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Lepidoptera, Cossidae) from Indonesia and Thailand Ecologica Montenegrina 38: 102-106 (2020) This journal is available online at: www.biotaxa.org/em http://dx.doi.org/10.37828/em.2020.38.12 https://zoobank.org/urn:lsid:zoobank.org:pub:05A73DF2-AC30-4CDD-A01E-E1999D5B1A3D Two new species of Roepkiella Yakovlev & Witt, 2009 (Lepidoptera, Cossidae) from Indonesia and Thailand ROMAN V. YAKOVLEV Altai State University, pr. Lenina 61, Barnaul, 656049, Russia. E-mail: [email protected] Tomsk State University, Laboratory of Biodiversity and Ecology, Lenina pr. 36, 634050 Tomsk, Russia Received 21 November 2020 │ Accepted by V. Pešić: 9 December 2020 │ Published online 10 December 2020. Abstract The article describes two new species: Roepkiella jakli sp. nov. (type locality: Indonesia, Sangir Isl., Tahuna Distr., Bukit Bembalut Hill) and R. korshunovi sp. nov. (type locality: Thailand, Khon Kaen Prov., Phu Wiang Wat). The diagnostic features are given, the male genitalia of R. celebensis (Roepke, 1957) are described for the first time. Key words: biodiversity, Cossoidea, entomology, Asia, Paleotropics, Oriental Region, taxonomy, new species. Introduction The genus Roepkiella Yakovlev & Witt, 2009 (Lepidoptera, Cossidae) was firstly described for Cossus rufidorsia Hampson, 1904 (type locality: Sikhim [E. India, Sikkim prov.]) by original designation (Yakovlev & Witt 2009). According to the publications (Roepke 1957; Arora 1976; Holloway 1986; Schoorl 1990; Yakovlev 2011, 2014) the genus includes 14 species, distributed in Hindustan, Indochina, Myanmar, Malacca, Borneo, Java, Sumatra, and Sulawesi. Their biology is very poorly studied. Only for R. chlorata (Swinhoe, 1892) (type locality: Sarawak, Borneo) and Roepkiella subfusca (Snellen, 1895) (type locality: [Deli, Ost Sumatra]) the feed plants were indicated: Intsia palembanica Miquel, 1861, Parkia sp. and Parkia speciosa Hasskarl, 1842 (Leguminosae), Lansium parasiticum (Osbeck) K.C.Sahni & Bennet, 1974 (Meliaceae), Phyllanthus emblica Linnaeus, 1753 (Euphorbiaceae) (Kuroko & Lewvanich 1993; Robinson et al. 2001). Examining the materials of Museum Witt, Munich, Germany (later – MWM) we found two new species, their descriptions are provided below Material and methods Male genitalia were mounted in euparal on slides following Lafontaine and Mikkola (1987). Slides were photographed using an Olympus DP74 camera attached to an Olympus SZX16 stereomicroscope at the Altai State University. Type material deposited in the MWM and Nationaal Natuurhistorisch Museum, Leiden, The Netherlands (later – RMNH). Ecologica Montenegrina, 38, 2020, 102-106 YAKOVLEV Descriptions of new species Roepkiella jakli sp. nov. Figs 1−2, 7 Material examined. Holotype, male, Indonesia, Sangir Isl., Tahuna Distr., Bukit Bembalut Hill, 600 m, 14−21.xi.2009, leg. St. Jakl (MWM, Slide Genitalpräparat Heterocera No 27.411). Paratypes, 3 males, same locality and data (MWM). Figures 1−6. Adult specimens (males) of Roepkiella: 1. R. jakli sp. nov., holotype (MWM); 2. R. jakli sp. nov., paratype (MWM); 3. R. celebensis (Roepke, 1957), holotype (RMNH); 4. R. celebensis (Roepke, 1957), Z. Sulawesi, Kulawi, 1º26′S / 120ºE, 7−8.ii.1995, 1000 m, Tarasov & Sinjaev leg. (MWM); 5. R. korshunovi sp. nov., holotype (MWM); 6. R. korshunovi sp. nov., paratype (MWM). Description. Length of fore wing 18−20 mm. Antenna unipectinate, crest processes very short – about ½ of antenna rod diameter. Thorax covered with light-brown scales from above, medium part of thorax – with milky-white scales. Fore wing light-grey with dense pattern of thin transverse strokes and wavy lines, grey strokes along costal edge, light-brown portion discally (closer to hind edge, light portion in discal cell, brown Ecologica Montenegrina, 38, 2020, 102-106 103 TWO NEW SPECIES OF ROEPKIELLA YAKOVLEV & WITT, 2009 FROM INDONESIA AND THAILAND portion postdiscally (medially), small brown spots at tops of veins on outer edge, fringe mottled: dark at veins, light between veins. Hind wing dark-grey, without pattern, fringe grey, unicolorous. Male genitalia. Uncus triangle, long, apex uncinately bent, strongly sclerotized; gnathos arms thick, of medium length; gnathos of medium size; valve basally wide, gradually narrowing to apex, apex lanceolate, distal end of valve membranous, small dentate process on costal edge of valve (at transition of sclerotized part to membranous one); transtilla processes strongly sclerotized, apically sharp, gradually narrowing from base to apex, slightly curved in medium third; juxta scaphoid with strongly sclerotized lateral processes of medium length; saccus semicircular, of medium size; phallus robust, almost straight, of even thickness along the entire length, vesical aperture in dorso-apical position, takes about ¼ of phallus in length, vesica without cornuti. Figures 7−9. Male genitalia of Roepkiella: 7. R. jakli sp. nov., holotype (Slide Genitalpräparat Heterocera No 27.411); 8. R. celebensis (Roepke, 1957), Z. Sulawesi, Kulawi, 1º26′S / 120ºE, 7−8.ii.1995, 1000 m, Tarasov & Sinjaev leg. (Slide Genitalpräparat Heterocera No 27.410); 9. R. korshunovi sp. nov., holotype (Slide Genitalpräparat Heterocera No 27.414). 