Ypsolopha latiuscula, Jin, Qing, Wang, Shuxia & Li, Houhun, 2013

Jin, Qing, Wang, Shuxia & Li, Houhun, 2013, Review of the genus Ypsolopha Latreille, 1796 from China (Lepidoptera: Ypsolophidae), Zootaxa 3705 (1), pp. 1-91 : 29-30

Ypsolopha latiuscula sp. nov.

( Figs 24 , 75 , 124 , 171 )

Type material. Holotype: ♂, China, Mt. Xinglong, Yuzhong County (35°53′ N, 104°06′ E), Gansu Province, 2120 m, 30.vii.1993, coll. Houhun Li, genitalia slide No. L95031 . Paratypes: 1 ♀, same data as for holotype; 1 ♀, 2130 m, 1.viii.1993, other same data as for holotype; 1 ♀, 2178 m, 21.vii.2007, coll. Feng Yang & Hanguang Gao, same locality as for holotype; 1 ♀, Buerjin County (47°41′ N, 86°59′ E), Xinjiang Uygur Autonomous Region, 504 m, 21.vii.2007, coll. Xinpu Wang et al.

Diagnosis. This species can be easily separated from its congeners by the broad forewing with triangularly protruded apex and having several white and yellow patches on the distal half ( Fig. 24 ). Ypsolopha latiuscula is similar to Y. yangi Ponomarenko et Sohn in having a narrow valva in the male genitalia, but can be distinguished by the sparsely denticular anellus that is densely hairy on the distal half in the latter ( Fig. 120 ). Ypsolopha latiuscula is also allied to Y. flaviterminata sp. nov. in the female genitalia, but differs in the ductus bursae twisted near the corpus bursae ( Fig. 171 ), which is straight in the latter species ( Fig. 160 ).

Description. Adult ( Fig. 24 ): Wing expanse 23.5 mm. Head grayish white, grayish brown around eyes. Antenna grayish white, ringed with light brown on each flagellomere. Labial palpus gray; tuft of second segment twice length of labial palpus; third segment extremely short, concealed in tuft of second segment. Thorax and tegula gray except dark brown at base of tegula. Forewing extremely broad, apex triangularly protruded; R4 and R5 separated ( Fig. 75 ); yellowish brown, scattered with many erect black scales, pale yellowish brown between basal 1/3 of fold and basal half of dorsum; costa with a pale yellowish brown dot at middle, with a black dot below distal 1/7, with a diffused yellowish white patch on distal 1/4 extending to upper angle of cell, joined with yellow dot at distal 2/5 of cell by a narrow line; cell with a yellow dot at middle on end, with a black dot at upper angle of cell; black strip along median 1/3 of fold and on distal 1/4 of cell respectively; yellowish white strip arising from distal 1/3 of dorsum, extending to yellow dot at distal 2/5 of cell; two black dots placed on inside of termen above middle, three yellowish white dots along posterior half of termen, edged with three small black dots along inside; cilia grayish brown except whitish yellow below apex. Hindwing grayish brown; cilia concolorous with wing on basal half, pale gray on distal half. Foreleg grayish brown; mid- and hindlegs yellowish white, mixed with brown on outer surface, tarsi grayish brown on distal 1/3.

Male genitalia ( Fig. 124 ): Uncus degenerate. Socius slender, parallel-sided to pointed apex. Ventral plate of gnathos tongue-shaped. Valva narrow, straight along costa, rounded at apex. Saccus shorter than socius, dilated at apex. Anellus slender, sparsely denticular. Phallus slender, straight, about 1.5 times length of valva; coecum about 1/5 length of phallus, slightly dilated; cornuti about a quarter length of phallus, composed of two rows of microspines.

Female genitalia ( Fig. 171 ): Intersegmental membrane between papilla analis and 8th abdominal segment broad, 1/2 length of abdomen. Apophyses posteriores about twice length of apophyses anteriores. Lamella postvaginalis V-shaped. Antrum slender, nearly cup-shaped. Ductus bursae about 1.5 times length of corpus bursae, dilated and twisted near corpus bursae. Corpus bursae ovate; signum about 3/10 length of corpus bursae, ridged at middle, narrowed posteriorly.

Distribution. China (Gansu, Xinjiang).

Etymology. The specific epithet is derived from the Latin latiusculus, meaning broad, referring to the broad forewing.

Figures

FIGURES 19 – 25. Adults of Ypsolopha spp. 19. Y. acerella Ponomarenko et al., ♀; 20. Y. yangi Ponomarenko et Sohn, ♀; 21. Y. horridella (Treitschke), ♂; 22. Y. mucronulata sp. nov., holotype, ♂; 23. Y. bicostata sp. nov.: a. holotype, ♂, b. paratype, ♂; 24. Y. latiuscula sp. nov., holotype, ♂; 25. Y. purpurata sp. nov., paratype, ♀.

FIGURES 75 – 79. Wing venation of Ypsolopha spp. 75. Y. latiuscula sp. nov., paratype, slide no. JQ 07297 ♀ W; 76. Y. minuta sp. nov., a. paratype, slide no. XYL 03273 ♂ W, b. paratype, JQ 07283 ♀ W; 77. Y. allochroa sp. nov., paratype, slide no. JQ 07125 ♂ W; 78. Y. albiramella (Mann), slide no. L 93029 ♂ W; 79. Y. helva Sohn et Wu, slide no. JQ 07278 ♂ W.

FIGURES 123 – 128. Male genitalia of Ypsolopha spp. 123. Y. bicostata sp. nov., holotype, slide no. JQ 07232; 124. Y. latiuscula sp. nov., holotype, slide no. L 95031; 125. Y. purpurata sp. nov., paratype, slide no. JQ 07157; 126. Y. minuta sp. nov., holotype, slide no. JQ 07284; 127. Y. allochroa sp. nov., holotype, slide no. JQ 07362; 128. Y. albiramella (Mann), slide no. JQ 07341.

FIGURES 170 – 175. Female genitalia of Ypsolopha spp. 170. Y. bicostata sp. nov., paratype, slide no. JQ 07233; 171. Y. latiuscula sp. nov., paratype, slide no. JQ 07275; 172. Y. purpurata sp. nov., paratype, slide no. JQ 08020; 173. Y. minuta sp. nov., paratype, slide no. JQ 07228; 174. Y. allochroa sp. nov., paratype, slide no. JQ 07163; 175. Y. helva Sohn et Wu, slide no. JQ 07172.

FIGURES 117 – 122. Male genitalia of Ypsolopha spp. 117. Y. fascimaculata sp. nov., paratype, slide no. JQ 07282; 118. Y. scabrella (Linnaeus), slide no. JQ 07229; 119. Y. acerella Ponomarenko et al., slide no. JQ 08224; 120. Y. yangi Ponomarenko et Sohn, slide no. JQ 07290; 121. Y. horridella (Treitschke), slide no. JQ 07292; 122. Y. mucronulata sp. nov., holotype, slide no. FXM 07023.

FIGURES 158 – 163. Female genitalia of Ypsolopha spp. 158. Y. hebeiensis Yang, slide no. JQ 08217; 159. Y. leuconotella (Snellen), slide no. JQ 07260; 160. Y. flaviterminata sp. nov., paratype, slide no. JQ 07236; 161. Y. flavida sp. nov., paratype, slide no. JQ 07277; 162. Y. parallela (Caradja), slide no. JQ 07258; 163. Y. sarmaticella (Rebel), slide no. JQ 07227.