NHBSS 006 3C Godfrey Listof
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JOURN. NAT. HIST. SOC. SIAM. VOL. VI . PLATE 17. 4 . 10. 6. /~ . MOTHS FROM SIAM TilE JOUR NAL OF TH E Natural liistory Society of Shtn1 . Volume VI. BANGKOK. Number 3. LI ST OF T HE MOTHS C OLLECTED IN SIAM BY E. J. GODFRE Y, B. Se., F. E. S. with d esc r i p t i o n ~ of new spec ies. By w. H. T. 'rAMS. Including descriptions of 3 new gencrft itn cl 2 ncw sper,ics. By Sm G. F. H Al\fP::i ON, B ART. 'With P l:tte 17. ( l'ublisbec1 by permission of the Trnstees oE the British i.Iusc u1U ). The majority o.E the moths dealt with in this list were col lected by Mr. E. J . Godhey, but a fe·w are included which wer e taken by H . R. H. the late P rince of Chumporn and by l\1r. W. A. Graham, while several were obtained by Major C. H. Stockley on a trip from Bmrna through Siam. As several descriptions by Sir George H ampson existed in manuscript at the British Museum (Natm al H istory), they luwe been utilised, with the permission of the Trustees, in t hi s paper, aclmO\·V ledgment being made at the end of e<Lch description. The previously unknown males of two species arc also des cribed her ein. A large proportion of the co llection, including the types, haH been kindly presented to the British Museum by ~h. Godfrey. As far as can be judged from this collection the majority or the species are those found also in Tena.sscrim and Singapon-', those l)eing the tvvo localities in this region from which enough material exists in the British Museum collection to en11bl e 11 ny comptLrison to be made. As might be expected, m::my of the species also occur in F rench Indo-China. It is evident that these regions will amply re pay exhaustive collecting, and that there is LLlso a wide scope for anyone who will undertak e the working out of the life histories of any moths found in the Indo-Malayan r egion. To give tLn example 230 MR. W. H. T . TAMS ON of one of the many problems which await solution, the case may Le pointed out of a curious moth, which, however, does not appear in this collection, but which almost certainly occurs in Siam, viz., I antha umbrinc~ Doubleday. The male only cf this moth is known. Colon el Swinhoe has described another moth, Platyja ?'~LfisoriptcL, which up to the present is on ly known in the female sex. In spite of the remarkable specialisation of umb1·ina, as a result o.f which it has been placed in a separate genus, and which makes it appear superficially so unlike r'nfisoripta, these two species seem to be very closely related, so much so, in fact, that they may prove to be male and female of the same spec ies. Here then is an interesting problem for some keen entomologist to investigate. It may be useful to students to include here one or two notes on structural terminology. Although it has been disputed it appears that the term " tegula" was origin ally applied to the wing-base covers (see Kirby and Spence), and that the collar tippets were cal led " patagitt ". Later the application of these terms seems to have been reverse:l It is a great hindrance to serious workers to find them:,;el ves consta.ntly confronted by such diffieult,ies as the misap plication o.f tenus. In the Hymenopterc~ the term tegulae is still m;ed for the wing-base covers, and there seems to be no adequate reo son for using this term for a different structure in the L ep idopterc~. In this p<tpe r the shoulder lappets or wing-base covers are termed tegulae, and the collar tippots patagia. Tho system of terminology adopted here for the wing-veins is that proposed by Comstock and Needham, and as Sir George Hampson in his descriptions has used the British system, the comparison between the two is given below. British. l a lb l c 2 3 4 5 6 7 8 9 10 11 12 (Costa) C. & N. Ai:! A2 A1 Cu2 Cm :Ms M2 M1 R5 R4 R3 R2 R1 So C In the Comstock and Needham system A= Anal, Cu= Cubitus, · )[ = Media, R = Radius, Sc= Subcosta, C = Costa. As the term Anal is used it might be more consistent to use the terms Cubital, Medial, Radial, Subcostal and Costal instead of Cubitus, etc. It will be noted that in the descriptions of the fore wmg JOUHN. NA'l'. liiS'l'. SOC. SIAM. MOTHS COLLECTED IN SIAM BY E. J. GODFREY. 