104 YAKOVLEV Diagnosis. Concerning the distribution and morphology, the new species is mostly close to the endemic of Sulawesi – R. celebensis (Roepke, 1957) (type locality: N. Celebes [Indonesia, N. Sulawesi]) (Figs 3−4, 8) from which it differs in a series of characters: - the light-grey portion on the discal cell (in R. celebensis, the portion is brown); - the dark pattern of strokes on the fore wing postdiscally (in R. celebensis, there are thin dark bands); - the transtilla processes slightly curved in medium third (in R. celebensis, the processes are almost straight). Distribution. Sangir Island (North Sulawesi province, Indonesia). Etymology. The new species is named after the well-known Czech entomologist Stanislav Jákl (Prague), the collector of the type series. Roepkiella korshunovi sp. nov. Figs 5−6, 9. Material examined. Holotype, male, Thailand, Khon Kaen Prov., Phu Wiang Wat, N16.75.660 / E102.35.698, 28.x.2011 (MWM, Slide Genitalpräparat Heterocera No 27.414). Paratype, male, Thailand, Udon Thani Prov., Ban Nong Phai, N17.24.812 / E 102.89.700, 20.x.2011 (MWM, Slide Genitalpräparat Heterocera No 27.413). Description. Length of fore wing 13−15 mm. Antenna simple, not pectinate. Tegulae light-brown, thorax dirty-white from above. Fore wing light-brown with rare pattern of strokes from base to postdiscal area, tow oblique black parallel bands (from costal edge to anal angle), postdiscal and submarginal area light-grey with dense pattern of strokes, small brown spots on outer edge at tops of veins, fringe mottled: dark at veins, light between veins. Hind wing dark-grey, without pattern, fringe grey unicolorous. Male genitalia. Uncus triangle, long, apex uncinately bent, strongly sclerotized; gnathos arms thick, short; gnathos of medium size; valve basally wide, gradually narrowing to apex, apex lanceolate, distal end of valve membranous, small double dentate process on costal edge of valve (at transition of sclerotized part to membranous one); transtilla processes strongly sclerotized, apically sharp, gradually narrowing from base to apex, almost straight; juxta scaphoid with strongly sclerotized short thick lateral processes; saccus semicircular, of medium size; phallus robust, almost straight, of even thickness along the entire length, vesical aperture in dorso-apical position, takes about ½ of phallus in length, vesica without cornuti. Diagnosis. The new species differs from all the known species of the genus in the following characters: - two clearly expressed oblique parallel black bands on the fore wing (from the costal edge to the anal angle) - the double bump on the costal edge of the valve. Distribution. North-Eastern Thailand (Khon Kaen and Udon Thani Provinces). Etymology. The new species is named after the well-known Russian entomologist Yury P. Korshunov (1933−2002), a prominent specialist in the fauna of Lepidoptera of the USSR and Siberia, who gave me numerous invaluable lessons in faunistics and taxonomy. Acknowledgements The author is grateful to Anna Ustjuzhanina (Tomsk) for the help in translation of the paper; I also express my gratitude to Thomas Witt† & Harald Sulak-Wildenauer (Munich), and to Dr. Rienk de Jong & Dr. Erick J. van Nieukerken (Leiden). References Arora, G.S. (1976) A taxonomic revision of the Indian species of the family Cossidae (Lepidoptera). Records of the Zoological Survey of India, 69(1–4), 1−160. Ecologica Montenegrina, 38, 2020, 102-106 105 TWO NEW SPECIES OF ROEPKIELLA YAKOVLEV & WITT, 2009 FROM INDONESIA AND THAILAND Holloway, J.D. (1986) The moths of Borneo: Part I. Key to families; Families Cossidae, Metarbelidae, Ratardidae, Dudgeonidae, Epipyropidae and Limacodidae. Malayan Nature Journal, 40, 1−166. Kuroko, H. & Lewvanich, A. (1993) Lepidopterous Pests of Tropical Fruit Trees in Thailand. Japan International Cooperation Agency, 132 p. Lafontaine, J.D. & Mikkola, K. (1987) Lock–and–key system in the inner genitalia of Noctuidae (Lepidoptera) as taxonomic character. Entomologiske Meddelelser, 55, 161–167. Robinson, G.S., Ackery, Ph.R., Kitching, I.J., Beccaloni, G.W. & Hernández, L.M. (2001) Hostplants of the moth and butterfly caterpillars of the Oriental Region. Kuala-Lumpur, 744 p. Roepke, W. (1957) The Cossids of the Malay Region (Lepidoptera: Heterocera). Verhandelingen der Koninklijke Nederlandse Akademie van Weterschappen, Afd. Natuurkunde (Tweede Reeks), LII (1), 60 p. Schoorl, J.W. (1990) A phylogenetic study on Cossidae (Lepidoptera: Ditrysia) based on external adult morphology. Zoologische Verhandelingen, 263, 295 p. Yakovlev, R.V. (2011) Catalogue of the Family Cossidae of the Old World. Neue Entomologische Nachrichten, 66, 1–129. Yakovlev, R.V. (2014) Descriptions of three new species of Cossidae (Lepidoptera) from Vietnam, with an updated annotated checklist. Zootaxa, 3802 (2), 240–256. Yakovlev, R.V. & Witt, Th. (2009) The Carpenter Moths (Lepidoptera, Cossidae) of Vietnam. Entomofauna. Suppl. 16, 11–32. 106 .
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