Chrysoscota cotriangulata Holloway, 2001

Bayarsaikhan, Ulziijargal & Bae, Yang-Seop, 2016, Review of the genus Chrysoscota in Cambodia (Lepidoptera, Erebidae, Arctiinae), with description of a new species, Zootaxa 4154 (4), pp. 485-488 : 488

Chrysoscota cotriangulata Holloway, 2001

( Figs. 2 a, b, 5a, b)

Chrysoscota cotriangulata Holloway, 2001 , Moths of Borneo 7: 432, pl. 8: 411, 414; Cerny & Pinratana, 2009: 5, pl. 1: 2; Bucsek, 2012: 138, pl. 24: 339. TL: Borneo (Sabah).

Diagnosis. Wingspan ♂ 21–22 mm, ♀ 21–25 mm. This species is similar to C. kimsuni sp. n., but can be distinguished by the following characteristics: size smaller (21–22 mm); discocellular spot of forewing gray-yellow, without dark brown patch; in male genitalia, gap between valva and saccular process about 2/3 length of valva; valva tapered, slightly sclerotized; saccular process bent towards valva, with apical spine; aedeagus slender, waved, and vesica with scobination; in female genitalia, the ventral opening of ostium 3 times broader than C. kimsuni , “–“-shaped, sclerotized; ductus bursae sclerotized, sub trapezoidal; corpus bursae pyriform.

Material examined. 1 male, Cambodia, Pursat (N12˚05′34.2″, E103˚11′10.1″), 4.V.2010 (Bae, Chae, Ju, and Le) ; 4 males, 2 females, Cambodia, Cardamom (N11˚56′83″, E103˚23′38″), 28–29.VI.2011 (Bae, Ju, Bayarsaikhan, and Lee), Gen. Slide No. INU-1310, INU-1311, INU-1312, INU-1313, INU-1314, INU-1317 ; 2 males, Cambodia, Samkos (N12˚12′49″, E102˚54′11″), 18–19.II.2012 (Bae, Ju, Park, and Lee) ; 2 males, 3 females, Cambodia, Osam (N12˚1′31″, E103˚11′4″), 21–22.II.2012 (Bae, Ju, Park, and Lee) ; 1 male, Cambodia, Samkos (N12˚12′40″, E102˚52′13″), 23.XII.2014 (Bae, Ju, Qi, Bayarsaikhan, Park, Na, Kim, and Lee).

Distribution. Cambodia (new record), Borneo, Indonesia, Thailand, Peninsular Malaysia.

Species Distribution

1 Chrysoscota vagivitta (Walker, 1866) Papua Indonesia

2 Chrysoscota auranticeps Hampson, 1900 New Guinea

3 Chrysoscota flavostrigata Bethune-Baker, 1904 Papua Indonesia

4 Chrysoscota brunnea (Swinhoe, 1905) Borneo , Sumatra, Thailand, Peninsular Malaysia 5 Chrysoscota albomaculata Rothschild, 1912 Papua Indonesia

6 Chrysoscota conjuncta (Rothschild, 1912) Papua Indonesia

7 Chrysoscota tanyphara Turner, 1940 Australia

8 Chrysoscota cotriangulata Holloway, 2001 Borneo , Sumatra, Java, Thailand, Cambodia, Peninsular Malaysia 9 Chrysoscota kimsuni Bayarsaikhan & Bae , sp. n . Cambodia

Figures

FIGURES 1 – 3. Adults of Chrysoscota. 1 a. C. kimsuni sp. n., male, Samkos, Cambodia; 1 b. ditto, female, Kep, Cambodia; 2 a. C. cotriangulata, male, Cardamom, Cambodia; 2 b. ditto, female, Cardamom, Cambodia; 3 a. C. brunnea, male, Peninsular Malaysia; 3 b. C. brunnea, female, Peninsular Malaysia.