Demographic Dominance: Age, Size, and Emergence
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Odonatological Abstracts 2000 assumes that life histories are optimized over 3 key variables; activity level (or“effort”) duringthe juvenile (14152) BEUDEKER, K., 2000. Utrecht mtmrdichthij. stage, duration of the juvenile stage, and size at — [The Utrecht nature close at hand], Stichling het maturation. Reproduction is taken to be semelparous Bill. 121 ISSN Utrechts Landschap,De pp. 1567-0791. (or monocarpic), reproductive success is size depen- — Price: — P.O. Box and 9 dominant. Juvenile (Dutch). € 6.80 net. (Publishers: dent, 9 are demographically 121, NL-3730 AC De Bill). 3 and 9 life histories are assumed to be “structurally The Calopteryx splendens population in the Kromme identical” (i.e. governed by identical functions of R. and Under these Rijn nr the city of Utrecht, the Netherlands is activity, size, development time). mentioned and some photographs are included. conditions, sexually dimorphic life histories readily arise when features of juvenile behaviour and in (14153) BOSSENBROEK, P„ O. DRIESSEN & J. developmentare adjustedto maximize r response to 2000. Herstelbeheer de succesvol. selection adults. Some of HERMANS, Snep gender-specific pressures on — Habitat restoration De Nature Reserve. the conclusions from the Seasonal at Snep analysis are, e.g. (1) Natuurh. Maandbl 89(11):238-245. (Dutch, with Engl, constraints that force 6 3 and 9 9 to have equal — ER s.). (Third Author: Hertestraat 21, NL-6067 development times cause differerences between the Linné). sexes in other characteristics, and (2)The survival cost De 5 natural surrounded of size ratio maturation Snep (surface ca ha), a pond, greater body generates a sex at of is situated in the smaller — In data by grassland and a few patches forest, favoring sex. odon., currently available indicate central Limburg, the Netherlands. In 1994 the pond on mass at emergence generally an between sexual size was cleanedand the silty sediment removed. Over the inverse relationship dimorphism odon. and ratio. This result from period, 1998-2000,26 spp. were recorded, mostly (SSD) sex may mating spp. ofmoderately eutrophic water. advantages of large size in territorial 3 3 and disadvantages in nonterritorial 3 3 . However, not all (14154) CROWLEY, P.H., 2000. Sexual dimorphism odon. have sexually dimorphic life histories before with female demographic dominance: age, size, and emergence. Size at emergence, time to emergence and sex ratio at maturation. Ecology 81(8): 2592-2605. - larval growth rates are statistically indistinguishable (Cent. Ecol., Evol. & Behav,, T.H. Morgan Sch. Biol. between sexes in Lestes congener. This suggests that Sei., Univ. Kentucky, Lexington, KY 40506-0225, larval mortality rates and activity levels also do not differ in this USA). by sex sp. Under the influence of natural and sexual selection, 6 S and 9 $ will often differ in the costs and benefits (14155) DE MOLENAAR, J.G. & D.A. JONKERS, of achieving some particular body size; one might 2000. Verlichting rijksverkeerswegen Utrechtse therefore them evaluatie de faunistische expect to find growingat different rates Heuvelrug: een van aspekten for different times, and dying on different schedules. van een proef met hoofdverlichting en orientatie- The analysis of sexual dimorphism presented here verlichting. — [Highway illumination in Utrechtse 416 Odonatological Abstracts of faunistic in with & Russ, & — Heuvelrug: assessment aspects an Engl. s’s Preface). (Publishers: experiment withmain- and orientation lights]. Alterra Schmalhausen Inst. Zool., Natn. Acad. Sci. Ukraine, Rapp. 110:1-69. (Dutch). — (AlterraRes. Inst. Groene Vul, Khmelnits’kogo 15, UKR-01601 Kiev-30). in200 this is review Ruimte, P.O. Box 47, NL-6700 AA Wageningen), Published copies only, a thorough Includes a passingreferences to the odon.,but no effects ofthe odon. fauna (73 spp.) of theUkraine, with (well- — are stated and no target spp. are identified; Utrecht illustrated)keys to the adults, all known (publishedand Hill Range, the Netherlands. hitherto unpublished)records, adult phenology graph, and with a completebibliography.Very useful arealso (14156) EISERMANN, K„ 2000. Ökologische Be- the bibliographicallydocumented district checklists of wertung einer ehemaligen Militärfläche: das Tanklager spp. Zeisigwald. Verbff. Mus. Naturk. Chemnitz 23: 51-62. — (Carl-von-Ossietzky-Str. 213, D-09127 Chemnitz). (14161) HA,L.Y., 2000. Untersuchungenzur Emergenz The locality is situated S of Chemnitz, E Germany. und Mobilität der Geminen Smaragdlibelle (Aniso- odon. und in der Um- During 1995-1996,27 spp. were evidenced,based ptera: Corduliidae) zur Libellenfauna on exuviae collections. The structure ofthe community gebung von Winterthur (Kt. Zurich, Schweiz), vii+76 is — Prof.Dr H. Wildermuth, analysed. pp. (c/o Haltbergstr. 