaernifolia Madagascar seed ? ♦ ? introduced, cult,

127. Pleurostelma cernuum Afr.-Mad. seed ? n a tiv e

128. Sarcosterama viminale A fr.-M ad. seed ? n a tiv e

129. Secamone fryeri Aid., Ass., Ast seed ? endemic

130. Tylophora indica tro p . A sia seed ? n a tiv e

131. Cordia subcordata Indo-Pacific drupe + native, strand ■ o f ' 132. Ehretia corymbosa A fr.-M ad. drupe ? n a tiv e

133. Tournefortia argentea Indo-Pacific drupe + native, strand

134. Evolvulus alsinoides pantropical seed ? ? introduced, weed

135. Ipomoea batatas pantropical tu b e r + introduced, cult,

136. Ipomoea raacrantha pantropical seed + native, strand

137. Ipomoea obscura palaeotropical seed ? native, strand

138. Ipomoea pes-caprae subsp. brasiliensis pantropical seed ♦ native, 6trand

139. Capsicum annuutm pantropical seed ♦ introduced, cult.

140. Capsicum frutescens pantropical seed + introduced, cult. dispersal

b ird s

1 £ ! 'Tj w W rl +J •H ® C K 1 s ta tu s distribution propagule * (0 -H

+ introduced, cult, palaeotropical seed 141. Datura metel seed + introduced, cult, 142. Nicotians tabacum pantropical b e rry ♦ endemic 143. Solanum indicum var. aldabrense A ldabra seed ? ♦ introduced, cult, 144. Solanum lycopersicum cosmopolitan ♦ introduced, cult. cosmopolitan seed 145. Solanum melongena b e rry ♦ + ? in tro d u ced , weed 146. Solanum nigrum var. americanum pantropical seed ? n a tiv e 147. Bacopa monnieri pantropical Madagascar-Masc. seed ? n a tiv e 148. Bryodes micrantha introduced, weed palaeotropical seed ♦ 149• Striga asiatica seed + introduced, cult, 150. Tabebuia pallida pantropical seed ? n a tiv e 151. Asystasia gangetica palaeotropical seed ? + in tro d u ced , weed 152. Barleria decaisniana Madagascar seed ? endemic 153. Hypoestes aldabrensis Aid., Ass., Cos., Ast. seed ? n a tiv e 154. Justicia procumbens trop. Asia, Ind.Ocean seed ? n a tiv e 155. Ruellia monanthos Madagascar seed lin g ♦ native, lagoon 156. Avicennia marina Indo-Pacific drupe ? endemic 157. Clerodendrum glabrum var. minutiflorum Aid., Ass., Cos., Ast. drupe + introduced, cult. 158. Congea griffithiana tr o p . Asia 1 d is p e rs a l b ird s

distribution propagule status

159 • Lantana camara var. aculeata perntropiceil drupe ♦ ♦ in tro d u c e d ,• c u l t .

160. Premna obtusifolia Indo-Pacific drupe ♦ n a tiv e

161. Stachytarpheta jamaicensis pantropical n u tle t ♦ in tro d u c e d , weed

162. Stachytarpheta urticifolia pantropical n u tle t ♦ in tro d u c e d , weed

163. Nesogenes dupontii Aid., Ass., Cos A s t. drupe ? endemic

164. Leonotis nepetifolia pantropical n u tle t ♦ introduced

165. Ocimum basiiicum pantropical n u tle t ♦ introduced, cult.

166. Ocimum canuis pantropical n u tle t + introduced, cult.

167. Ocimura gratissimum pantropical n u tle t + introduced, cult.

168. Ocimum sanctum pantropical n u tle t + + introduced, cult.

I69. Boerhavia africana palaeotropical anthocarp + ? ? in tro d u ced

170. Boerhavia crispifolia Aldabra anthocarp + endemic

171. Boerhavia repens var. maris-indici A ldabra an thocarp + endemic

172. Mirabilis jalapa pantropical anthocarp + introduced, cult

173» P iso n ia a c u le a ta pantropical an thocarp n a tiv e

174. Pisonia grandis Indo-Pacific an thocarp native, strand

175* Achyranthes aspera var. fruticosa pantropical u t r i c l e ? n a tiv e

176. " " var. velutina Indo-Pacific u t r i c l e * ? n a tiv e dispersal

distribution propagule status

177. pungens pantropical u t r i c l e ♦ in tro d u ced , weed

178. Amaranthus dubius pantropical u t r i c l e ♦ in tro d u ced , weed

179. Amaranthus viridis pantropical u t r i c l e ♦ in tro d u ced , weed

180. Deeringia polysperma tro p . A sia drupe ? n a tiv e

181. Lagrezia oligomeroides Aid., Ass., Cos Sey. u t r i c l e ? endemic

182. Arthrocnemum pachystachyum Afr.-M ad. u tr i c le ♦ native, ? lagoon

I83. Cassytha filiform is pantropical drupe + 4 n a tiv e

184. Hernandia nymphaeifolia pantropical nut ? ? native, strand

185. Bakerella clavata Madagascar b erry 4 n a tiv e

186. Viscum triflorum W. Ind. Ocean b erry 4 n a tiv e

A st. seed 4 endemic • OO Aid., Ass., Cos -O Acalypha claoxyloides

188. Acalypha indica palaeotropical cocci + in tro d u ced , weed

189. Euphorbia hirta pantropical cocci ♦ in tro d u ced , weed

190. Euphorbia indica var. pubescens Indian Ocean cocci ? ? ? in tro d u ced , weed

191. Euphorbia mertonii A ldabra cocci ? endemic

192. Euphorbia prostrata pantropical cocci ♦ in tro d u ced , weed

193. Euphorbia pyrifolia W. Ind. Ocean cocci ? n a tiv e dispersal b ird s > ** 1 1 w Vc sea distribution propagule wine i i s ta tu s

194. Euphorbia stoddartii Aid., Ass., Cos., Ast. cocci endemic

195* M argaritaria anomala var. cheloniphorbe A id. , Cos. , A s t. co cci ? endemic

196. Pedilanthus tithymaloides pantropical m ericarp ♦ introduced, cult

197. Phyllanthus amarus pantropical co cci ? 4* in tro d u ce d , weed

198. Phyllanthus casticum Mad.-Masc regna ♦ n a tiv e

199* Phyllanthus maderaspatensis var. frazieri A id ., A st. co cci ? endemic

200. Phyllanthus rackenzei A id., C os« cocci ? endemic

201. Ricinus communis pantropical cocci ♦ ? ♦ introduced, cult

202. Laportea aestuans pantropical achene ? n a tiv e

203. Obetia ficifolia M ascarenes achene + n a tiv e

204. Ficus avi-avi W. Ind. Ocean f i g . ? n a tiv e

205. F icu s nautarum W. Ind. Ocean f ig . ♦ n a tiv e

206. F icu s re fle x a Mad.-W. Ind. Ocean f i g . ? n a tiv e

207. M aillardia pendula A ldabra drupe ♦ endemic

208. Casuarina equisetifolia Indo-Pacific seed ♦ + ♦ ? native, strand

209. Acampe r ig id a palaeotropical seed ? n a tiv e

210. Angraecum eburneum Mad.-Masc. seed ? n a tiv e

211. Hederorkis seychellensis Ala., Seychelles seed ? n a tiv e t V dispersal

b ird s

■a *3 at, ct, •O Ha> a>H H CO V -P $ a x distribution propagule 3 CO -H 0) status

212. Musa sp . pantropical c u ttin g s + introduced, cult, t

213. Dioscorea bemarivensis M adagascar seed + n a tiv e

214. Agave sisalana pantropical b u lb ils introduced, cult.

215. Asparagus umbellulatus M ascarenes b e rry ♦ n a tiv e

216. Dracaena reflexa var. angustiiolia Mad.-Masc. b e rry ? n a tiv e

217. Lomatophyllum aldabrense Aid. f Ass., Ast b e rry + endemic

218. Commelina benghalensis pantropical seed/stem ? ? + in tro d u ce d , weed

219. Cocos nucifera pantropical drupe + + native, strand

220. Lodoicea maldivica S e y c h elles drupe + + introduced, cult.t

221. Phoenix dactylifera pantropical drupe ? + introduced, cult.

222. Pandanus aldabraensis A ldabra phalange + endemic

223. Pandanus tectorius Indo-Pacific phalange 4- native, strand

224. Najas grarainea palaeotropical n u tle t + n a tiv e

225. Bulbostylis basalis A ldabra achene ? endemic

226. Bulbostylis hirta pantropical achene ? n a tiv e

227. aromaticus var. elatus A fr.-M ad. achene ? n a tiv e

228. Cyperus bigibbosus A ldabra achene ? endemic 0 229. Cyperus bulbosus palaeotropical achene ? in tro d u ced , weed dispersal

distribution propagule status

230. Cyperus conglomeratus achene ? native, strand

231* Cyperus dubius achene ? n a tiv e

232. Cyperus ligularis achene ? n a tiv e

233. Cyperus niveus var. leucocephalus achene + n a tiv e

234. Cyperus pumilus achene ? n a tiv e

235* Fim bristylis cymosa achene ? n a tiv e

236. Firabristylis ferruginea achene ? n a tiv e

237• Bambusa vulgaris clone + introduced, cult

236* Cenchrus ecninatus b u rr ? + introduced, weed

239* Cymbopogon c i t r a t u s s p ik e le t introduced, cult

240. Dactyloctenium ctenoides f lo r e t ? ? native, strand

241. Dactyloctenium pilosum f lo r e t ? n a tiv e

242. Daknopholis boivinii f lo r e t ? ? native, strand

243. Digitaria horizontalis s p ik e le t ♦ + introduced, weed

244. Digitaria setigera s p ik e le t ♦ + in tro d u c e c , weed

245. indica subsp. indica f lo r e t + introduced, weed

246. Enteropogon sechellensis A fr.-M ad. s p ik e le t ? ? native, strand

247* Eragrostis decurabens Aid., Ass., Cos., Ast. ca ry o p sis ? endemic b ird s

