Lecithocera serratiloba, Yu & Wang, 2024

Yu, Shuai & Wang, Shuxia, 2024, The genus Lecithocera (Lepidoptera: Lecithoceridae) from China, with descriptions of twenty-one new species, European Journal of Taxonomy 924, pp. 1-74 : 31-35

Lecithocera serratiloba sp. nov.

urn:lsid:zoobank.org:act:B2320993-25A8-46F1-A7E1-2F077BE0E01B

Figs 5A , 9A , 14A , 17H , 20F

Diagnosis

The new species is diagnostic in the male genitalia by the subtriangular cucullus with a semiovate concavity on the ventral margin, a horn-shaped posterior lobe of the juxta, which is serrate laterally, and in the female genitalia by the tongue-shaped signum about half the length of the corpus bursae.

Etymology

The specific epithet is derived from the Latin “ serrat -” and “- lobus ”, referring to the laterally serrate posterior lobe of the juxta in the male genitalia.

Type material

Holotype

CHINA – Hainan Province • ♂; Ledong County, Jianfengling, Tianchi ; 18º44′ N, 108º50′ E; 1050 m a.s.l.; 30 Apr. 2013; Y.H. Sun et al. leg.; slide no. YS18190; NKU.

Paratypes (19 ♂♂, 30 ♀♀)

CHINA – Hainan Province • 19 ♂♂, 29 ♀♀; same collection data as for holotype except 29–30 Apr. 2013; slide nos LSR11261 ♀, LSR13351 ♀, LSR13352 ♂, LSR14024 ♂, YS18188 ♀, YS19172 ♀, YS18188 ♀, YS18189 ♀, YS19171 ♂; NKU • 1 ♀; Jianfengling ; 940 m a.s.l.; 6 Jun. 2007; Z.W. Zhang and W.C. Li leg.; slide no. LSR11261 ; NKU .

Description

ADULT ( Figs 5A , 9A ). Wingspan 9.5–12.0 mm. Head dark yellowish brown. Antenna creamy white. Labial palpus yellowish brown; third palpomere slightly longer than second palpomere. Thorax and tegula dark yellowish brown. Forewing with costal margin almost straight except slightly arched basally, apex produced, termen oblique; ground colour yellowish brown; markings blackish brown: discal stigma small; discocellular stigma oblong; apex with blackish brown spot; fringe yellowish brown in basal half, blackish brown subterminally, pale brownish yellow terminally; R 3 close to R 4+5 at base, R 4 and R 5 stalked for about 3/5 length of R 5, R 5 to termen, M 2 and M 3 subparallel, CuA 1 and CuA 2 short-stalked. Hindwing grey; fringe pale yellow tinged with greyish brown; M 3 and CuA 1 stalked for about ⅓ length of M 3.

MALE GENITALIA ( Fig. 14A ). Uncus large U-shaped, longer than median process of gnathos, triangularly produced on anterior margin; caudal lobe horn-shaped, with dense setae. Gnathos with basal plate rectangular; median process broad in basal 2/5, narrowed to distal ⅓, then slender to pointed apex, curved ventrad preapically by right angle. Valva broad basally, narrowed to cucullus; cucullus shorter than half length of valva, subtriangular, narrowed from middle to bluntly rounded apex, straight on costal margin, densely setose, with semiovate concavity beyond middle on ventral margin; costal bar slender, angled at middle; sacculus taenioid, wide at base, narrowed to cucullus. Vinculum broad; saccus subtriangular with blunt anterior margin. Juxta shield-shaped, with denticle at middle below posterior margin, semicircularly produced at middle on anterior margin; posterior lobe large, horn-shaped, slightly shorter than juxta, serrated laterally. Aedeagus slightly longer than valva, wide at base, gently narrowed toward apex, nearly straight, without dorsal denticle, with numerous granules in vesica; cornuti consisting of two horns at basal ⅓ and before apex, respectively.

SEVENTH ABDOMINAL STERNITE ( Fig. 17H ). Anterolateral rib thin and curved, reaching to before posterior margin of sixth abdominal sternite; posterolateral lobe subtriangular.

FEMALE GENITALIA ( Fig. 20F ). Eighth abdominal sternite concave at middle on posterior margin.Apophyses posteriores about 3 times as long as apophyses anteriores. Lamella antevaginalis slightly sclerotized and semicirclular. Antrum sac-like, membranous. Ductus bursae slightly longer than corpus bursae, narrow in posterior ⅓, broad and with sparse conic spines in anterior ⅔, granulose anteriorly; ductus seminalis arising from middle of ductus bursae, slender. Corpus bursae elliptical, granulose; signum large, tongue-shaped, longer than half length of corpus bursae, densely denticulate, with longitudinal median furrow.

Distribution

China (Hainan).

Figures

Fig. 5. Adults of species of Lecithocera Herrich-Schäffer, 1853, all paratypes (NKU), dorsal view. A. L. serratiloba sp. nov., female. B. L. tenuextrema sp. nov., male. C. L. tumicuculla sp. nov., male. D. L. yunnanensis sp. nov., female. Scale bars =2.0 mm.

Fig. 9. Wing venations of species of Lecithocera Herrich-Schäffer, 1853, all paratypes (NKU). A. L. serratiloba sp. nov., female, slide no. LSR11261. B. L. tenuextrema sp. nov., male, slide no. LSR12079. C. L. tumicuculla sp. nov., female, slide no. YS18084. D. L. yunnanensis sp. nov., male, slide no. YS19620. Scale bars =2.0 mm.

Fig. 14. Male genitalia of species of Lecithocera Herrich-Schäffer, 1853 (NKU). A. L. serratiloba sp. nov., paratype, slide no. LSR14024. B. L. tenuextrema sp. nov., holotype, slide no. LSR13405. C. L. tumicuculla sp. nov., paratype, slide no. YS18085. D. L. yunnanensis sp. nov., paratype, slide no. YS19616. Scale bars =0.5 mm.

Fig. 17. Male seventh abdominal sternite of species of Lecithocera Herrich-Schäffer, 1853 (NKU). A. L. neosticta Meyrick, 1918, slide no. LSR13344.B. L. nullisigna sp. nov., holotype, slide no.YS19467. C. L. orbiculata Park, 2010, slide no. LSR13465. D. L. parviflava sp. nov., holotype, slide no. YS19645. E. L. parvispinea sp. nov., paratype, slide no. LSR11259. F. L. sichuanensis sp. nov., holotype, slide no. YS19028. G. L. rubigona Park, 2006, slide no. YS19753. H. L. serratiloba sp. nov., paratype, slide no. LSR14024. I. L. tenuextrema sp. nov., holotype, slide no. LSR13405.J. L. tumicuculla sp. nov., paratype, slide no. YS18085. K. L. yunnanensis sp. nov., paratype, slide no. YS19616. Scale bars =0.5 mm.

Fig. 20. Female genitalia of species of Lecithocera Herrich-Schäffer, 1853, all paratypes (NKU). A. L. medogensis sp. nov., slide no. YS19703. B. L. neosticta Meyrick, 1918, slide no. YS19581. C. L. nullisigna sp. nov., slide no. YS19468. D. L. orbiculata Park, 2010, slide no. ZMR10278. E. L. sichuanensis sp. nov., slide no. YS19585. F. L. serratiloba sp. nov., slide no. LSR13351. Scale bars =0.5 mm.