Gargela minuta, Song, Shimei, Chen, Fuqiang & Wu, Chunsheng, 2009

Song, Shimei, Chen, Fuqiang & Wu, Chunsheng, 2009, A review of the genus Gargela Walker in China, with descriptions of ten new species (Lepidoptera: Crambidae, Crambinae), Zootaxa 2090, pp. 40-56 : 55

Gargela minuta sp. nov.

Figs. 12 , 24

External characters. Wing span 11mm. Head white; frons pale fuscous; labial palpi white and upturned. Forewing silvery white, medial line pale fuscous, from middle of costa to discocellulares, then bent to inner margin; submarginal pale fuscous, from costa to vein M1 then bent inwards to anal angle; marginal area suffused with orange-yellow longitudinal fasciae along the veins and a black spot between M3 and Cu1; a pale fuscous marginal line from apex to middle of outer margin; cilia silvery white. Hindwing white; cilia white.

Male genitalia. Uncus strong, the apex pointed, ventral with a tuft of thick setae; gnathos tapering pointed, slightly curved to dorsal; tegumen triangular, elongate; valva narrow, protruding at apex, costal arm strong, the same length as valva, apart from valva, the middle of costal arm raised a blunt spine-like process, the apex of costal arm strong pointed; juxta plate-like, apically with two papillate processes; aedeagus elongate, without cornutus.

Holotype. SHYC: 3, Taiwan, Lanyu Is. (22.03ºN, 121.55ºE), 270m, 2008. IV.5, leg. Chen Fuqiang (genital slide number C1700).

Distribution. China ( Taiwan).

Remarks. This species is similar to G. xizangensis sp. nov. in external characters, but different in male genitalia by the shape of costal arm and cornuti.

Etymology. The name is derived from the Latin “ minutus ”, corresponding to the minute size of adults.

Figures

FIGURES 7 – 12. Adults. 7, G. xizangensis sp. nov., holotype, male; 8, G. albidusa sp. nov., paratype, female; 9, G. distigma sp. nov., holotype, male; 10, G. fu rc a sp. nov., holotype, male; 11, G. fuscusa sp. nov., holotype, male; 12, G. minuta sp. nov., holotype, male.

FIGURES 19 – 24. Male Genitalia (a: aedeagus). 19, G. xizangensis sp. nov.; 20, G. albidusa sp. nov.; 21, G. distigma sp.