43, CH-8630 RUti). 2000. Common for ln the of (14157) ENDERSBY, I., names vicinity Winterthur, Switzerland, the emer- Victorian Ent. 53-54. - Looker in Cordulia lasts less than 30 d. In dragonflies. 30(4): (56 gence period aenea Rd, Montmorency, Vic. 3094, AU). the population of ca 3300 individuals, sex ratio was The vernacular used odon. in about the S 6 earlier than the 9 names, as for some taxa 1:1, though emerged the UK, USA, and New Zealand, arelisted. There seems 9. The individuals at a smaller pond were significantly between to be little agreement these nomenclatures, largerthan those at a large pond. The mean maturation is and an international standard is lacking. Therefore it time amounts to 21 d, longevity to 45-62 d. Migrating Australia should feelfree — suggested, to produce aunique individuals covered stretches of 2,25-4.50 km. set ofvernacular dragonfly names. During the field work (summer 2000), 35 spp. were evidence in the Winterthur area. (14158) ENDERSBY, I., 2000. Dragonfly conservation in Victoria. Victorian Ent. 30(4): 47-51. — (56 Looker (14162) HABDIJA, I., I. RADANOVlC & R. Rd. Montmorency, Vic. 3094, AU). MATONICkIN, 2000. Functional feedingstructure of From the national (Australian) point of view. benthic macroinvertebrates in travertine barrier - Hemiphlebiamirabilis is the only sp. in Victoria that is biotopes. Verb. int. Ver. Limnol. 27(5): 2594-2599. “vulnerable”. “Near Threatened” Univ. assessed as 11 spp. are (Dept Zool., Fac. Sei., Zagreb, Rooseveltov trg 7 “Data and 55 CRO-10000 (Australia-wide), spp. are Deficient”, 6, Zagreb). “Least Concern”. A checklist is and is from the spp. are presented Onychogomphus forcipatus reported and covered some explanatory notes are provided. travertine moss- filamentous algae substrate of the Plitvice (oligotrophic, travertine (14159) GOLUBKOV, S.M., 2000. Functionalecology barrage) Lakes, NW Dinarid Mts, Croatia. of aquatic insects. Zool. Inst., Russ. Acad. Sei., St der Petersburg. 294 pp. ISBN 5-288-02823-0. (Russ., with (14163) HUTH, J„ 2000. Libellen (Odonata) Engl, title & s.). Braunkohlen-BergbaufolgelandschaftSachsen- A general review is presented of the data on the biotic -Anhalts. Abh. Ber. Naturk., Magdeburg23;3-27. (With interaction,life cycles, specific rate ofproduction and Engl. s.). — (Oekokart, Georg-Cantor-Str. 31.D-06108 of insects The oxygen consumption aquatic (716 spp.). Halle/Saale). odon. 20 oftheRussian recorded the (over spp. fauna) are thoroughly During 1996-1998,46spp. were at open- considered. cast lignite post-mining landscapes ofSachsen-Anhalt, E Germany. The importance ofextensive stretches of (14160) GORB, S.N., R.S. PAVLJUK & Z.D. SPURIS, shallow water with diverse vegetation is emphasized. 2000. Babki (Odonata) Ukraini: faunistichniy oglyad. - OdonataofUkraine: faunisticoverview. a Vest. Zool. (14164) LEBENHAGEN, A., 2000. Bericht Uber das 15: 1-155. ISBN 966-02-1815-X. Exkursionswochenende der (Suppl.) (Ukrainian, Entomologen von Odonatological Abstracts 417 18. bis 20. Juni 1999 of Z. Mecklenburg-Vorpommernvom splitting Cordulegaster diastatops into 2 spp., in Dümmer. Virgo 4(1): 99-103. - (Ent. Ver. diastatops and Z. bilineata (cf. CM 4095)have not been workers Zoraena Mecklenburg, Schäferstr. 24, D-19053 Schwerin). widely accepted; most consider a Includes references to Lestes dryas, Anax Imperator synonym ofCordulegaster, while Z. bilineata may be — of and Leucorrhinia pectoralis; Dümmer, a geographic variant Z. diastatops. In the present Mecklenburg-Vorpommern,EGermany. thesis, the subject is examined in detail, and it is remains concluded that the status of Zoraena pro- & BOSSEN- (14165) LEUNISSEN, J„ J. LINSSEN P. blematic; there areno habitat,ecological or behavioural het Keversbroek. differences between and and BROEK, 2000. Nieuwe kansen voor Cordulegaster Zoraena, — the Natuurh. the evidence New opportunities for Keversbroek. genetic neither supports nor discounts the Maandbl. 89(3): 53-59. (Dutch, with Engl.s.). — (First generic status of the latter, therefore using Cordule- for Author: Heerweg 2, NL-6082 AC Buggenum). gaster as the generic name bilineata and diastatops Situated in the municipality of Heythuysen, central would be “prudent”. On the other hand, C. bilineata Keversbroek harbours Limburg, the Netherlands, the and C. diastatops aremost likely representinggood spp,, several odon. of which Lestes barbants is indicated and 1TS-1 spp., as by morphological sequence mentioned here. differences between them. K.CHANDRA &K. 2000. (14166) MANGER, R., 2000. Libellen in de duinen van (14169) RAM,R„ YADAV, de Noordkop, 2000: Grafelijkheidsduinen, Doggers- Studies on theOdonata faunaofAndaman andNicobar - plaats/Refugium en Zwanenwater. — [Dragonflies in Islands. Rec. tool. Surv. India 98(3):