Larnaca Walker 1869

Genus Larnaca Walker, 1869 Types species: Larnaca fasciata Walker, 1869. Key to species of Larnaca Walker, 1869 known from China 1 Tegmina micropterous................................................................................. 2 – Tegmina mesopterous.................................................................................. 8 2 Spiniform processes on male ninth abdominal tergite curved dorsally............................................ 3 – Spiniform processes on male ninth abdominal tergite curved ventrally........................................... 6 3 Spiniform processes on male ninth abdominal tergite longer than styli............................................ 4 – Spiniform processes on male ninth abdominal tergite shorter than styli............................. L. (L.) lincangensis 4 Posterior margin of female seventh abdominal sternite smooth.................................................. 5 – Posterior margin of female seventh abdominal sternite with a concavity in the middle................. L. (L.) emarginata 5 Posterior margin of male subgenital plate with a deep concavity in the middle........................ L. (L.) longispina – Posterior margin of male subgenital plate widely rounded convex................................... L. (L.) nigrifrons 6 Spiniform processes on male ninth abdominal tergite shorter than styli........................................... 7 – Spiniform processes on male ninth abdominal tergite longer than styli.................................. L. (L.) infolda 7 Tegmina squamous, reaching the anterior margin of first abdominal tergite.......................... L. (L.) xizangensis – Tegmina subovate, reaching the posterior margin of mesonotum.................................. L. (L.) nigrimargis 8 Veins on tegmina black, cells translucent................................................................... 9 – Tegmina with basal part entirely orange; veins black with cells translucent at apex................................. 12 9 Face not black....................................................................................... 10 – Face totally black..................................................................... L. (L.) rubiabdomina 10 Posterior margin of female seventh abdominal with a concavity in the middle..................................... 11 – Posterior margin of female seventh abdominal sternite smooth........................................ L. (L.) qianlei 11 Face totally black..................................................................... L. (L.) rubiabdomina – Face red when alive....................................................................... L. (L.) rufifronta 12 Styliform processes on posterior margin of female seventh abdominal sternite equal to the distance between them............................................................................................... L. (L.) nigrimacula – Styliform processes on posterior margin of female seventh abdominal sternite shorter than the distance between them............................................................................................ L. (L.) lieyongzhou