Eugoa malayicola Bucsek, 2008

Bayarsaikhan, Ulziijargal, Bucsek, Karol & Bae, Yang-Seop, 2018, A review of the genus Eugoa Walker (Lepidoptera, Erebidae, Arctiinae, Lithosiini) in Cambodia, with the description of a new species, Zootaxa 4403 (3), pp. 469-494 : 471

Eugoa malayicola Bucsek, 2008

( Figs. 1 , 20 , 39 )

Eugoa malayicola Bucsek, 2008 , Entomofauna 22(26): 422, figs. 3, 4, 64, 65. TL: Peninsular Malaysia.

Redescription ( Figs. 1a, b ). Wingspan 18–19 mm in male, 21 mm in female. Forewing ground color pale gray, mottled gray-brown, with dark brown antemedial and postmedial bands narrowed in medially and two small, dark discoidal spots (one distinct, another one small, diffused) and basal area; cilia pale yellowish. Hindwing buttercup yellow, mottled gray-brown at apex; cilia white yellowish. Male genitalia ( Fig. 20 ). Uncus slender, hook-shaped, half the length of tegumen. Valvae tapering, rectangular, rounded apically, densely covered with setae; a large, swollen process at basal of costal margin; ampulla large, finger-shaped. Aedeagus weakly sclerotized apically, and with one slender spine-shaped cornutus and an irregular, weakly sclerotized plate. Female genitalia ( Fig. 39 ). Lamella antevaginalis with 2 large, sharp lateral spines, and excavated at middle, covered with small dents. Ductus bursae heavily covered with thin spines. Corpus bursae weakly covered with thin spines in proximal half.

Material examined. Cambodia. 2 ♂, 1 ♀, Mondulkiri (N12˚57′47.8″, E107˚10′52.8″), 6–7.X.2010 (YS Bae, XV Le and YD Ju), Gen. Slide No. INU-1543, 1545, 1565 ; 4 ♂, Seima (N12˚14′12″, E107˚02′35″), 9–12.XI.2011 (YS Bae, YK Kim, YD Ju, BS Park and HJ Lee), Gen. Slide No. INU-1542, 1544, 1546, 1547.

Distribution. Cambodia (Mondulkiri, Seima), Peninsular Malaysia, Thailand.

Remarks. This species was reported from Cambodia by Bae et al. (2016).

Figures

FIGURES 1–4. Adults of genus Eugoa spp. 1a. Eugoa malayicola, male (INU-1546). 1b. ditto, female (INU-1565). 2a. E. gabrielae, male (INU-1533). 2b. ditto, female (INU-1528).3a. E. mangle, male (INU-1552). 3b. ditto, female (INU-1346). 4a. E. kuznetzovi, male (INU-1592). 4b. ditto, female (INU-1593).

FIGURES 20–25. Male genitalia of genus Eugoa spp. 20. Eugoa malayicola (INU-1547).21. E.gabrielae (INU-1527).22. E. mangle (INU-1552).23. E.kuznetzovi (INU-1592).24. E. obliquipuncta (INU-1556).25. E.tessellata (INU-1564).

FIGURES 39–44. Female genitalia of genus Eugoa spp. 39. Eugoa malayicola (INU-1565).40. E. gabrielae (INU-1528). 41. E. mangle (INU-1346).42.E.kuznetzovi (INU-1593). 43. E. obliquipuncta (INU-1557).44.E.tessellata (INU-1563).