Promalactis thiasitis Meyrick, 1908

Wang, Shuxia, Liu, Chen & David, Lees, 2024, Partial revision of Promalactis Meyrick (Lepidoptera: Oecophoridae), based on specimens deposited in the Natural History Museum, London, Zootaxa 5536 (1), pp. 1-58 : 56

Promalactis thiasitis Meyrick, 1908

( Fig. 84 )

Promalactis thiasitis Meyrick, 1908: 807: 26 . TL: Sri Lanka. TD: NHMUK.

Material examined. Sri Lanka: 1♀, Kandy, Ceylon, 6-09, Walsingham Collection, BM 1910-427, slide No. NHMUK010316985 .

Female genitalia ( Fig. 84 ). Apophyses anteriores about 1/2 length of apophyses posteriores. Eighth sternum rectangular, sparsely setose on posterior margin. Lamella postvaginalis sub-quadrate, concave at middle on both posterior and anterior margins, spinulate. Lamella antevaginalis broad lunate in shape, concave medially on posterior margin, produced posterolaterally. Ductus bursae membranous, with three short spines medially. Corpus bursae elongate elliptical, spinulate, slightly shorter than ductus bursae; singum absent.

Distribution. Sri Lanka.

Note. Meyrick described this species based on a female and he described the superficial characters of the adult forewing. The female genitalia are described for the first time.

Figures

FIGURES 79–84. Female genitalia of Promalactis spp. 79. P. similidierli sp. nov.; 80. P. latignatha; 81. P. vulvida; 82. P. circulignatha; 83. P. clinometra; 84. P. thiasitis. Scale bar: 79 = 0.25 mm; 80–84 = 0.2 mm.