Gargela hainana Song, Chen & Wu, 2009, sp. nov.

Gargela hainana sp. nov.

Figs. 5, 17, 28

External characters. Wing span 13mm. Head white; labial palpi ochreous, upturned. Thorax white dorsally, the legs white. Abdomen yellowish, dorsally suffused with fuscous, the ventral white. Forewing silvery white, suffused with ochreous; medial line fuscous, from middle of costa to discocellulares, then bent to inner margin, the terminal of medial line expanding into a large black patch on middle of inner margin; submarginal line fuscous, from costa to vein M1 then bent inwards to anal angle; marginal area suffused with orangeyellow longitudinal fasciae along the veins and a black spot between M3 and Cu1; a black marginal line from apex to middle of outer margin; cilia silvery white, suffused with dark brown. Hindwing of male pale fuscous and female dark fuscous; cilia silvery white.

Male genitalia. Uncus strong, the apex pointed, ventral with a tuft of thick setae; gnathos tapering pointed, slightly curved to dorsal; tegumen triangular, narrow and elongate; valva with basal broad, protruding at apex; costal arm strong, longer than valva, apart from valva, the apex pointed and straight; juxta “V”- shaped, with two long lobe-like processes at apex; aedeagus simple, with a row of spine-like cornuti.

Female genitalia. Anal papillae weakly fused, with dense setae; apophysis posterioris about 1/2 the length of apophysis anterioris; ostium bursae slightly sclerotized, flask-shaped, with two round sclerotizad plates; ductus bursae long, swollen and little sclerotized at base; corpus bursae rounded, with two rhombuslike signa.

Holotype. IZCAS: 3, Hainan, Mt. Diaoluo (18.7ºN, 109.9ºE), 930m, 2007. XII.11, leg. Chen Fuqiang (genital slide number C1703).

Paratypes. IZCAS: 232Ƥ, Hainan, Jianfengling (18.7ºN, 108.9ºE), 828m, 2007. V.1–3, Chen Fuqiang (genital slide number C1661, C1662, C1683); 1Ƥ, Hainan, Jianfengling (18.7ºN, 108.9ºE), 916m, 2008. III.25, Wu Chunsheng; 1Ƥ, Hainan Jianfengling (18.7ºN, 108.9ºE), 1981. VIII.26, Gu Maobin (C1366); 1Ƥ, locality same as above, 1982. II.18, Lin Youdong (C1370); 131Ƥ, Hainan, Yingge Ling, Hongxin (19.1ºN, 109.5ºE), 434m, 2007. XII.3, Chen Fuqiang; 137Ƥ, Hainan, Mt. Diaoluo (18.7ºN, 109.9ºE), 930m, 2007. XII.11, Chen Fuqiang (C1693); 1Ƥ, Hainan, Limuling (19.2ºN, 109.7ºE), 656m, 2007. XI.30, Chen Fuqiang (C1694); 233Ƥ, Hainan, Mt. Wuzhi (18.9ºN, 109.7ºE), 727m, 2007. XII.6–9, Chen Fuqiang; 13, Hainan, 1980. IV.10. Zhang Baolin.

Distribution. China (Hainan).

Remarks. This species is very similar to G. renatusalis by external characters, but can be easily distinguished by genitalia: in male genitalia, this species with a row of spine-like cornuti in aedeagus, while G. renatusalis only with a long spine-like cornutus; in female genitalia, the shape of ostium bursae obviously different with G. renatusalis.

Etymology. The species is named after its type locality.