1 0) , 1 td

248. Eragrostis subaequiglumis c ary o p sis ? endemic

249. Eriochloa meyerana s p ik e le t ? n a tiv e

250. Eriochloa subulifera s p ik e le t ? n a tiv e

251. Ischaemum rugosum s p ik e le t ? n a tiv e

252. Lepturus repens s p ik e le t ♦ ♦ native, strand

253. Panicum aldabrense s p ik e le t ? endemic

254. Panicum afisumptionis s p ik e le t ? endemic

255. Panicum maximum seed /clo n e + introduced, cult

256. Panicum voeltzkowii s p ik e le t ? n a tiv e

257. Paspalum distichum s p ik e le t + ♦ native, strand

258. Pennisetum polystachion s p ik e ;e t + in tro d u ced , weed

259. Sclerodactylon macrostachyum f lo r e t ♦ native, strand

260. Sporobolus aldabrensis Aldr.br a seed ? endemic

261. Sporobolus testudinum A ldabra seed ? endemic

262. Sporobolus virginicus pantropical f lo r e t ♦ + native, strand

263. Stenotaphrum clavigerum A id•, A ss. s p ik e le t ♦ endemic

264. Stenotaphrun raicrant.hum Indo-Pacific s p ik e le t ♦ native, 6trand

265. Zea mays pantropical c a ry o p sis + introduced, cult TA BLE 2 . ENDEMIC TAXA OF THE INDIAN ISLANDS PRESENT IN THE ALDABRA ARCHIPELAGO AND THEIR AFFINITIES distribution distribution presumed dispersal b ird s a (0 rHO .S o o a; >> •H •H T3 cc H O 0) o a) -t-> 01 rH rH | o. u O. rH a> • O (9 ■ o x> u .C O 6 O O | -t-> o> •o3 a s >> i to -o u a •*> rH 9 o w 0) <3 « C •H O C presumed affinity reference p ropagule (0 10 ‘H e x te rn a l endemic taxa < << o w CO Mascarene6 < 5 : a: t-H 10. Flacourtia ramontchii L’Herit. F. ramontchii L’Herit. Fosberg 1974 4 b e rry var. renvoizei Fosberg var. ramontchii 12. Portulaca mauritiensis Poelln. 4 P. mauritiensis Poelln. Fosberg 1977b ♦ seed ? ? var. aldabrensis Fosberg var. mauritiensis 12* Portulaca mauritiensis Poelln. 4 P. mauritiensis Poelln. Fosberg 1977b ♦ seed ? var. grubbii Fosberg var. mauritiensis 15. L. 4 P. oleracea L. Fosberg 1977b ♦ seed ? ? var. delicatula Fosberg var. oleracea

17. Calophyllum inophyllum L. 4 4 4 C. inophyllum L. Fosberg 1974 4 drupe var. takamaka Fosberg var. inophyllum

30. Grewia aldabrensis Baker 4 G. occidentalis L.; Baker 1894 4 4 drupe ? G. picta B aill.

31. Grewia salicifolia Schinz 4 4 4 G. glandulosa Vahl; Schinz 1897 4 drupe ? G. saligna Baill.

33* Erythroxylon acranthum Hensley ♦ 4 4 E. platyclados Boj. Hemsley 1916 4 drupe ?

39* M alleastrum le r o y i F osberg + M. spp. (Madagascar) Fosberg 1974 4 drupe ?

48. Allophylus aldabricus Radik. 4 4 44 A. bojeranus (Camb.) Bl. Leenhouts 1967 4 drupe

54. Cassia aldabrensis Hemsley 4 4 C. brevifolia Lam.; Brenan 1976 4 seed C. reducta Brenan personal com.

59- Dichrostachys micrccephaia Renv. 4 4 4 D. commersonianus (B aill.) Renvoize 1972 4 seed ? ? Drake

7?. Cassipourea thomassftii (Hemsley) ♦ C. sp p . Alston 1925 4 4 seed ? A lsto n 79* Eugenia e l l i p t i c a Lam. 4 E* e l l i p t i c a Lam. Fosberg 1978a 4 b e rry var. levinervis Fosberg var. elliptica 91. Peponium sublitorale Jeffrey & 4 P. cienkowskii (Schweinf.) Page & Jeffrey 4 seed ? ? Page E ngl. 1975 99* Hedyotis corallicola Fosberg 4 4 Oldenlandia congesta Fosberg 1978a 4 4 seed ? B a l f .f .

101. Hedyotis prolifera fosberg 4 u n c e rta in Fosberg 1978a 4 4 seed ?

103* Ps.ychotria pervillei Baker 4 P. o b tu s if o lia Lam. Baker 1877 4 drupe ? Lstribution distribution presumed dispersal

oc -Ho b ird s U rH o C >> -H o T30) ►Hw w 50 0 O 0 ca cu • u, rH 0) • co d 1 cx, o £> O > u O be • I U *oa o •H^ T) Q U (0 O'1 C ■ o to * co co c 3 •H in te rn a l endemic taxa o S eychelles presumed affinity re fe re n c e propagule cO §

104. Tarenna supra-axillaris (Hemsley) T. nigrescens Hiern Hemsley 1916 4 4 drupe ? Bremek.

106. Tarenna verdcourtiana Fosberg 4 4 Fosberg in ed 4 drupe ? 107. Tri.ainolepi6 fryeri (Hemsley) 4 4 4 T. africana Hook. f. Verdcourt 1975 4 4 drupe 0 Breroek.

119. Sideroxylon inerme L. subsp. 4 4 4 S. inerme L. subsp. J.H. Hemsley 4 b e rry ♦ cryptophlebium (Baker) inerme & diospyroides 1966 J.H. Hemsley 129- Se-camone f r y e r i Hemsley 4 4 4 S. zambesiaca Schlecht. Hemsley 1916 4 seed ? 142. Solanum indicum L.var. aldabrense 4 4 4 S. indicum L. Fosberg 1978a 4 4 4 b e rry ♦ (C.H. Wright) Fosberg 153. Hypoestes aldabrensis Baker 4 4 + 4 H. adscendens Nees Baker 199^ 4 seed + 157. Clerodendrum glabrum Baker 4 4 4 4 C. glabrum Baker Fosberg 1.978a 4 drupe ♦ var. minutiflorum (Baker) Fosberg 163. Nesogenes dupontii Hemsley 4 ♦ 4 N. a fric a n u s G. T aylor Taylor 1930 4 drupe + 170. Boerhavia crispifolia 4 Fosberg 1978b anthocarp 171. Boerhavia repens L. 4 4 4 B. repens L. var. repens Fosberg 1978b + anthocarp var. maris-indici Fosberg 181. Lagrezia oligomeroides (C.H. Wright) ♦ 4 L. mad:gaecariensis (Poir.) Fosberg 1974 4 u t r i c l e Fosberg Moq.

187 Acalypha claoxyloides Hutjh. 4 ♦ 4 4 A. spp. (in Africa) Turrill et al. 4 seed ? 1918 191. Euphorbia mertonii Fosberg 4 E. sanguines Boiss. Fosberg 1978a 4 seed 193. Euphorbia p y r if o lia Lam. - 4 4 E. spp. (Madagascar) Candolle 1862 4 seed ? 194. Euphorbia stoddartii Fosberg 4 4 4 4 E. prostrata Ait. Fosberg 1978a 4 seed ? 195. M argaritaria anomala (B aill.) 4 4 4 Phyllanthus anomalus Turrill et al. 4 4 seed ♦ Fosberg var. cheloniphorbe Muell. Arg. (1918) (Hutch.) Fosberg 199. Phyllanthus maderaspatensis 4 4 P. maderaspatensis L. Fosberg 1978a 4 4 4 4 seed ? L. var. frazieri Fosberg distribution distribution presumed dispersal q u h rHo ,«H b ird s •H Oa >>O h O « s v a §• •2 $f O 4 i 1 * 3 S ? 5 (4 (0 endemic taxa < < Cosmoledo presumed affinity re feren ce propagule g c

< as a: m ex te rn a l

200. Phyllanthus mckenzei Fosberg ♦ 4 F. maderaspatensis L. Fosberg 1978a 4 4 4 4 ->eed ?

203. Obetia ficifolia Gaud. 4 0. morifolia Baker Baker 1883 4 achene ? 20k. Ficus avi-avi Bl. 4 4 4 4 4 F. nitida Roxb. Baker 1877 4 f ig ♦ 205. Ficus nautarum Baker 4 4 4 4 4 F. obtusifolia Roxb. Baker 1877 4 f ig ♦ 207. M aillardia pendula Fosberg 4 M. spp. (Madagascar) Fosberg 197k 4 drupe ?

211. Hederorkis seychellensis Bosser 4 4 Polystachya spp. Bosser 1976 4 4 seed ♦

215. Asparagus umbellulatus Bresler 4 4 4 A. spp. (A frica) Baker 1875 4 b erry ♦

217. Lo’iiatophyllum aldabrense Marais 4 4 4 ♦ L. purpureum Lam. Marais 1974 4 berry ♦

222. Pandanus aldabraensis St. John 4 P. pervilleanus Kurz St. John 1974 4 phalange

225. Bulbostylis basalis Fosberg 4 relationship uncertain Fosberg 1977a 4 4 achene ?

228. Cyperus bigibbosus Fosberg 4 C. c a rtila g in e u e K. Schura. Fosberg 1977a achene ?

247. Eragrostis decumbens Renv. 4 E. ciliaris (L.) R. Br. Renvoize 1971b 4 c a ry o p sis

248. Eragrostis subaequ iglumis Renv. 4 4 4 4 4 E. te n e lla (L .) Roem. & Renvoize 1971b 4 c a ry o p sis S c h u lt.

253. Panicum aldabrense Renv. 4 P. assumptionis Stapf Renvoize 1971b 4 s p ik e le t ?

254. Panicum assumptionis Stapf 4 P. pinifolium Chiov. Hemsley et a l. 4 s p ik e le t ? 1919

260. Sporobolus aldabrensis Renv. 4 S. piliferus (Trin.) Renvoize 1971b 4 seed Kunth

261. Sporobolus testudinum Renv. 4 S. piliferus (Trin.) Renvoi z.e 1971b 4 seed Kunth

263. Stenotaphrum clavigerura Stapf 4 4 S. oostachya Baker Hemsley et a d . 4 s p ik e le t ♦ 1919 APPENDII 1 . A LIST OF PLANT SPECIES (ARRANGED ALPHABETICALLY) F SURROUNDING HEATH LIGHT TRAPS AT LOCALITIES CM ALDABRA ATOLL Trap 1. Research Station, West Island:

Tree and Arub species: Ipoaooa aacrantha Peaphis acidula Appendix 1 and tables 1-8 of paper entitled Herb species: Achyranthes aspera Portulaca oleracea

Trap 2. Research Station, West Island: A twelve month study of insect abundance and composition at various localities on Aldabra Atoll and species: Acalypha claoxyloides Allophyllus aldabricus

By Dawn W. Frith Azina tetracantha Dichrostachys microcephala Dracaena reflexa Euphorbia p yrifolia Ipomoea aacrantha Maytenus senegalensis in Phil. Trans. R. Soc, Lond. B, vo1. 286 Ochna c ilia ta Peaphis acidula Polysphaeria aultiflora Preana obtu sifolia Herb species: Achyranthes aspera Cyperus obtusiflorus Dactylocteniua pilosua Euphorbia hlrta Loaatophyllua aldabrense Passiflora suberosa

