A Review Of The Genus Homoneura From Guangxi, China (Diptera: Lauxaniidae) Author Gao, Caixia Author Yang, Ding text Raffles Bulletin of Zoology 2004 52 2 351 364 journal article 10.5281/zenodo.4619516 2345-7600 A669EF2EFFFBFFECFF866F3DFFC7FFE4 4619516 Homoneura (Homoneura) cornuta Sasakawa, 2001 ( Figs. 13-18 ) Homoneura cornuta Sasakawa, 2001: 85 . Type locality – Viet Nam . Material examined. – 1 male , 1 female , Guangxi : Longsheng , Hongtan , 25 Jun.1986 , Jikun Yang ( CAU ) . Diagnosis. – W ing with 5 brown spots on tip of R 2+3 to M 1+2 , r-m and m-m, but spot on m-m disappeared gradually backward. Redescription. – Body length 5.7 mm (male) or 5.8 mm (female), wing length 5.9 mm (male) or 6.7 mm (female). Head yellow, with yellow dust. Frons about as wide as long, parallel-sided; ocellar triangle pale brown; oc as long as anterior or; face without spot; cheek about 1/8 height of eye. Antenna yellow brown; 3rd segment 1.6 times as long as wide; arista black except testaceous base, with longest hairs as long as width of 3rd antennal segment. Proboscis yellow brown, with black and yellow hairs; palpus yellow, with black hairs. Thorax yellow, with yellow dust. 0+3 dc, 8 rows of acr, prsc longer than 1st post-sutural dc. Legs yellow. Fore femur with 4 posterior ventral bristles, 7 posterior dorsal bristles, and ctenidium with 14 short bristles. Mid femur with 4 anterior bristles, mid tibia with 3 spurs. Wing pale yellow, with 5 brown spots on tip of R 2+3 to M 1+2, r-m and m-m; costa with 2nd, 3rd and 4th sections in proportion of 10:3:2; r-m slightly behind middle of discal cell; ultimate section of M 1+2 1.4 times as long as penultimate; ultimate section of M 3+4 about 1/7 of penultimate. Halter yellow to brown. Abdomen testaceous, with dense white dust; tergites 5-6 with black spot apically. Male genitalia ( Figs. 14-18 ): Protandrium forming a sclerotized band with a ventral segment, without setulae around spiracle ( Fig. 15 ); surstylus on epandrium with 3 acute processes; hypandrial apodemes small, gonopod bifurcate apically; aedeagus with deep apical incision ( Fig. 18 ). Distribution. – China ( Guangxi ); Vietnam . New to China .