231 of some of the N oct~Liclae, the term "the anal vein" is used. This refers to vein A2, which in this family is usually forked at the base. In the course of the paper the following localities are referred to :- IN CENTRAL SIAM :-Bangkok and Ban Phaji. IN EASTERN SIAM :- Pak J ong and Muak Lek, villages situat ed on ~he line to Korat where it crosses the Dong Rek range. IN SouTH EASTERN SIAM :-Sriracha, a fishing village on the eastern side of the Gulf of Siam about 40 miles from t he mouth of the Chao Phya river. Koh Si Chang, an island lying off Sriracha. Nong Yai :Boo, Hup Bon, Nong Khai Ploi and :Ban Dan, hamlets or forest posts in the Sriracha forest. IN NORTHERN SIAM :-1'he Me rcharn, the Me Chow, the Me Lem, the Me Sai Song and the Me Lam Pong, small tributaries of the Me Song which drains the Me Song forest, situated some 26 miles due north of Prae. IN PENINSULAR SIAM :-Chumporn, Paknam Langsnan and Khanduli, in the Province of Chumporn. :Bangnara (Naradhivas) and Patani, in the Province of Patani· The above localities are all in Siam, the zoo-geographical divisions used being those proposed by Mr. C. Boden Kloss in this Journal ( Vol. I , p. 250 ). In addition to these, the following localities, not in Siam, are also mentioned :-Pak Mat, Ban Nahan, flan Manao and Ban Na Sao on the Mekong river in French Laos. Kawkoreik ( Kawkorit ), the Thaungyin river and tho 'l'aok plateau on the Burma-Siamese frontier. Moths obtained in these localities are included in the present list. SYNTOMIDAE. 1. AMATA SPERBIUS (Fabr.). Zygaenct spe?·bius Fab1·., .i\'b.nt. Ins. ii, p. 103 (1787). r3 Chumporn, 8.5.16. VOL. VI, NO. 3, 1924, 232 MR. W. H. T. TAMS ON 2. ERESSA OONFINIS (Walk.). Glaucopi.s confinis vVn.lk., List Lep. Ins. B. l\1:. i, p. 149 (1854). o Bangkok. 3. EUOHROi'l'llA ELEGANTfSSU1A (Wllgrn.). C'hm ..id ect elegnnti.ssinut W ll gn~., :Eugenies Resa., p. 360 (186 1). 2 o ,_;: , 2 Q Q Klong Sam; Bangkok, 8.2.14. ARCTIIDAE. LJTHOSTJN A'E. 4. 0YANA. DUDGEON[ (I-lmpsn.). C'hionctemct cl~tdgeoni Bmpsn., 'r1·. Ent. Soc. Land. 1895, p. 29 :3. ~ Pak Jong, E. Siam, 5.1.15, in open jungl . 5. SICOIA SORDIDA (Bntl. ). A emen e sordicla Bui;l., 'l'r. Ent. Soc Land. 1877, p. 372. o Bangkok, 20.1.16. 6. ASURA OHSOLETA (Moore). Lyclene obsoletct Moore, Pr. Zool. Soc. Land. 1878, p. 32, pl. 3, fig. 7. ~ Sriracha, 14.4.14. 'l . 1\'IJLTOOHRISTA DELICIA (Swinh.). BCG?·sine delicict Swinh., Tr. Ent. Soc. Land. 1891, p. 477, pl. 1!?, fig. 12. Q Pak Jong, 31.12.15, in jungle path. AROTUNAE. 8. SPILOSOMA UJ\fl\IERA Swinh. Pl. 17, fi g. 2. Spilosomct wnmern Swinh. Q, Pt·. Zool. Soc. Land. 1889, p. 405, pl. 43, fig. I. o. Palpi blackish, 1st and 2nd segments "' ~ · oran ge-yell ow beneath, 3rd segment sepia tipped; antenna1 shafb blackish, pectina tiom burnt umber ; frons below and at sides blackish-brown, from middle to vertex of head buff-yellow; thorax buff, inclined to buff. yell ow posteriorly; abdomen orange-yellow. Pectu s ~t buff-yellow, sepia in front; basal two-thirds o£ femora above orange-yellow, distal third sepia above, beneath buff; fore and mid tibiae sepia above, buff beneath; . hind tibiae buff, apex above and spurs sepia; tarsi sepia; abdomen beneath buff: Fore wing buff; a blackish dot at base; an anbemedial spot on costa, an inwardly oblique wood brown antemedial shade below cell , terminating in a blackish clot JOURN. NAT. HIST. SOC. SIAM. MOTHS COLLECTED IN SIAM BY E. J. GODFREY. 233 just above anal vein; a blackish dot in upper angle of cell; a black ish postmedial spot on costa, continued as an obscure wood-brown postmedial line strongly out-curved (convexity t.erminad) between costa and vein Cm, inwardly sharply oblique to Cu2, then less ob ilque to inner margin, accentuated by two minute blackish dashes on each side of vei n CUl, two larger ones on each side of Cu2, and two blackish spots on each side of anal vein, the one near the inner margin being the large1· ; 5 blackish subterminal dots, one on each side of vein 1\:h, the lower elongate, one on each side of 1\1:3 , and one above Cm ; fringe buff, paler tipped. Hind wing orange-yellow ; a diffuse blackish spot at upper angle of cell; 4 subterminal spots near the tornus, one above Cu2, a brger one below it and slightly basad, and two small ones, one on each side of Yein A2, nen.r the termen; fringe yell owish-white.