Anse Mala, South Island:

Tree and shrub species: Allophylus aldabricus Acalypha claoxyloides Aziaa tetracantha Casuarina eq u isetifolia Clerodendrua glabjua Cocos nucifera Colubrlna asiatica Euphorbia p yrlfolia Ficus reflexa Flacourtis ranontchli Quettarda speciosa Ipoaoea nacrantha Maytezras senegalensls I. pes-caprae Mystroxylon aethlopicua Paapalun raginatua Peaphls acldula Paaaiflora aaberoaa

Polysphaerla aultlflora Mlddla Caap, East Channel, Kiddie Islands Secaaone fryerl Tree and shrub species: Acalypha claoxyloides Sideroxylon inerae Brugulera gyanorrhlsa Tournefortla argentea Canthlua blbracteatna Tricalysia sonderana Casuarln*. eq n lsetlfolla Temonla grandls Cerlops tagal Herb species: Cyperus llg u la rls Euphorbia pyrlfola Jasalnua elegans Ficus reflexa Loaatophyllua aldabrense Pandemia tectorlus Passiflora suberosa Paaphls acldula Stachytarpheta jaaalcensis Phvllanthua castlcua Glonnet, Middle Island : Polysphaerla aultiflora Tree and shrub species: Acalypha claoxyloides Rhlsophora aucronata Allophylus aldabrlcus Scaevola taccada Azlaa tetracantha Slderoxylon lnerae Casuarlna eq u isetlfolia Surlana aarltlaa Colubrlna aslatlca Tarenna trlchantha Dracaena reflexa Herb species: Cappant; cartllaglnea Erthyroxylon acranthum Cleoae atrlgosa Euphorbia p yrlfolla Ipoaoea aacrantha Ficus nantarun Lepturus repena Majtenus senegalensls Loaatophyllua aldabrense Moringa oleifera Pleurostelaa cernuaa Mystroxylon aethiopicun Sclerodactylon aacrostachyua Pemphls acidula H e Michel: Polysphaeria aultiflora Tree and shrub species: Acalypha claoxyIcicles Phyllanthus casticum illophrlua aldabrlcus Scaevola taccada Casuarlna eou lsetifolla Suriana naritlaa Cocos nuclfera Tanarlndus indica Colubrlna aslatlca Herb species: Abrus precatorlus Erythroxylon acranthua Abutllon angulatum Ficus nantarua Cassia occidental!s F. reflexa Grewla aldabrengla Mystroxylon aethloplcua Ochna c illa ta Phyllanthus castlcum C. obtuslflorua Sideroxylon inarme Kragrostis subaequiglumis Terminalia bolvlnii Euphorbia prostrata Herb species: Daknopholis b oivin ii RtqI tuI us alsinoidea Eregrostis gubaeqniiglumis Flabristrlis ferruginea Ipoaoea macrantha F. obtusifolia Plumbago aphylla JasBiniuB elegans Oldenlandla corymbose Takamaka (old camp) . South Island: Phyllanthus maderaspatensi s Tree and shrub species: Allophylus aldabricus Portulaca mauritlana Apodytes dimidiata Sarcostemma ylminale Bakerella clavata Sporobolus yirginicus Calliandra alternans StenotaphruB clarigerum Canthium bibracteatua Tephrosia pumila Dracaena reflexa Cinq Cases (lagoon side), South Island : Eugenia co tin ifo lia Tree and shrub species: Avicennia marina Euphorbia p yrifolia Rhitophora mucronata Ficus avl-arl F. nautarum F. reflexa Flacourtia raaontchii Grewia aldabrensis Quettarda speciosa Ludia maurltanla Maytenus senegalensis Ochna c llia ta Pandanus aldabrensis P. tectorius Marearitaria cheloniphorbe Polysphaerla aultlflora Preana ob tu sifolia Scaevola taccada Secaaone fryeri Sideroxyion Inerae Tarenna trichantha Terminalia bolvinii Trialnolepis fryeri Tricalysia sonderana Herb species: Acrostichum aureum Cyperus lig u laria TABLE 1 MEAN CATCH PER NIGHT OF PREDOMINANT INSECT TAXA CAHOOT IN A HEATH LIGHT TRAP ( 1 ) OK WEST ISLAND. AIDABRA ATOLL

Insect taxa S ept. O ct. Nov. Dec. Ja n . Feb. Mar. Apr. Kay June July Aug. T o ta l Percentage of total catch Lepidoptere 5U.1 78.7 io a i .5 1U8U.0 1637.3 U6U.5 1U21.3 775.3 297.3 302.0 158.3 162.0 U91.U 6ii.li (18 species excluding ) 1.U 3.1 U8.0 77.5 133.7 35.7 116.3 35.0 8.9 15.7 7 .0 5-7 Geometridae (13 species) 0.7 1.6 1U.5 5 .0 33.0 35.3 10.0 13.0 3 .5 7.0 9 .0 9.3 Arctiidae (6 species) 17.6 7.3 55.5 2U5.0 259.3 U8.0 1U6.3 106.3 56.5 69.0 37.7 6.7 Ei l e rca a l d a b re n s is 13.9 2.3 18.0 33.0 103.0 7.8 9 .3 6 .0 2.8 U.7 3.3 1U.0 Rhodogastrla aldabrensis 1.3 0.7 2.5 8.5 U2.7 3U.5 130.7 50.7 25.6 30.3 31.7 23.7 hVctuidae specie'sT 7-3 7.U 1*9.5 96.5 212.7 107.3 11U.0 73.7 56.1 28.0 2U.0 17.3 Amvna octo 1.3 0.6 U.5 2.5 3 .0 1.3 8.3 1.3 0 .6 0 .3 3 .0 1 .0 Xcnaea vlolaceofascia O.U 2.0 10.5 23.7 12.8 2 .0 0.3 12.0 1.3 0.8 1 .0 fcrlcela Inangulata 0.7 1.U 9 .0 15.0 39.3 12.0 2.3 15.7 22.0 1 .0 - 1.0 tortrlcidae Tai least 10 species) (at least 2 species) 27.1 59.2 869.5 1055.0 996.9 237.2 1022.U 5U6.3 171.5 182.0 80.6 63.0 Pyr&lidae-Phycitinae (at least 10 species) Others (7 species) - 0.1 U-5 5 .0 1 .7 1.0 12.3 1.0 0.8 0.3 -- H em iptera 2.1 0.5 132.5 656.0 30U-0 116.0 76.7 111.3 23-5 5U.o 18.0 19.0 83.3 10.9 Cixiidae (2 species) - 0.1 --- 3-5 8.3 3.7 1.3 2U.0 1 .0 U.3 Ricaniidae (h species) _ 0.1 _ -- 1.U 0 .8 1.3 0.1 2.0 0.3 1 .0 Flatidae : Chaetoraanis madagascariensis _ 0.1 0 .5 1 .0 0 .7 3.5 2.7 2.3 0 .6 U.o - 0 .3 Cicadellidae (li species} 0 .6 0.1 - - 2 .7 1.0 9.3 32.3 3.5 11.3 U.7 s .a Miridae 2 .0 2U.3 7.5 U.7 0.3 1.7 lygaeidae (5 species) 0 .6 120.5 62U.5 253.3 105.0 52.6 38.7 9.3 3.7 10.0 1.3 Lethaeus stellatus 0 .6 - 9U.0 25U.O 21U.0 9.5 70.3 33.0 U.3 3.7 6.7 1.3 Dleuches sp. _ - 26.5 370.5 37.3 70.3 11.7 5.3 5 .0 - 3.3 - Pentatomidae (3 species) 0.1 0.1 U.5 17.5 136.0 0.8 1 .0 2.0 1.1 U.3 1 .0 0.7 Aerosternum nr. heegeri 0.1 0.1 U.o 17.5 36.0 0.8 1 .0 2 .0 1 .0 U.O 1 .0 0.7 0ther8~C& sp e c ie s} C 8 - 10.0 13.0 11.3 0.8 - 6.7 0.1 - 0.7 1 .3 C o le o p te ra 0 .3 O.li 281.0 150.5 337.3 5U.8 20.7 51 -0 5 .5 2.0 3.3 2.7 Carabidae (7 species) _ - 109.5 37.0 18.7 23.0 5.7 10.3 2.0 0.3 - - U9.6 6.5 Myriochile melancholica perpljaxa _ - 25.5 27.5 15.7 23.0 U.3 U.7 2.0 0.3 - - Aulocoryssus aciculatus pavoninus - - 82.5 5 .0 1 .0 - 1.3 U.o - - - Dytiscidae TpTci7 S T ------_ • - 0 .5 - - rfydrophilidae (3 species) __ _ U.o 36.0 1U.0 0.3 6 0 0.3 -- - Berosus sp. .. - - U.o 36.0 12.5 0.3 6.3 -- -- Staphylinidae (2 species) _ • - 3 .0 260.7 - - 9.0 1.5 — 0.3 Carpelimus sp. _-- - 255.7 - Scarabaeidae : Phaeocrous inguiarig _ - 6U.5 16.0 - - Elateridae (5 specie si 0.2 0.2 2.5 7 .0 5 .o 1.0 1 .6 5.7 1.0 0.7 1.3 0.8 Oedemeridae (3 species) _ 0.1 102.0 81.0 13.3 13.7 5.8 6.3 0.3 - - 1 .0 Ananca aldabrana _ 0.1 102.0 81.0 11.0 13.5 5-7 6.3 0.3 --- Ceraiibycidae^T species) 0.1 - 1 .0 0 .5 - - 0 .3 - -- - - C hrysom elidae (U s p e c ie s ) _- - - 2 .3 2.0 7 .0 13.0 0.3 - 1.0 - Curoulionidae (2 species) _ - - 0 .5 0 .3 0.3 _- 0.3 - - - Others (6 species) - - 1.5 o .5 0 .7 0.8 - o.U - 1 .0 1.0 0 .6 D ip te ra 2.7 1U.6 1.0 0.5 273.7 2U.3 70.7 157.7 92.U 26.3 172.3 73.7 6 8 .U 8 .9 - - Tipulidae (ii species) — 0 .3 - -- 0.8 5.3 0.1 1.3 1.0 Culicidae (unsorted) 0.7 0.6 _- U8.7 6.3 7 .3 2 .0 2.1 3.3 2.0 1 .0 Chironomidae (un sorted) _ __ 158.3 3.0 13.3 1U0.0 3.1 1.6 - - Tethinidae (at least 3 species) 0.1 7.7 -- 58.7 10.U 399.1 2 .0 63.3 10.0 1U6.7 6U.U Ceratoposonidae (2 species) _ 0.1 _ - - 0.3 __ o.U 1.3 3.3 - Others (31 species) 1.9 U.9 1 .0 0.5 8 .0 U.5 5.7 13.7 23.3 8.8 19.3 8 .a 9.1 Hymenoptera o .a 1.3 62.0 1012.5 186.3 8.3 98.0 65.7 3.6 6.3 2.7 5 .0 69.1 Formicidae (9 species) 0.1 1.2 61.5 1010.0 180.0 5.3 92.0 56.7 1.3 2.7 1.7 3.7 Ichneumonidae (li species) 0.3 - 0.7 2.5 2.7 3.0 5.0 2.0 1.3 2 .0 1.0 0 .3 Others (li species) 0.1 - - 3 .6 — 1 .0 7 .0 1.0 1.6 - 1.3 Other orders s Odonata, Dictyoptera, a&bioptera, Orthoptera, Neuroptera 0.7 - o .5 0 .5 0 .7 2.0 3 .0 2.0 0.8 1.0 1 .0 2.7 265.0 Mean catch per night of 60.7 95.7 1518.5 330U.0 2739.0 1689.8 1688.0 1163.0 U23.0 391.7 355.7 762.7 Number of trapping nights 7 7 2 2 3 U 3 3 8 3 3 3 U8

