86 Mallophagan family Trimenoponidae 
Abdomen with the pleural plates well developed on the second to seventh 
segments, each with a few small setae. Tergal and sternal plates strongly 
developed each bearing a transverse row of as many as twenty-four setae of 
variable lengths. The genital region (Tig. 3 e) bears numerous small setae. 
Male. In general form and characters closely resembling the female. 
Length 1*2 mm. Genitalia (Fig. 4 c) with the basal plate quite long and 
moderately broad; parameres about a third as long as the basal plate, slender 
and tapering; pseudopenis large Y-shaped, attached to the vesicula penis, 
the walls of which are studded with small teeth. 
