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Hyblaea Aureola Sp. N. from South Thailand (Lepidoptera, Hyblaeidae) — Studies in Hyblaeidae 21

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Hyblaea Aureola Sp. N. from South Thailand (Lepidoptera, Hyblaeidae) — Studies in Hyblaeidae 21 Nachr. entomol. Ver. Apollo, N. F. 32 (3/4): 177–179 (2012) 177 Hyblaea aureola sp. n. from South Thailand (Lepidoptera, Hyblaeidae) — Studies in Hyblaeidae 21 Ulf Buchsbaum, Josef J. de Freina and Mei-Yu Chen Ulf Buchsbaum & Mei-Yu Chen, Zoologische Staatssammlung München, Münchhausenstrasse 21, D-81247 München, Germany; ulfbuchsbaum.lepidoptera@zsm. mwn.de & [email protected] Josef J. de Freina, Eduard-Schmid-Straße 10, D-81541 München, Deutschland; [email protected] Abstract: A new species of the genus Hyblaea Fabricius, probably incorrect because the taxonomic situa tion of 1793 from south Thailand is described. Hyblaea aureola the H. puera species-group is still unclear (de Frei na & sp. n. differs markedly both phenotypically and in genitalia Buchs baum in press). from all other known Hyblaea. The female holotype, its genitalia and the type locality are figured; deposition of the So far, the early stages have been recorded from Ja pa ne se holotype is in Zoologische Staatssammlung München. Hy blaea species only (Nishio 2000, 2003, Tanida 1990). Hyblaea aureola sp. n. von Südthailand (Lepidoptera, The family Hyblaeidae is mainly distributed in the Hyblaeidae) — Hyblaeidae-Studien 2 world’s tropical zones (Holloway et al. 2001, Robinson et al. 1994), but most of them except ca. three species in Zusammenfassung: Es wird eine neue Art der Gattung Hy blaea Fabricius, 1793 aus Südthailand beschrieben. the Neotropics occur in the old world tropics in Af ri ca Hy blaea aureola sp. n. unterscheidet sich sowohl phä no- and southeast Asia (Scoble 1992, de Frei na & Buchs baum ty pisch wie auch genitaliter sehr deutlich von allen bisher in press). Four species are re corded in Aus tra lia (Shaf- be kann ten Arten dieser Gattung. Der weibliche Holotypus, fer & Nielsen 1996), three spe cies are known each from des sen Genitalstrukturen sowie der Typenfundort werden Taiwan (Heppner & Inoue 1992) and Japan (Inoue et al. ab ge bildet; er befindet sich in der Zoologischen Staats samm- 1982); only one species is recorded from Korea (Kim & lung Mün chen. Son 2003) so far. Introduction Here, another previously unknown species from Thai- land is described which is clearly distinct from all other The Siamese or Indochinese region which includes Laos, known species. Vietnam and northern Thailand (Sedlag 1984, 1995), is one of the “Biodiversity Hotspots” (Mit ter mei er et Hyblaea aureola sp. n. al. 1998, Myers et al. 2000) of the world. Con se quent ly, (Figs. 1, 2) the region’s high level of biodiversity includes a large Holotype ♀: S-Thailand; Phang Nga Province; Amphoe, number of Lepidoptera awaiting description, and many Thai Muang; Khao Lak, Thong-Ring-Tal (8°26'50" N, 98° have already been recorded and described as new from 14'42" E), 21. vi. 2010; leg. L. Janikorn & P. V. Küppers (in the area in recent decades (see, e.g., Schintl meis ter & coll. ZSM = Zoologische Staatssammlung München, dissec - Pinratana 2007, Černý & Pinratana 2009, Buchsbaum tion no. ZSM Hy 5152 [Fig. 3], mtDNA-COI-barcode no. BC et al. 2010). Here another new species is described, ZSM Lep. 52534). — No paratypes. belonging to the family Hyblaeidae. The spe ci men was Etymologie: The species is named aureola (from Latin: au reo lus, -a, -um: beau ti fully golden) because of its beau- collected at light in the southwest part of Thailand (Figs. tiful co loration. 6–7). The collection site is a rainforest valley located close to the coast of the Andaman Sea. Description Family Hyblaeidae ♀ (Figs. 1–2): Wingspan 35 mm, length of forewing 17 mm. Stout-bodied. Head small, dark brown, smooth scaled, Hyblaeidae are, according to current knowledge, a small Ocelli small, Chaetosemata absent. Antenna dark brown, family. Currently about 20 species are known. However, filiform, less than half as long as forewing, scales on the status of some species remains unclear (de Freina dorsal surface only. Proboscis without scales. Labial palpi & Buchs baum in press), and further revisionary work densely scaled, porrect, whitish yellow. Patagia bright ap pears ne ces sa ry. yellowish white. The generic type species Hyblaea puera (Cramer, 1777), Upperside: Thorax, abdomen and wings dark brown. de scribed from Suriname, is currently regarded as Forewings paler apically with a dark greenish sheen in having a worldwide distribution, but its specific dis tri bu- the postdiscal and tornal regions; outer margin of apex tion is unknown as the genitalic structures show H. pue ra concave, not pointed and with a coarse fringe; hindwing to be a species-complex. In literature, “H. puera” has broader than forewing, black with a large orange apical been noted as serious defoliators of teak (Tectona gran­ spot extending from the apex to the submarginal area. dis) (e.g., Singh 1955, Dugdale et al. 1999, Peres-Filho et al. 2002, Chandrasekhar et al. 2005 and de Me nezez Underside: Thorax and legs orange. Abdomen greenish & Mehlig 2005), but determination of this spe cies is black, sternits caudatus with orange yellow margins. 