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Classification
Lygistorrhina barrettoi Lane, 1946
Lygistorrhina barrettoi (after Lane, 1946)
Morphology:Female : — Head. Proboscis longer than the abdomen, dark brown, attenuated distally; clypeus brown; eyes as in L. coxata; antenna with blackish scape and torus, the flagellum dark brown; occiput blackish; ocelli large, quite removed from the eye margin, the median one smaller. Thorax. Mesonotum brown but with lighter markings, covered with short pilosity and small black setae which are longer over the roots of wings and on the prescutellar region; scutellum brown with eight marginal setae; postnotum yellowish brown; pleurae brown, the pleurotergite with a row of about ten setae on the posterior margin. Wing with the characters of L. coxata. Haltere yellowish. Legs. Anterior coxa yellowish and with antero inferior setae; middle and hind coxae light brown but slightly darker towards apex. Anterior and mid femora yellowish but gradually darker towards apex, the hind one yellowish but blackish beyond the middle. Fore tibia yellowish, middle one brown, the hind one also brown except the apical fourth which is blackish. Tarsi dark brown. Abdomen. First tergite mostly brown, second to fifth blackish, with narrow apical whitish bands , the others blackish; cerci elongate, reddish white.
Male: — Unknown.
Lygistorrhina barrettoi distribution
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