Torodora xizangensis Yu et Wang, 2022

Yu, Shuai, Zhu, Yanmei & Wang, Shuxia, 2022, Eighteen new species and fifteen new records of the genus Torodora Meyrick (Lepidoptera: Lecithoceridae) from China, Zootaxa 5133 (1), pp. 1-39 : 20-21

Torodora xizangensis Yu et Wang , sp. nov.

( Figs 17 , 35 , 48 )

Type material. CHINA, Xizang [Tibet]: Holotype ♂, Dexing Village (29°19′N, 95°18′E), Motuo County, 833 m, 18.VIII.2017, leg. XF Yang & MJ Qi, slide No. YS 20386 . Paratypes (2♂ 59♀): 1♂ 7♀, same data as holotype, slide Nos.YS 20385 ♂, YS20387 ♀, YS20388 ♀; 1♂ 8♀, Beibengxiang , Motuo County, 780 m, 12.VIII.2003, leg. XP Wang & HJ Xue, slide Nos. ZYM06362 ♂, ZYM06364 ♀ ; 26♀, Beibengxiang , Motuo County, 810 m, 12‒15.VIII.2017, leg. XF Yang & MJ Qi, slide No. YS 20388 ; 6♀, Motuo County, 1100 m, 14.VIII.2003, leg. XP Wang & HJ Xue, slide Nos. YS 18072, ZYM06197, ZYM06363 ; 3♀, 108 K, Motuo County, 880 m, 16.VIII.2003, leg. XP Wang & HJ Xue, slide Nos. ZYM06359, ZYM06361 ; 3♀, Gelin Village , Motuo County, 894 m, 14.VIII.2017, leg. XF Yang & MJ Qi ; 2♀, Yadong Village , Motuo County, 833 m, 16.VIII.2017, leg. XF Yang & MJ Qi ; 1♀, 750 m, 1.VIII.2018, 2♀, 1016 m, 5.VIII.2018, 1♀, 2076 m, 9.VIII.2018, Motuo County, leg. XF Yang.

Diagnosis. This new species is similar to T. trigona Gozmány, 1978 superficially. It can be distinguished in the male genitalia by the cucullus extending straightly outward, the sacculus narrowed from base to apex, and the aedeagus strongly arched; in T. trigona , the cucullus extends obliquely dorsad, the sacculus is widened from base to apex, and the aedeagus is straight (Park et al. 2021: 9, fig. 23).

Description. Adult ( Fig. 17 ). Wingspan 10.5‒12.0 mm.

Head and antenna pale yellow. Labial palpus with second palpomere pale yellow, mixed with dark brown scales on inner margin, dark brown on outer margin; third palpomere pale yellow, as long as second palpomere.

Thorax pale yellow; tegula pale yellow except dark brown at base. Forewing with costal margin straight except slightly arched in basal 1/3, apex roundly produced, termen shallowly concave; ground color dark brown, mixed with pale yellow scales, with a black spot posterior to costal margin before middle; humeral spot small, black; costal spot pale yellow, situated at distal 1/5; discal stigma black, triangular, anteriorly narrowed and reaching anterior margin of discal cell, outer margin edged with pale yellow; discocellular stigmata black, doubled, rounded, edged with pale yellow, anterior one larger; subterminal line pale yellow, running from costal spot to dorsum, nearly parallel to termen, slightly sinuate, edged with dense black scales on inner margin; fringe pale yellow, with a blackish brown subbasal and a subterminal bands. Hindwing and fringe grey; fringe with a pale yellow basal line. Legs pale yellow except dark brown ventrally on femora and tibiae.

Male genitalia ( Fig. 35 ). Uncus wide at base, distinctly narrowed to middle, distal half slightly dilated, apex obtuse. Gnathos banded, concave on posterior margin forming a trapezoid, obtuse on anterior margin; mesial process absent. Valva broad basally, slightly narrowed to cucullus; cucullus longer than half length of valva, dilated elliptically, bearing dense strong needle-like setae ventrally and distally, apex broadly rounded; costa concave medially; sacculus wide at base, slightly narrowed to cucullus, straight ventrally. Vinculum narrow, rounded on anterior margin. Juxta subrounded, nearly straight on posterior margin, projected at middle on anterior margin; posterolateral lobe digitate, extending obliquely outward, slightly shorter than juxta, setose apically.Aedeagus about 3/4 length of valva, strongly arched, tubular in basal half, tapered from middle to apex, with a sclerotized tubular structure before apex, with a cluster of granules beyond middle; cornuti needle-like, deciduous.

Female genitalia ( Fig. 48 ). Eighth abdominal sternite triangularly incised at middle on posterior margin, forming two semiovate lateral lobes. Apophyses posteriores slightly shorter than twice length of apophyses anteriores. Antrum membranous, funnel-shaped. Ductus bursae longer than corpus bursae, coiled; ductus seminalis narrower, arising from posterior 1/3 of ductus bursae. Corpus bursae elliptical; with two signa, situated posteriorly: small one rounded, weakly sclerotized, denticulate; larger one elliptical, heavily sclerotized in posterior 1/3.

Distribution. China (Xizang [Tibet]).

Etymology. The specific epithet is derived from the type locality.

Figures

FIGURES 13‒18. Adults of Torodora spp. (dorsal view). 13. T. spectabilis sp. nov., paratype, female, slide No. YS20261; 14. T. stilliformis sp. nov., paratype, male, slide No. YS20117; 15. T. strigulosa sp. nov., holotype, male, slide No. LSR13240; 16. T. ventrimaculata sp. nov., holotype, male, slide No. YS20350; 17. T. xizangensis sp. nov., paratype, female, slide No. YS20387; 18. T. zhejiangensis sp. nov., paratype, female. Scale bars = 2.0 mm.

FIGURES 31‒36. Male genitalia of Torodora spp. 31. T. spectabilis sp. nov., holotype, slide No. YS20260; 32. T. stilliformis sp. nov., holotype, slide No. YS20116; 33. T. strigulosa sp. nov., holotype, slide No. LSR13240; 34. T. ventrimaculata sp. nov., holotype, slide No. YS20350; 35. T. xizangensis sp. nov., holotype, slide No. YS20386; 36. T. zhejiangensis sp. nov., holotype, slide No. YS20115; 36a. Enlarged posterolateral lobes of the juxta, slide No. YS20342. Scale bars = 0.5 mm.

FIGURES 46‒49. Female genitalia of Torodora spp. 46. T. spectabilis sp. nov., slide No. YS20261; 47. T. stilliformis sp. nov., slide No. YS20328; 48. T. xizangensis sp. nov., slide No. YS20387; 49. T. zhejiangensis sp. nov., slide No. YS20317. All paratypes. Scale bars = 0.5 mm.