Monthly rainfall in millimetres 8 6 91 200 22ii 12 112 165 129 100 152 76 TABLE 2. MEAN CATCH PEP. NIQHT OF PREDOMINANT INSECT TAIA CAUGHT IN A HEATH LIGHT TRAP ( 2 ) ON WEST ISLAND, AIDABRA ATOLL. Percentage of Inooct taxa S«pt. O ct. Not. Dec. Jan . Fab. Mar. Apr. May June July Aug. T otal total catch

Lepidoptera 302.6 269.9 2U81.5 U535.0 101U.2 1U15.3 2901.6 1886.0 1089.0 358.0 289.7 220.1 97U.6 65.0 Pyralidae (30 species excluding Phycitinae) 16.7 12.3 203.0 U56.5 109.2 299.0 266.0 115.3 U8.1 7 .3 18.7 15.U Geoaetridae (18 species) 8 .3 8.3 29.5 25.0 52.2 7U-3 37.0 120.3 30.3 25.3 26.7 20.9 Arctiidae (6 species) U8.7 16.7 50.0 103.5 233.6 123.0 161.3 112.3 118.2 U5.7 U7.7 U1.2 Eileaa aldabrensls 28.9 3.9 30.0 51.0 105.6 18.3 52.3 51.7 32.5 55.3 11.0 19.8 Rhodogastria aldabrengis U.3 6.3 U.5 32.0 22 .U 96.3 101.3 29.0 67 .U 26.3 31.0 15.8 N oc tul d ae (I16 species! 1U.9 17.U 1U1 .0 U85.0 102.0 19U.3 13U.7 10U.7 69.0 33.0 33.3 17.5 Arena octo 1 .0 1.U 10.5 o .5 1.1* - 3 .3 0.8 0 .5 0.7 2.8 - Achaea violaceofascia O.U 0 .6 1.5 21 .5 9.2 U0.3 5 .0 2.3 21.0 0.7 1.8 o.U Ericela inanmlata 1.1 1.9 10.5 32.5 9 .6 11.3 2.3 12.7 11.5 0.7 0.3 0.8 Tortricidae vat Yeast 10 species) Tineidae (at least 2 species) 213.9 21U.9 202U.5 3UU8.0 509 .U 711.7 2292.0 1U31.7 821.0 2U6.7 162.7 125.0 Pyralidae-Phycitinae (at least 10 species) - Others (6) species) 0.1 0 .3 33.5 17.0 7 .8 13.0 11.3 1.7 2.U - 0.6 0.1 10.7 10.3 53.0 2623.5 82U.8 52U.3 532.3 1120.7 375.1 70.7 63.3 33.o 355.2 23.7 Cixiidae (2 species) 0.1 1 .0 0 .5 - 0.2 18.6 107.0 15.7 13.9 6 .0 1U.7 U.1 Ricanlidae (h species) - _ 0 .5 - 1 .0 0.7 5 .7 5.7 2 .0 0.3 1.7 o.U Flatidae : Chaetormanis nadagascariensis o.U 3.U 0 .5 1 .0 1 .0 18.6 U9.7 22.6 3U.6 17.3 7.0 6.0 Cicadellidae ( 7 species) _ 0 .6 _ - 1 .0 250.7 UU.3 968.0 281.1 33.8 28.5 12.8 Hirldae (2 species) 0 .3 _--- 1 .0 U8.U 17.6 2.3 1.7 6.1 Lygaeidae (3 species) 3.3 U.6 U9.5 255U.0 793.0 231.7 321.3 56.0 21.0 9.7 9.7 2.0 Lethaeus stellatus 2 .6 1.3 26.5 303.0 3U2.0 35.0 156.3 U2.0 12.3 7 .0 U.7 1.U blenches sp. 7 3.1 21.0 2251.0 550.8 196.7 165.0 1U.0 8.8 2.7 5.0 0.6 Peniaiomidae (2 species) 0.1 0.1 11.5 35.5 2U.U U.o 2.0 2 .0 1.8 1.3 - 0.9 Aerosternum nr. heegeri 0.1 0.1 1 .5 35.0 2U.U U.o 2 .0 2 .0 1.8 1.3 Other3~(T "specie's) 6.8 0.3 0 .5 33.0 U.2 1.3 2.3 3.1 0 .3 - 0.7 C o le o p te ra 2.0 1.U 177.5 U56.0 117.2 1U5.7 122.3 81.3 uu.u 11.0 11.3 7.7 61.2 U.1 Carabidae (10 species) -- 58.5 28.0 13.0 9.0 U.o 10.3 3.U 1.0 - 0.7 M yrlochile melancholoica perplexa -- 3.0 15.5 U.2 3.3 U.o 8.0 2.6 0.3 - 0.2 AuTocoryssus aciculatus pavoninus -- 5U.5 12.5 u .u 0.3 - 1 .3 ---- DytTscidae 7*2 speciesT“ _— — o.U — — ——— — — Hydrophilidae (U species) _ - - 21.5 57.0 50.0 0.3 9.1 6.3 1.3 - 3.0 Berosus sp. - - - 21.5 57.0 U2.0 - U.3 6.0 1 .0 - 1.0 Staphylinidae (2 species) _-_- 0.2 - - 7.7 ---- Scarabaeidae (2 species) _ - 70.0 18.0 1.6 ------P>meocrous insular i s _ • 68.0 16.5 1.6 ------Elateridae (T species) 1.2 0.1 1.0 1U.5 5.2 U.3 10.0 10.3 6.U 2.7 2.7 0.5 Oedemeridae (3 species) 0.1 0.1 U3.0 335.0 31.8 20.3 16.7 6.3 2.3 U.o 3.3 3.0 Ananca aldabrana 0.1 - U2.5 335.0 31.8 19.7 16.3 6.3 2.3 U.o 3.3 3.0 Cerambycidae (jT sp e c ie s ) o.U 0.7 0.5 1 .0 - 0.3 2.0 3-3 1 .0 0.7 1 .0 0.1 Chrysomelidae (3 species) _ - 3.0 27.5 7.2 61.8 87.0 29.U 23.6 --- Curoulionidae (: Cratopus viridisparsus) 0.1 0.2 o.5 - 0.2 - 3.0 3.3 0.8 0.3 0.3 o.U Others (7 specie sT~ 0.1 0.1 1 .0 10.5 0.6 - 0 .3 2.3 O.U 1.0 U.o - D ip te ra u .u 5.1 _ 3.5 1 .u 3.7 U5.7 59.7 1U8.0 18.7 U5-7 20.3 35.5 2.U Tipulidae (5> species) 0.1 _ _-- 0 .3 - 0.1 1.7 2.0 1.2 Culicidae (unsorted) __ -- 2.3 5.3 1.8 - 2.0 - Chirononidae (unsorted) __ _ - - 26.7 - 1.0 3.3 0.9 Tethinidae (at least 3 species) • _ _ -- 1U.8 U.o 55.8 1.3 8.3 5.7 Ceratopogonidae (1 species) _ mm _ . _ - - U.o 12.0 - 0.7 2.0 Others (U1 species) U.8 7.1 - 3.5 1.U 3.7 2.U 19.7 77.7 1U.7 28.8 9.5 Hyxnenoptera 9.6 5.1 862.5 370.5 112.0 1U.7 23.3 97.3 12.3 7.0 U.7 7.6 66.8 U.5 Formicidae (10 species) 9.6 U.7 862.0 367.5 110.0 12.7 1U.0 I4U.7 3.9 5.7 1.0 o.U Ichneumonidae (3 species) 0.1 0 .5 3.0 1 .0 0.7 5.3 1.3 1.6 - 0.7 0.1 Others (3 species) 0.3 0.3 - 1.0 1.3 U.o 51.3 6.8 1.3 3.0 1.2 Other orders: Odonata. Dictyoptera, Orthoptera, lieuroptera 2.9 1.3 2.0 5 .0 1.6 5.7 10.0 16.7 u .u U.3 2.7 1.6 3.9 0 .3 Hear catch per night of insects 331.7 293.3 3576.5 7993.5 2071.2 2109.3 3635.3 3261.7 1673.1 U69.7 U17.7 290.3 1U97.1 Numb ar of trapping nights 7 7 2 2 5 3 3 3 8 3 3 10 56 TABLfc 3. KEAN CATCH PER SIGHT OF PREDOMINANT INSECT TAXA CAU(HT H i A HEATH TRAP AT ANSE H A IS , SOUTH ISLAND. AIDABRA ATOLL. Percentage of Mar. Apr. Hay June July Aug. Total total catch Insect taxa Sept. Oct. No t . Dec. Jan. Feb. 1*72.0 927.5 5275.0 3261.5 lit 38.8 1530.5 21*66.3 51*0.3 U78.3 22UU.5 178.0 7U1.9 15U7.U 79.2 31.8 22.3 73.5 6 .3 58.8 Pyralidae (excluding Phycitinae) 1.5 20.0 52.5 213.5 128.5 23.0 32.3 71.0 3.7 36.3 A rctlidae U5.0 12.0 37.5 83.0 178.0 81*.5 63.3 19.0 1.5 5 .0 31 .5 37.0 13.5 21.3 7.8 0 .3 19.7 *• 13.8 Eilema axdabren sis 8.8 U.8 U.7 18.3 3.7 7.3 RhodopasVria ^-dabrensls U.o 2.5 1.5 5 .5 5.3 10.5 m • It.3 - - 0 .6 • Noctuidae : Aavna oeto • 9 .0 0.5 : Achaea Violaceofascia 1 .0 1 .0 3.5 69.5 1.5 0 .5 9.3 1.3 7 .0 18.3 * 9.8 * Inahgulata 5 .0 lt.5 21.0 U3.5 113.3 l»D.O U.8 22.7 Tortrlcldae "l 3000.0 595.0 2150.0 1*1*3.7 387.7 2011.3 158.3 602.8 Tineidae h UOO.O 875.5 5019.5 9U5.5 Pyralidae-Phycitinae J Gecaetridae 1 1*1.8 36.0 88.7 9.7 UU.O Noctuidae r 25.0 38.5 218.0 158.5 262.7 237.5 12l*.5 Others J 33it.O 98.5 106.3 252.0 18.3 63.0 127.5 6 .5 Hemiptera 11.0 9 6.0 123.5 