1 Studies in Hyblaeidae 1: de Freina, J. J., & Buchsbaum, U. (in press): Anmerkungen zur Taxonomie der Familie Hyblaeidae mit Beschreibung der Hyblaea mauricea sp. n. von der Insel Mauritius (Lepidoptera: Hyblaeidae). — Spixiana, Munich (in press). © Entomologischer Verein Apollo e. V., Frankfurt am Main 178 1 2 4 5 3 6 7 Figs. 1–3: Hyblaea aureola sp. n. ♀ , holotype, ZSM; Fig. 1: upperside, Fig. 2: underside, Fig. 3: genitalia no. ZSM Hy 5152. — Figs. 4–5: Hyblaea tortricoides, Borneo; Fig. 4: upperside, Fig. 5: underside. — Fig. 6: Type locality of H. aureola sp. n. in Thailand. (Map produced with Map Creator software.) — Fig. 7: Rainforest at the collection site of the holotype of H. aureola sp. n. Forewing basal, postbasal and marginal regions dark The corpus bursae in the new species lacks the familiar brownish black with a well pronounced dark brownish pair of cornuti-like signa found in other known Hyblaea; discal spot; apex and interspaces orange; hindwings with they are replaced apically by finely spiculate, poorly an orange dot at the apex and along the costa to the differentiated structures. interspaces. Diagnosis ♀ genitalia (Fig. 3): Papillae anales hairy, narrow, longer The only similar species is Hyblaea tortricioides Guenée, than wide. Apophyses anteriores relatively short. Lamella 1882 (Figs. 4, 5) with its very small orange dot behind postvaginalis strongly sclerotisized. Ductus bursae thin, the apex and along the hindwing costa. This species is less scerotizised, bursa copulatrix also less sclerotizised. recorded from East Borneo. © Entomologischer Verein Apollo e. V., Frankfurt am Main 179 Discussion and biogeography — Part 35 in M. Fischer (ed.), Handbook of zoology, vol. IV, Arthropoda: Insecta. — Berlin, New York The new species is distinctly different from all other (W. de Gruyter), 494 pp. known Hy blaea Fabricius, 1793. A noticeable character Heppner, J. B., & Inoue, H. (1992): Lepidoptera of Taiwan. Vol. 1, hi ther to not recorded in Hyblaea is the absence of signa in Part 2: Checklist. — Gainsville (Association of Tropical Le pi- the ♀ genitalia. The phylogenetic status of the new species do ptera), 276 pp. and of the previously described species H. ca to ca loi des Holloway, J. D., Kibby, G., & Peggie, D. (2001): The families of Wal ker, 1865 is unclear, but the authors ten ta tive ly sug- Ma le sian moths and butterflies. Fauna Malesiana Handbook gest that the new species may belong to a species-group 3. — Leiden, Boston, Köln (Brill), 455 pp. composed of H. firnamentum Guenée, 1852, H. saturata Inoue, H., Sugi, S., Kuroko, H., Moriuti, S., & Kawabe, A. (1982): Walker, 1865, H. am boinae Felder & Ro gen ho fer, 1874, Moths of Japan. Vol. 2: Plates and synonymic catalogue. — H. tor tri coi des Guenée, 1882, and H. ca ni signa Swinhoe, Tokyo (Kodansha), 552 pp., 392 pls. 1902. Chandrasekhar et al. (2008) de mons trated that Kim, S. S., & Son, J. C. (2003): A new record of the family Hy blae- this spe cies-group is more closely re lated to the species- idae (Lepidoptera) from Korea. — Korean Journal of En to- group of H. constellata Guenée, 1852 than to the species- mo lo gy, Seoul, 33 (2): 127–131 group of H. puera Cramer, 1777. De Freina & Buchsbaum Mittermeier, R. A., Myers, N., Thomsen, J. B., da Fonseca, (in press) discuss the com plicated taxonomic situation G. A. B., & Olivieri, S. (1998): Biodiversity hotspots and ma jor tropical wilderness areas: Approaches to setting con- within the Hyblaeidae. Poss ibly the genus Hyblaea is not ser va tion priorities. — Conservation Biology, Cambridge etc., monophyletic, but clear ly divided into species-groups. 12 (3): 516–520. Myers, N., Mittermeier, R. A., Mittermeier, C. G., da Fonseca, Acknowledgements G. A. B., & Kent, J. (2000): Biodiversity hotspots for con ser- va tion priorities. — Nature, London, 403: 853– 858. Special thanks go to P. V. (Pit) Küppers and L. Ja ni korn, Nishio, N. (2000): Mating behavior of Hyblaea fortissima (Hy blae- for the material from Thailand. Sincere thanks go to idae). — Yugato, Niigata, 160: 82–83. Pat Haynes, London, for help on linguistic problems. ——— (2003): Life history of Hyblaea fortissima Butler (Hy blae- Thanks also to Wolfgang Speidel, Munich, and Wolfgang idae). — Yadoriga, Osaka, 199: 36–39. A. Nässig, Frankfurt am Main, for their discus sion about Peres-Filho, O., Dorval, A., & Berti-Filho, E. (2002): Ocorrencia the manuscript. de Hyblaea puera (Cramer, 1777) (Lepidoptera: Hy blae idae) em Teca no Brasil. — Bragantia, Campuinas, 61 (1): 59–60. References Robinson, G. S., Tuck, K. R., & Shaffer, M. (1994): A field guide to Buchsbaum, U., Chen, M.-Y., & Speidel, W. (2010): Neochalcosia the smaller moths of southeast Asia. — London (The Na tur al witti sp.
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