Thubana yingjingensis, Yu & Wang, 2025

Yu, Shuai & Wang, Shuxia, 2025, New species and new records of the genus Thubana Walker (Lepidoptera: Lecithoceridae) from China, with a checklist of the genus in the country, European Journal of Taxonomy 987, pp. 81-97 : 91-95

Thubana yingjingensis sp. nov.

urn:lsid:zoobank.org:act:42BDD196-46DA-4300-9AAE-0D2867AE8B5C

Figs 2D , 4D–E , 6C

Diagnosis

The new species is similar to Th. microcera Gozmány, 1978 in appearance and male genitalia. It can be distinguished by the quadrate juxta with a pair of posterolateral lobes, the cornuti consisting of some needle-like spines and a small sclerite; whereas in Th. microcera , the lobes of the ovate juxta arising from near the middle of the posterior margin, the cornuti consisting of a long band and a row of irregular spines ( Gozmány 1978: pl. 52 fig. 158; Park et al. 2022: pl. 82b).

Etymology

The specific epithet is derived from the name of the type locality.

Type material

Holotype

CHINA • ♂; Sichuan Prov., Yingjing County, Longcanggou ; 29°16′ N, 102°53′ E; 1405 m a.s.l.; 18 Jul. 2021; S. Yu et al. leg.; slide no. LCU198 ; NKU.

Paratypes

CHINA • 2 ♂♂, 3 ♀♀; same data as for holotype except dated 16‒18 Jul. 2021; slide nos. YUS172 ♂, YUS182 ♀, YUS183 ♀, YUS184 ♀, LCU195 ♂; NKU.

Description

Adult ( Fig. 2D )

Wingspan 20.5‒21.0 mm. Head dark brown, orange white along lateral sides. Antenna pale orange. Labial palpus brown, third palpomere slightly longer than the second palpomere. Thorax and tegula dark brown. Forewing with costal margin slightly arched, apex rounded, termen shallowly concave; ground colour dark brown; costal patch triangular, orange white, posteriorly narrowed and exceeding the upper margin of discal cell, situated at middle; fringe greyish brown, basal line orange white. Hindwing greyish brown, darker along veins; fringe greyish brown, basal line orange white.

MALE GENITALIA ( Fig. 4D‒E ). Uncus elongate triangular. Gnathos with basal plate rounded on posterior margin; median process wide at the base, narrowed to basal 3/5 where it is curved, thereafter abruptly narrowed to pointed apex. Valva wide basally, narrowed slightly toward cucullus; cucullus extending obliquely dorsad, about half length of valva, narrowed to rounded apex; costa concave in a semicircle; sacculus wide at the base, tapering to apex. Vinculum narrow; saccus triangular. Juxta quadrate, with a small process or protuberance at center; posterolateral lobe triangular. Aedeagus shorter than valva, straight, narrowed to blunt apex, bearing several denticles before apex on dorsal and ventral margins; cornuti consisting of a cluster of needle-like spines (sometimes deciduous) and a small denticulate sclerite.

FEMALE GENITALIA ( Fig. 6C ). Eighth abdominal sternite deeply concave in U shape forming two large posterolateral lobes. Apophyses posteriores slightly shorter than twice the length of apophyses anteriores. Antrum membranous, funnel-shaped. Ductus bursae longer than corpus bursae, twisted; ductus seminalis slightly narrower than ductus bursae, arising from ductus bursae posteriorly near antrum. Corpus bursae elliptical; signum plate-shaped, denticulate.

Distribution

China (Sichuan).

Thubana yingjingensis sp. nov.

TL: China (Sichuan). TD: NKU .

Distribution. China (Sichuan).

Figures

Fig. 2. Dorsal habitus of Thubana spp. A. Th. quadrilatera sp. nov., holotype, ♂ (slide no. YS19773, NKU). B. Th. rongjiangensis sp. nov., holotype, ♂ (slide no. LCU009, LCU). C. Th. similidalgona sp. nov., holotype, ♂ (slide no. YS20211, NKU). D. Th. yingjingensis sp. nov., holotype, ♂ (slide no. LCU198, NKU). Scale bars = 2.0 mm.

Fig. 4. Male genitalia of Thubana spp. A. Th. quadrilatera sp. nov., holotype (slide no. YS19773, NKU). B. Th. rongjiangensis sp. nov., holotype (slide no. LCU009, LCU). C. Th. similidalgona sp. nov., holotype (slide no. YS20211, NKU). D. Th. yingjingensis sp. nov., paratype (slide no. LCU195, NKU). E. Th. yingjingensis sp. nov., holotype (slide no. LCU198, NKU). Scale bars = 0.5 mm.

Fig. 6. Female genitalia of Thubana spp. A. Th. porcata sp. nov., paratype (slide no. YS20300, NKU). B. Th. quadrilatera sp. nov., paratype (slide no. YS20294, NKU). C. Th. viriabilis sp. nov., paratype (slide no. YUS184, NKU). Scale bars = 0.5 mm.