93.0 232.5 _ 1 .0 0 .5 2.5 3 .0 2.3 0 .8 - R lcanlldae 7 .0 h.S Flatld^e : Chaetom enls madagascarl ensls o .5 6 .0 30.0 16.0 279.5 9U.8 57.8 7U.3 9U.3 12lt.O 21.0 9.7 125.5 3.3 17.5 Lygasidae (mostly LetSaeus stellatus - 10.0 80.5 91.5 68.5 U9.5 and Dieuches sp.") U.O 3.3 3 .0 Pentatomidae (mostly Acrosternum nr.heeeeri) - o.5 7 .0 0.5 8.5 3.5 3.3 9 .3 13.5 C ixlidae - 1 .0 12.7 10.7 17.9 U.7 38.0 Cicadellldae 2.5 0 .5 7.9 Miridas Others 9.9 5.o 651.5 73U.5 U72.0 506.5 132.8 38.2 28.3 50.3 9 .3 21.5 193.3 Coleoptera 27.8 15.3 2.5 Carabidae i Myriochlle melancholics perplexa 1 .0 10.5 1U-8 5 .0 16.3 20.7 -- - t Aulocorvs_su8 acicula tu s p>avonTnus 53.0 26.0 9 .0 0.3 - _ - 2 .0 - - * Scarabaeidae t frhaeocrous insolarts 5.5 3.5 2.5 3 .0 6 .5 5.3 3 .0 U.8 3 .0 2.7 3 .0 0 .3 S laterId as 9U.8 - 1 .0 • 0.8 Oedemeridae : Ananca aldabrana 1.5 593.0 691.0 U25.8 U96.5 1.3 _ 0 .3 0 .5 2.3 - 0 .7 0.3 0.8 Cerasbycidae - 2 .0 o .5 Curcullonldae : Cratopus viridisparsus -- - 0 .5 0.3 1.5 0.3 Hydrophllidae (mostly Berosus sp. “ - 10.8 3.8 2.2 3.3 9 .0 17.1 Chyr somelidae - 1 .0 1 .5 - 11.0 Others '‘I U8.8 21.3 6 9 .U U7.2 2 .It 39.0 25 >o 1 .5 - 2.3 21.0 138.3 39.8 86.7 Diptera 89.5 26.5 21.3 26.8 10.3 8.3 Culcidae 39.0 23.5 Tlpulidae Chironomldae • 21.0 U8.8 13.3 6 5 .U 22.0 11.0 61.1 Tethlnidae 1.5 1.5 2.3 Ceratopo gonidae Others 3.8 0.8 29.1 1.5 1 .0 38.5 17.0 1U.0 1U8.8 17.0 39.3 13.0 0.3 0.7 Hymenoptera 1U8.0 13.0 38.8 13.0 - 7.5 0.3 Formicidae 38.0 17.0 1U.0 _ _ 0 .5 0 .5 1.0 - 0.3 0.3 • 0 .5 Ichneumonidae - — 1 .0 0 .7 Others 1 .0 0 .5 - - 0.3 3 .5 5.0 8 .7 6.3 0.3 3 .0 10.U 0.5 Other orders : Odonata. Dictyoptera, Orthoptera, - 2 .0 8 .0 11.0 10.3 56.5 21.1 Neuroptera s O CM CM 3030.8 73U.8 708.6 2610.5 899.6 1955.0 Mean catch per night of Insects 512.0 1009.0 6QU9.0 U1UU.5 2165.2 2U65.5 u U 3 U U 35 Number of trapping nights 1 2 2 2 U 2 ISLAN D , AIDABRA ATOLL TAfeLfc k. KEAN CATCH PER NIGHT OP PREDOMINANT If-SECT TAIA CAUGHT IN A HEATH LIGHT TRAP AT GIQMNET, Percentage of Mar. Apr. May June July Aug. Total total catch Insect tax* Sept. Oct. No t . Dec. Jan. Feb. 109U.0 153.0 9.0 97.5 968.0 80.6 Lepldoptera 563.0 85U.O 1U.0 1965.0 2871.5 366.0 206.5 2U50.5 - 31.0 10.0 U.O - - Pyralidae (excluding Phycitlnae) 1.0 3.0 68.0 U7.0 16.0 11.5 20.0 16.0 1.0 303.0 182.5 18.0 7.0 65.5 36.5 6.5 1.0 7.5 A rctildae - 3.0 3.0 U.5 1.0 1U.0 108.0 6.0 1.0 51.5 28.5 3.5 Ellen* aldabrcnala 5.0 2.0 1.0 1.5 RKodogaatria' aldaErenaia 17.0 U.5 - u.5 12.0 7.0 U.5 6.5 2.C • 2.0 1.0 - 1.0 Noctuidae j Aaqrna octo 2.0 - 1.0 • : Ach*ea v io laceofaacla 2.5 u.o sis 219.0 3.5 1.5 1.0 7.0 1.0 - 2.5 * Erlcei* inangulata - 6.0 - 280.0 62.5 5.0 2.5 Tortricidae 50.0 15U.0 2087.0 960.0 120.5 6.0 57.0 Tlneidae V 513.0 802.5 U.o 1250.0 22U1.0 Pyralidae-Phycitinae J Geoaetridae 1 U01.0 282.0 3U.0 267.0 87.5 22.0 2.0 33.0 Noctuidae [ U9.0 35.5 6.0 327.0 Others J 13.0 72.1 6.0 1.0 6.0 6.0 U7.0 U78.5 17.0 ; i .o 62.0 39.5 17.0 5.0 Healptera 1.0 2.0 0.5 -• - o.5 - 1.0 U.o 3.5 5 R lcanlida* 2.0 U.5 1.0 1.5 Flatida. t Chaetoraenla aadagaacarlenals • - 11.0 - 3.0 3.5 1.5 22.0 9.5 2.0 8.5 Lygaeidae (aostly Lethaeus ateillatus 1.0 U.5 U.o 33.0 U26.0 13.0 5U.5 33.5 and Dleuches apT) - 0.5 -- Pentatoaidae (mostly Acroaternua nr.heegeri) - 1.0 2.0 2.0 51.5 - 1.0 - C lxlldae 1.0 2.0 o.5 1.5 2.0 1.0 Clcadellldae 1.0 0.5 3.5 Mlridae Others 169.0 7.0 17.0 29.0 16.5 5.5 2 .0 22.0 62.9 5.2 Coleoptera 1 .0 3.5 U2.0 393.5 _ 2 .0 5.5 - - - Carabidae t Hyrlochlle aelanchollca perplexa 2 .0 8 .0 2.5 - 2.5 -- 3.0 - 0.5 : Aulocorryaaua aclculatua pavonlirua _ 1 .0 -- - • - - 303.0 - 1 .0 - --- - Staphylinidae (mostly Carpeliaus ap.) • m *—- ~ Scarabaeldae : Phaeocroua Insularla 22.0 -- - 1 .0 5 .0 6 .0 0 .5 - 1 .0 6 .0 3 .0 0.5 - 1.5 E lateridae 7.0 1.0 11.5 o.5 0.5 - 6 .5 Oedeneridae : Ananca aldabrana 1.5 150.0 83.5 - 2 .0 1 .0 - o.5 1 .0 2 .0 - - 1 .0 Ceraabycidae 3 .0 1.0 - - 2.0 2.5 Curculionldae : Cratopus viridlsparsus - - - 2 .0 - • Hydrophllldae (aoetly Berosua sp.) "I 7 .0 5.5 1.5 - 10.0 Chyraoaelidae h 1 .0 1 .0 12.0 1 .0 3 .0 - 8.5 Others -J 2 .0 9.0 22.5 U.o 2.5 1 .0 U.o 1 .0 5.5 o.5 Dlptera 17.0 2 .0 1 .0 U.o 1 .0 ** Culcidae 12.0 1.5 * T ipulidae Chironoaldae 2 .0 9 .0 21.5 U.o 2.5 1.0 U.o 1 .0 Tethlnidae 5.o o.5 1 .0 U.o Ceratopo gonid ae Others - 1.0 0.5 91.2 7.6 6.0 5.0 1500.0 36.0 1.5 130.0 5.5 10.5 6.5 Hyaenoptera - 1.0 0.5 6.0 1500.0 3U.0 - 130.0 5.5 9.0 6.0 Foraicidae 1.0 0.5 - - - Ichneuaonddae 1.0 - 2.0 1.5 - - • - o.5 - - ” Others - U.o -- 0.1 2.0 2.0 3.0 - - 1.5 1.3 Other orders : Odonata,Dlctyoptera,Orthopters.» 1.0 o.5 - - 1.5 2.5 Neuroptera 1201.0 - 37U8.0 531.0 28U.5 2558.5 1162.0 176.5 21 .0 135.5 Mean catch per night of insects 609.0 871.0 1563.0 2221.0 1 2 2 2 2 1 2 19 Nuaber of trapping n ights 1 2 1 1 2 TABLE 5* MEAN CATCH PER NIGHT OF PREDOMINANT INSECT TAXA CAUGHT s A HEATH LIGHT TRAP AT MIDDLE CAMP, KIDDLE ISLAND, ALDABRA ATOLL. Percentage of a V a •f' ^ A A ^ A ^ 1 a a A m Insect taxa Nov. Jan. Mar. Apr. June Aug. Total total catch

jp id o p te ra 639 0 301 8 .0 3613.0 1533.0 1826.3 332.5 1925.7 92.7 1'yralidae (excluding Phycitinae) , . 0 126.3 99.0 1a2 . 0 22.3 1.5 A rc tiid a e 1 2 .0 1U5.3 29.0 75.0 1a0.7 20.5 Eilema aldabrensis 6.0 1 5 .0 _ 11.0 22.3 1.5 Rhodogastria aldabrensis - 2 2 .0 9 .0 11.0 5.7 1a.5 _ Octuidae : Amyna octo 1a. 3 : Achaea violacefascia - 13li.O U.3 3 .0 37.7 3 .0 : Ericeia inangulata 6.0 1 1 .3 20.0 53.0 7.7 1U.5 Tortricidae j Tineidae r 7 7 0 .0 2 5 2 0 .U 3311.0 1302.0 1565.8 293.0 Pyralidae-Phycitinae J Geometridae "1 N octuidae h US.o 2 2 6 .0 17U.0 116.0 197.7 17.0 O th ers J

