Macrobathra nomaea Meyrick, 1914

Kim, So-Yeon, Sinev, Sergey Yu. & Byun, Bong-Kyu, 2024, Description of a new species and two new records of the family Cosmopterigidae (Lepidoptera) from Korea, Zootaxa 5496 (4), pp. 588-594 : 592

Macrobathra nomaea Meyrick, 1914

( Figure 3 , 6, 6a, 7, 7a )

Macrobathra nomaea Meyrick, 1914: 217 . Type locality: Ceylon, Colombo, Peradeniya. Type depository: NHMUK.

Material. KOREA: GG, 1#, Mt. Kalbong , 9 vii 2011, leg. B.W. Lee, genitalia slide no. HNUSEL-6192 ( HNUSEL) ; 1#, Lake Yuklim , 16 vii 2015, leg. S.Y. Park, genitalia slide no. HNUSEL-5944 ( KNAE) ; 1 f#, Lake Yuklim , 6 vii 2017, leg. Lee, Rho, Shin, Shon & Choi, genitalia slide no. HNUSEL-5943 ( KNAE) ; 1 m #, Gwangju-si , 21 vi 2018, leg. B.K. Byun, genitalia slide no. HNUSEL-6497 ( HNUSEL) ; CN, 1 f#, Mt. Yeonmi , 11 vii 2015, leg. B.K. Byun, genitalia slide no. HNUSEL-5968 ( HNUSEL) ; US, 4 f#, Ulju-gun , 25 vii 2018, leg. B.K. Byun, genitalia slide nos. HNUSEL-5896, 5945, 5966, 5967 ( HNUSEL) ; 2 f#, Ulju-gun , 25 vii 2018, leg. D.S. Kim, genitalia slide nos. HNUSEL-6503, 6504 ( HNUSEL) .

Description ( Fig. 3 ). Wingspan 9–11 mm. Head covered with smooth yellowish scales.Antenna blackish brown; scape with scattered yellowish scales; flagellum with yellowish rings. Labial palpus long and curved upwards, yellowish, apex with dark brown scales. Thorax blackish brown. Legs dark brown with white rings. Forewing blackish brown; antemedian lemony cream line wide; three lemony cream dots at 1/2 and 5/6 of costal margin and 2/3 of dorsal margin; cilia whitish brown to dark brown. Hindwing pale fuscous; cilia pale brown. Abdomen shining dark fuscous.

Male genitalia ( Fig. 6, 6a ). Brachia elongated triangular, symmetrical and heavily sclerotized. Valvae short, asymmetrical, with few elongated setae; left valva shorter, thicker, and slightly more sclerotized. Vinculum slightly sclerotized. Saccus 2 times the length of the right valva, slender. Aedeagus thick and long, 2/3 the length of saccus.

Female genitalia ( Fig. 7, 7a ). Papillae anales long and rounded, setose. Sterigma long and parallel-sided, well sclerotized. Ductus bursae rather wide; ductus seminalis wide and short. Corpus bursae oval, with two symmetrical, hook-shaped and strongly sclerotized signa.

Distribution. Korea (new record), China ( Zhang & Li 2023), Russia ( Sinev 2019), Sri Lanka, India, Nepal, Pakistan.

Biology. Bred from refuse lodged in a fork of Tamarindus indica ( Fabaceae ); no doubt the larva fed on the leaves as usual in the genus ( Fletcher 1920). Probably can develop on other fabaceous plants as well.

Figures

FIGURES1–3.Adults.1, Anatrachyntis koreana sp.nov., Holotype;2,Anatrachyntis ptilodelta(Meyrick, 1922);3, Macrobathra nomaea Meyrick, 1914.

FIGURES 4–7. Male and female genitalia. 4, Anatrachyntis koreana sp. nov., male, Holotype(HNUSEL-6756); 5, Anatrachyntis ptilodelta (Meyrick, 1922), male (HNUSEL-6754); 6, Macrobathra nomaea Meyrick, 1914, male (HNUSEL-6497); 6a, ditto, aedeagus; 7. Ditto, female(HNUSEL-5943); 7a, ditto, ductus bursae and corpus bursae. Scale bars: 0.5mm