1a0 . 2 2.0 H em iptera 8.0 9U.0 36.0 2 1 a . 0 26.6 5 .0 R ic a n iid a e 1.0 1.0 2.0 2.7 Flatidae : Chaetormenis madagascariensis 0.3 2 .0 6 .0 1.3 1.0 lygaeidae (mostly Lethaeus stellatus 6.0 87.0 25.0 13.0 11.0 1.5 and Dieuches sp«l Pentatomidae (mostly Aerosternum nr.heegerl) 2.0 6.3 1 * . 0 3.0 3.3 1.0 C ix iid a e Cicadellidae . U.o - 8.3 1.5 M irid ae O th ers

C o le o p te ra 12.0 U8.7 1 2 8 . 0 21a. 0 1 8 .3 2 .0 31 .0 1 .5 Carabidae : Myriochile melancholica perplex 3.3 1 0 .0 6 .0 3 .3 - Staphylinidae 1 .0 - - Scarabaeidae s Phaeocrous insularis 6.0 _ E la te rid a e 5 .0 1 .3 Oedemeridae s Ananca aldabrana 6 .0 U l i .7 9 6 .0 1 3 .0 1 .7 0 .3 Cerambycidae _ 1 .0 _ - Curculionidae : Cr at opus v irid i spar su s 0 .7 2 .0 1a . 0 3 .0 1 .7 ftydrophilidae (mostly Berosus spO T Chrysomelidae r 1a . 0 - - - O th e rs -I

5o . o 7 2 .8 D ip te ra 2 .0 3.3 11a .O 1 3 .0 220.6 3 .5 C u lcid ae 5 .0 1 .0 1 .5 T ip u lid a e Chironomidae 2.0 3.3 11a . o 8 .0 219.6 1a8 .5 Tethinidae Ceratopogonidae O th ers 0.2 IJymenoptera 2.3 3 .0 6 . 0 Ia.7 0.5 2.9 F orm icidae 3.0 0.7 - Ichneumonidae 2.3 3 .0 3.0 1a .0 0.5

Other orders : Odonata, Orthoptera, Neuroptera 1.0 2.7 1 . 0 - 0 .7 0.5 1 . 1 0 . 1

Mean c a tc h o f in s e c ts p e r n ig h t 862.0 3169.6 3785.0 1 6 0 0 . 0 2091.2 390.5 2073.7 - Number of trapping nights 1 3 1 1 3 2 11 TABLE 6 . KEAN CATCH PER NIGHT OF PREDOMINANT INSECT TAIA CAUGHT IN A HEATH LIGHT TRAP AT H E MICHEL, ALDABRA ATOLL Percentage of Insect taxa Nov. Dec. J a n . K a r . A p r . June Aug. T o t a l t o t a l c a t c h

Lepidoptera 233.0 1029.0 23U 1 .0 288.0 185.0 116.0 56.0 606.9 27.9 Fyralidae (excluding Fhycitinae) 23.0 U1 .0 302.0 30.0 1.0 7.0 1.0 Arcriidae 3.0 7 .0 1 1 U . 0 U.o 5 .0 17.0 5 .0 Li lei:* a aldabrensis - U.o 57.0 - 3 .0 15.0 1.0 Rhodopastria aldabrensis - 1 .0 2 .0 _- 2.0 - Koctuidae : Amyna octo —- - 12.0 39.0 11.0 15.0 : Achaea violaceofascia - - 2 .0 -- 2.0 - s Ericeia inangulata 3.0 1.0 55.0 U.o 2 .0 - U.o Tortricidae 1 Tineidae V 178.0 896.0 1611.0 19U .0 132.0 55.0 25.0 iyralid as-Phyc i tinae J Geometridae Noctuldae 29.0 85.0 31U .0 60.0 U 7 .0 37.0 25.0 Others J

Hemiptera 51.0 151.0 71.0 32.0 3 .0 9.0 U.o U5 .9 2.1 Rlcaniidae -- - 2.0 - -- Flatidae s Chaetormenis mada^ascariensis -- 3.0 2 .0 3 .0 2.0 - lygaeidae (mostly Lethaeus stellatus 16.0 - 61.0 15.0 - 3.0 2 .0 and Dieuches sp.) Pentatomidae (mostly Acrosternum nr.heegeri) 35.0 15.0 7.0 1 .0 - 3 .0 2 .0 Cixiidae _ _ - Cicadellidae - 136.0 12.0 1.0 Miridae Others

Coleoptera U53.0 1110.0 570.0 63.0 10.0 15.0 10.0 318.7 1U.6 Carabidae : Myriochile melancholica perplexa - 23.0 11 .0 7 .0 U.o - - 2 Aulocoryssus aciculatus pavoninus - 6.0 Staphylinidae - 10.0 2 .0 - - - - Scarabaeidae : Fhaeocrous insularis 85.0 229.0 Elateridae U.o 5.0 10.0 U.o 3 .0 U.o 2 .0 Oedemeridae : Ananca aldabrana 358.0 7U8.0 533.0 20.0 3 .0 9 .0 8 .0 Curculionidae : Cratopus viridisparsus 1.0 1.0 1.0 - - -- Hydrophilidae (mostly Berosus sp.) "l Chrysoemlidae Y 5.0 78.0 13.0 32.0 - 2.0 - Others j

Diptera (mostly Culcidaey 70.0 659.0 3112.0 1220.0 3261.0 U.o 1 .0 1190.7 5U.7 __ Hymenoptera 18.0 7.0 31.0 5 .0 2 .0 9 .0 o.U Fermioidae 17.0 6.0 28.0 U.o - - - Ichneumonidae 1.0 1.0 3.0 1 .0 2.0

Other orders : Odonata, Isoptera, Orthoptera, Neuroptera 5.0 10.0 5 .0 6 .0 U.O 3 .0 - 5.7 0 .3

Mean catch per night of insects 830.0 2966.0 6130.0 1622.0 3U7.0 1U7.0 73.0 2176.9 - Number of trapping nights 1 1 1 1 1 1 1 7 TABLE 7 . MEAN CATCH PER NIGHT OF PREDOMINANT INSECT TAXA CAUGHT IN A HEATH LIGHT TRAP AT TAKAMAKA, SOUTH ISLAND, ALDAHRA ATOLL. Percentage of Insect taxa Dec. Jan. Mar. Apr. June Aug. T o t a l t o t a l c a t < Lepldoptera 3868.0 260.0 993.0 5U2 .0 1101.5 207.5 1035.1 U7 .0 Pyralidae (excluding Phycitinae) 2.0 - 57.0 25.0 25.0 8.0 A rctlidae 35.0 9U .0 10.0 23.0 23.5 11.0 Eilena aldabrenr4 8 32.0 - 2.0 3 .0 15.5 6.5 Rhodcgastria aldabrensis 1.0 3.0 2.0 5 .0 1.0 2.0 Noctuidae : Amyna octo U . o - 12.0 156.0 250.5 37.5 s Achaea ▼ iolaceofascia _ 162.0 1.0 15.0 11.0 2.5 s itrlceia Inangulata 2.0 91.0 6.0 15.0 5 .0 1.5 T orticidae Tineidae r 3800.0 U . o 862.0 297.0 7UU .0 1 U 0 .0 Pyralidae - Phycitinae■ ^ J Geometridae Noctuidae 31.0 162.0 6U . 0 197.0 308.5 U8.5 Others } Hemiptera 6U 1 . 0 3.0 102.0 9 .0 35.5 2.0 103.8 U .7 Flatidae : Chaetornensis nadagascariensis _ 1.0 1.0 2.0 0.5 - Lygaeidae (mostly Lethaeus stellatus 577.0 2.0 35.0 5 .0 12.0 1.5 and Dieuches sp.T Pentatomidae (n o stly Aero sternum n r.heegeri) 6U . 0 - 3U .0 2.0 20.5 - C ixiidae Cicadellidae - - 32.0 - 2.5 0.5 Miridae Others Coleoptera U287.0 10.0 229.0 97.0 275.0 6.5 6U 8 .U 29.5 Carabidae s Myriochile melancholics perplexa 719.0 3 .0 62.0 62.0 5.5 - Aulocoryssus aciculatus pavoninus 19.0 - -- - - D ytiscidae 218.0 6.0 -- -- Staphylinidae (mostly Carpellaua sp.) 65U.O - 5 0 .0 1.0 255.0 2.0 Scarabaeidae s Phaeocrous insularis 3 0 .0 - -- -- E lateridae 1.0 - ---- Oedemeridae : Ananca aldabrana U36.0 1.0 85.0 3U .0 8.0 - Cerambycidae -- 2.0 - -- Curculionidae s Cratopus viridisparsus __ 2.0 -- - Hydrophilidae (mostly Berosus sp.) "1 2210.0 - 28.0 “ 7.0 U .5 Chrysomelidae k Others J Diptera (mostly Tipulidae,Culcidae,Tethinidae, - 587.0 506.0 5695.0 U3U .0 18.2 U 0 0 .1 18.2 and Ceratopogonidae) 0.6 Hymenoptera 90.0 3 .0 2.0 1.0 12.1 _ - Formlcidae 90.0 3 .0 1.5 - Ichnevunonid ae - - - - 0.5 1.0 Other orders : Odonata, Dictyoptera, Neuroptera 2.0 - 1.0 7 .0 1.0 1.0 1.8 0.1

Mean catch per night of insects 8888.0 27U.O 1912.0 116U . 0 1987.0 702.0 2201.3 - Number of trapping nights TABLE 6. MEAL CATCH PER NIGHT OF PREDOMINANT INSECT TALA CAUGHT IN A HEATH LIGHT TRAP AT CINQ CASES, SOUTH IS L A N I, AIDABAA ATOLL Percentage of Insect taxa Dec. Jan. Har. Apr. June Aug. Total total catch

Lepidoptera 19U6.0 1062.0+ 113l*.0 5 n .o 1315.0 261.0 1038.0+ 18.7 Pyralidae (excluding Phycitinae) 1*7.0 210.0 77.0 7.0 U7.0 - A rc tiid a e U.o 210.0 - 8.0 10.0 8.0 Eileir.a aldabrensis _ 21.0 -- 1.0 2.0 Rhodo^astria aldabrensis 3.0 9.0 - 3.0 6.0 6.0 N o ctuidae : Amyna o c to _- 11*8.0 177.0 327.0 U9.0 s Achaea violaceofascia _ 7.0 - 5.0 3.0 - s Ericeia inangulataLieu 1.0 180.0 - 5.0 3.0 - Tortricidae T in e id a e 181*6.0 700.0 881*. 0 309.0 900.0 195.0 Pyralidae-Phycitinae i Geometridae N octu id ae 1*9.0 106.0 173.0 187.0 358.0 58.0 O th ers f H em iptera 305.0 73.0+ 1*3.0 39.0 17.0 3.0 80.0" 1.U R ic a n iid a e 3.0 2.0 l*.o 1.0 2.0 2.0 F la tid a e 2 Chaetormensls madagascariensis 27.0 26.0 30.0 17.0 6.0 1.0 Lygaeidae )mostly Lethaeus stellatus and Dieuches sp«X 201*. 0 1*3.0 1 .0 20.0 U.o - Pentatomidae (mostly Acrostemum nr. heegeri) 71.0 2.0 - - - - C ix iid a e Cicadellidae - + 8.0 1.0 5.0 - M irid ae O th ers

C o le o p te ra 10832.0 2706.0+ 110i*.0 68.0 80.0 2U65.8+ UU.5 Carabidae : Myriochile melancholica perplexa 15.0 1015.0 13.0 50.0 3.0 ------: Aulocoryssus^ ■■■— m M mmm ■■ ■,aciculatus m » ■ r » ■■ ■ w ■ ■ i pavoninus — mmm»m ■■■» 15.0 Dyti scidae _ 6.0 - - - - Staphylinidae (mostly Carpellmus sp.) 301*6.0 ♦ 38.0 15.0 20.0 - Scarabaeidae s Phaecrous Insularla 61*. 0 -- -- - E la te r id a e 5.0 2.0 1.0 - 1.0 - Oedemeridae : Ananca aldabrensis 1*1*.0 21*.0 U.o 1.0 - - Hydrophilidae (aosily Bersosns sp Chrysomelidae 761*3.0 1659.0 10U8.0 2.0 56.0 5.o O th ers

Diptera (mostly Tipulidae, Culcidae, Tethinidae, and Ceratopogonidae) 6626.0 50.0+ 289.0 2779.0 1227.0 7U7.0 1953.o+ 35.2 _ Hymenoptera + 26.0 1U.0 6.7* 0.1 Formicidae mm + 26.0 -- - Ichneuroonidae - - - - 1U.0 -

Other orders 2 Odonata, Dictyoptera, Neuroptera1 1 .0 1.0 1.0 - - 0.5 0.1 - Mean catch per night of insects 19709.0 3892.0+ 2597.0 3398.0 2653.0 1016.0 55UU.2 Number of trapping nights 1 1 1 1 1 1 6

N ote: those figures followed by ♦ are minimal in that only the larger insects in the sample were counted The remainder consisted of 10,000*** insects* H

Tables 2-5 of paper entitled

Numbers of plant species on the islands ol Aldabra Atoll

By Sarah H. Hnatiuk

286 in P h il. Trans. R. 5oc. Lond. Lond. B, \ol Table 2. Mean number and range of plant species per island on islands of different sizes Table 2 continued

2 , log area (m )

# 3 .1 -4 .0 4 .1 -5 .0 5 .1 -6 .0 0- 2.0 2. 1- 2.5 2 .6 -3 .0

2.9 3 3.00 4 .3 3 mangroves mean 0.3 3 1.35 0.96 0-6 2-6 range 0-2 0-4 0-3 1-5

18.63 39.86 59.99 t o t a l mean 5.46 11.62 16.38 32-60 53-64 range 0-14 2-36 4-28 13-27

14 7 3 number o f is la n d s 24 26 26

# The group of islands with areas of log 2.1-3.On,2 has been divided into two to provide groups containing nearly equal numbers of islands. >3

Table 3 continued Table 3. Species with occurrence restricted to islands of certain sizes;

a bar indicates presence. log area (m2) species^ 0-2.0 2.1-3.0 3.1-4.0 4.1-5.0 5.1-6.0

log area (m2) Triainolepia africana ______species1 0-2.0 2.1-3.0 3.1-4.0 4.1-5.0 5.1-6.0 Vemonia grandis ______fe r n s Calliandra altemans ______

Acrostichum aureum ______Malleastrum leroyi ______g r a s s e s m angroves

Enteropogon sechellensis ______Xylocarpus granaturn ______

Sporobolus virginicus2 ______X. m o lu ccen sis ______

D a cty lo cten iu m c t e n o id e s ______

D. pilosum ______1. Nomenclature follows Renvoize 1971 and Wickens 1974.

Daknopholis boivinii ______, 2. Species occurs rarely on islands of sizes other than those indicated.

Paspalum vaginatum ______3. The two species listed are not distinguished from one another.

Stenotaphrum clavigerum ______

se d g e s

Cyperus dubius ______2 Fim bristylis ferruginea ______

h erb s

Sesuvium portulacastrum ______

Tephrosia pumila2 ______

Abutilon a n g u la tu m ______

Portulaca oleracea ______

Acampe p a c h y g lo ss a ______

Lomatophyllum a ld a b r e n se ______

N esogen es d u p o n tii ______

Solanum a l d a b r e n s e ______.

Angraecum eburneum ______

v in e s

Passiflora suberosa ______

c o n tin u e d Table 3 continued log area (m )

3.1-4.0 4.1-5.0 5.1-6.0 sp ecies* 0-2.0 2.1-3.0

Secamone fryeri^

Abrus precatorius

Pleurostelm a cernuum

Dioscorea bemarivensis woody p la n ts

Deeringia polysperma ------

Dicurostachys microcephala ------— ------

Dracaena r eflex a ------

Ficus nautarum ------—------— ------

Flacourtia ramontchii ------— ------—------

Jasminum elegan s ------

Maytenus senegalensis ------

Phyl lanthus casticum —_ ------.------

P ison ia grandis — ------— ------

Polysphaeria multi flora ------.— ------——■

Tarenna t r ic h a n t h a ------—------

Terminalia boivinii ------——------—------

Tricalysia sonderana . ------— ------—------

Ochna c i l i a t a ------— ---- ——

Pandanus sp. ------*------— ------2 Apodytes dimidiata ------2 Canthium bibracteaturo — ------, w 2 Clerodendrum glabrum ------

Cocos nucifera ------

Erythroxylum acranthum" ------

Premna o b tu s ifo lia ------—------

Tarenna supra-axillaris

and Coptosperma nigrescens ----- —------— continued Table 4. Change in mean frequency of occurrence of species in quadrats on islards of different

sizes. Only species occurring on 10% or more of islands studied are included.

type o f Change in frequency with increasing area p lan t d e c lin e increase variable3 none grass Dactyloctenium E ra g ro stis

c te n o id e s subaequiglumis (2)

D. pilosum

Lepturus repens

SclerodactyIon

mac ro st achy urn

Sporobolus

v ir g in ic u s

sedge Cyperus ligularis Cyperus obtusiflorus

Fimbristylis sp. (2 ,4 )

he rb Abutilon angulatum Boerhavia coccinea

Achyranthes aspera ( 2 )

Lagrezia oligomeroides Cleome strigosa (2)

Lomatophyllum Hypoestes asiatica

aldabrense ( 2 )

continued Table 4 continued

type o f change in frequency with increasing area p la n t d e c lin e increase variable 3 none

Plumbago aphylla

Portulaca oleracea

P. mauritiensis and b quadrifi-’a

Sesuvium

portulacastrum

Tephrosia pumila vin e Ipomoea macrantha Passiflora suberosa

Sarcostemma viminale (2,4) woody plant Azima tetra ca n th a Alio: hyllus Acalypha claoxyloides Pemphis acidula

Euphorbia pyrifolia a ld a b ricu s (1 ,3 ) Sideroxylon inerme

Maerua t r ip h y lla F la co u rtia Asparagus umbellulatus

Margaritaria ram ontchii ( 2 )

chelor.iphorbe Term inalia Ficus avi-avi (3)

b o iv in ii F. nautarum (3)

F. reflexa (2)

Maytenus senegalensis

(4) continued Table 4 continued

type of change in frequency with increasing area plant decline increase variable3 none

Mystroxylon aethiopicum

(4)

Phyllanthus casticum

(2 .4 )

Polysphaeria multiflora

(2.5)

Scutia myrtina (1,2,5) a. No overall trend in changing frequency is cleer. The figures in brackets refer to the log area class in

which the species occurs with greatest frequency; 1 indicates log area class 0-2; 2, log area class 2.1-

3.0; 3, log area class 3.1-4.0; 4, log area class 4.1-5.0; and 5, log area class 5.1-6.0. b. The two species listed are not distinguished from one another. Table 5. Comparison of the percentage variation in numbers of species on islands accounted for

by area and altitude in this and other studies.

% variation accounted for by: p lace model'*' area a ltitu d e source

N.W. Hawaiian islands lin e a r (sm) 6 9 .8 11.7 Amerson, 1975

Galapagos lin e a r (m) 0 .67 44.57 Hamilton et a l., 1963

II M log-log (m) 58.49 1.10

It lin e a r (s) 37.95 50.47 Johnson and Raven, 1973

II It log-log (s) 77.97 not quoted 2 Californian islands lin e a r (s) 50.39 26.41 Johnson et a l., 1968 3 •1 log-log (s) 67.78 59.57

It lin e a r (sm) 57.9 not quoted Power, 1972

II II log-log (sm) 6 8.2 not quoted

British Isles linec.r (s) 48.36 39.21 Johnson and Simberloff,

II II leg-log (s) 47.90 32.14

II ft mixed (s) 59.12 26.69

Aldabra Atoll lin e a r (sm) 44.4 16.04 Hnatiuk, this study

II II lo g -lo g (sm) 62.16 2 .10

II II mixed (sm) 69.75 9.42

continued Table 5 continued

1. Letters in parentheses indicate type of regression analysis used, thus: s = simple regression,

m = multiple regression, and sm = stepwise multiple regression.

2. and 3. Using multiple regression, it was found that the percentage variation accounted for by area

and altitude together is (2) 61.84 on the linear model and (3) 67.80 on the log-log model. Errata Acatfpe rigida for ncaor.e oachyrjoasa in H

Cyperus niveus for C, obtusifloruo in F

Cyperus niveua ^ m Gyperus niveua

Eugenia elliptica for Eugenia cotinifolia in F

Pim bristylia cyrooaa for P. obtu8ifolia in P

Hypoeatea aJ.dabrenaia for Hypoe8te8 aaiatica in H

M argaritaria anoraala f o r M, cheloniphorbe in P

M argaritaria anomala for it. cheloniphorbe in H

Hedyotis prolifera for Oldenlandia corymbose in P

Paapalum distichum for P. vaginatum in H

Paapaluin distichum fo r P. vaginatum . n P

Portulaca mauritiensis for P. quadrifida in H

Teramnus arabicu8 subsp. aldabricua for T» labiali® in W

\ [ 635 ]

INDEX TO VOLUME 286 (B)

Author index

Alexander, H. G. L. A preliminary assessment of the r61e of the terrestrial decapod crustaceans in the Aldabran , 241. Arnold, E. N. Indian Ocean giant tortoises: their and island adaptations, 127. Arnold, E. N. See also Taylor, Braithwaite, Peake & Arnold.

Bayne, B. L., Moore, M. N., Widdows, J., Livingstone, D. R. & Salkeld, P. Measurement of the responses of individuals to environmental stress and pollution: studies with bivalve molluscs, 563. Bengtsson, B.-E. Biological variables, especially skeletal deformities in fish, for monitoring marine pollution, 457. Bourn, D. See Coe, Bourn & Swingland. Bourn, D. & Coe, M. J. Features of tortoise mortality and decomposition on Aldabra, 189. Braithwaite, C. J. R. See Taylor, Braithwaite, Peake & Arnold. Bryan, G. W. Bioaccumulation of marine pollutants, 483. Burton, J. D. Physico-chemical limitations in experimental investigations, 443.

Coe, M. J. See Bourn & Coe; also Swingland & Coe. Coe, M. J., Bourn, D. & Swingland, I. R. The biomass, production and carrying capacity of giant tortoises on Aldabra, 163. Cole, H. A. Summing-up: deficiencies and future needs [Discussion on sea pollution], 625. Colhoun, E. A. & Goede, A. The late Quaternary deposits of Blakes Opening and the middle Huon Valley, Tasmania, 371. Cushing, D. H. The monitoring of biological effects: the separation of natural changes from those induced by pollution, 597.

Davies, J. M. & Gamble, J. C. Experiments with large enclosed , 523. Diamond, A. W. Dynamic ecology of Aldabran seabird communities, 231.

Eisler, R. Behavioural responses of marine poikilotherms to pollutants, 507.

Flenley, J. R. See Walker & Flenley. Frith, C. B. Feeding ecology of land birds on West Island, Aldabra Atoll, Indian Ocean: a preliminary survey, 195. Frith, Dawn W. A twelve month study of insect abundance and composition at various localities on Aldabra Atoll, 119.

Gamble, J. C. See Davies & Gamble. Gibson, T. S. H. Green turtle ( Cheloniamydas (L.)) nesting activity at Aldabra Atoll, 255. Goede, A. See Colhoun & Goede. Gray, J. S. Pollution-induced changes in populations, 545.

Hnatiuk, R. J. & Merton, L. F. H. A perspective of the vegetation of Aldabra, 79. Hnatiuk, R. J. Temporal and spatial variations in precipitation on Aldabra, 25. Hnatiuk, Sarah H. Numbers of plant species on the islands of Aldabra Atoll, 247. Huxley, C. R. The tortoise and the rail, 225.

Livingstone, D. R. See Bayne, Moore, Widdows, Livingstone & Salkeld.

Merton, L. F. H. See Hnatiuk & Merton. Moore, M. N. See Bayne, Moore, Widdows, Livingstone & Salkeld.

Peake, J. F., See Stoddart & Peake; also Taylor, Braithwaite, Peake & Arnold. Perkins, E. J. The need for sublethal studies, 425. 636 Author index

Pilcher, J. R. & Smith, A. G. Palaeoecological investigations at Ballynagilly, a Neolithic and Bronze Age settle­ ment in County Tyrone, Northern Ireland, 345. Preston, A. Standards and environmental criteria: the practical application of the results of laboratory experiments and field trials to pollution control, 611. Prys-Jones, R. P. The ecology and conservation of the Aldabran brush warbler, Nesillas aldabranus, 211.

Salkeld, P. See Bayne, Moore, Widdows, Livingstone & Salkeld. Smith, A. G. See Pilcher & Smith. Spaull, V. W. Distribution of soil and litter on Aldrabra Atoll, 109. Stebbing, A. R. D. An experimental approach to the determinants of biological water quality, 405. Steele, J. H. The uses of experimental ecosystems, 583. Stoddart, D. R. Aldabra and the Aldabra Research Station, 3. Stoddart, D. R. & Peake, J. F. Historical records of Indian Ocean giant tortoise populations (with appendixes by C. Gordon and R. Burleigh), 147. Stoddart, D. R. & Walsh, R. P. D. Long-term climatic change in the western Indian Ocean, 11. Swingland, I. R. & Coe, M.J. The natural regulation of giant tortoise populations on Aldabra Atoll: recruitment, 177. Swingland, I. R. See Coe, Bourn & Swingland.

Taylor, J. D., Braithwaite, C. J. R., Peake, J. F. & Arnold, E. N. Terrestrial faunas and of Aldabra during the late Pleistocene, 47. Trudgill, S. T. Surface lowering and land form evolution on Aldabra, 35. Trudgill, S. T. The soils of Aldabra, 67.

Waldichuk, M. Review of the problems [Discussion on sea pollution], 399. Walker, D. & Flenley, J. R. Late Quaternary vegetational history of the Enga Province of upland Papua New Guinea, 265. Walsh, R. P. D. See Stoddart & Walsh. Wickens, G. E. Speculations on seed dispersal and the flora of the Aldabra archipelago, 85. Widdows, J. See Bayne, Moore, Widdows, Livingstone & Salkeld. Woodell, S. R. J. The role of unspecialized pollinators in the reproductive success of Aldabran , 99.

Subject index

Aldabran terrestrial ecology, Discussion; for detailed contents see pp. 1 and 2. Archaeology - Neolithic environment, 345.

Ecology, Aldabran, Discussion; for detailed contents see pp. 1 and 2.

Late Quaternary deposits, Tasmania, 371. Late Quaternary vegetational history of the Enga Province of upland Papua New Guinea, 265.

Palaeoecology of Neolithic, 345. Papua New Guinea, Quaternary vegetational history, 265. Pollutants in the sea, sublethal effects, Discussion; for detailed contents see pp. 397 and 398.

Sublethal effects of pollutants in the sea, Discussion; for detailed contents see pp. 397 and 398.

Tasmania, late Quaternary deposits, 371.

End of the two hundred and eighty-sixth volume - Series B PHILOSOPHICAL TRANSACTIONS OF THE ROYAL SOCIETY OF LONDON

SERIES B VOLUME 286 BIOLOGICAL SCIENCES

1979

PUBLISHED BY THE ROYAL SOCIETY 6 CARLTON HOUSE TERRACE LONDON SW1Y 5AG Printed in Great Britain at the University Press, Cambridge CONTENTS

Series B Volume 286

No. 1011 3 July 1979 The terrestrial ecology of Aldabra A Discussion organized by D. R. Stoddart and T. S. W estoll, F.R.S. (T wo plates; one pullout; one microfiche inside back cover) ..... 1

No. 1012 10 July 1979 Late Quaternary vegetational history of the Enga Province of upland Papua New Guinea By D. W a lker and J. R. F lenley (Plates 1 and 2; charts 1-4) .... 266

No. 1013 10 July 1979 Palaeoecological investigations at Ballynagilly, a Neolithic and Bronze Age settlement in County Tyrone, Northern Ireland By J. R. P ilc h er and A. G. Smith (Pullouts 1-4)...... 345

No. 1014 10 July 1979 The late Quaternary deposits of Blakes Opening and the middle Huon Valley, Tasmania By E. A. C olhoun and A. G oede (Plate 1) ...... 371

No. 1015 8 August 1979 The assessment of sublethal effects of pollutants in the sea A Discussion organized by H. A. C ole in collaboration with the Marine Pollution Subcommitee of the British National Committee on Oceanic Research (One plate) 397

Indexes 635 BIOGRAPHICAL MEMOIRS OF FELLOWS OF THE ROYAL SOCIETY

The 1978 volume in this series is now available. As with previous ,volumes, it records the lives and achievements of Fellows and Foreign Members of the Royal Society whose deaths have recently occurred, related in the differing styles of the individual authors, usually close friends and colleagues. | I Each memoir describes the subject's contribution to science and, in addition, may also portray a more personal side, with glimpses of the humour, beliefs and wide-ranging interests which added to both character and achievement. To make the record as complete as possible, each memoir includes a portrait and a biblio- graphy of the subject's writings. I . I ■ H These volumes offer both knowledge and pleasure to all who are interested in human achievement and the sciences, and they provide an authoritative reference source for both scientific and general libraries. The contents of volume 24 are listed below.

William Bullerwell Sheina Macalister Marshall Charles Enrique Dent David Christie Martin Arthur Fage Richard Alan Morton James Gray Lars Onsager Archibald Vivian Hill Wilder Graves Penfield Howard Everest Hinton Andrew Robertson Lancelot Thomas Hogben Oliver Graham Sutton Douglas William Holder Meirion Thomas Paul Karrer Arthur Donald Walsh John Edensor Littlewood Frederic Calland Williams

Volume 24,1978 £22.50 (U.K.) £23.50 (overseas) 250 mm x 167 mm 604 pages 21 plates ISBN 0 85403 108 1

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CONTENTS OF VOLUME 286 (SERIES B) U.K. Prices No, 1011 The terrestrial ecology of Aldabra A Discussion organized by D. R. Sto d d a rt and T. S. W esto ll, F.R.S. v (Two plates; one pullout; one microfiche inside back cover) £19.50

No. 1012 Late Quaternary vegetational history of the Enga Province of upland Papua New Guinea By D. W a l k e r and J. R. F len ley (Plates 1 and 2 ; charts 1-4) £8.05 No. 1013 Palaeoecological investigations at Ballynagilly, a Neolithic and Bronze Age settlement in County Tyrone, Northern Ireland By J. R. P il c h e r and A. G. S m ith (Pullouts 1-4) £2.85 No. 1014 The late Quaternary deposits of Blakes Opening and the middle Huon Valley, Tasmania By E. A. C o lh o u n and A, G oede (Plate 1) £2.05 No. 1015 The assessment of sublethal effects of pollutants in the sea A Discussion organized by H. A. C o le in collaboration with the Marine Pollution Subcommittee of the British National Committee on Oceanic Research (One plate) £16.90

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