37 



Figure 17. Male genitalia of Ischyrus q. quadripunctatus 

 (Olivier), line = 0.66 mm; a.) internal sac inverted 

 as held within the body; b.) internal sac and 

 flagellum everted as during copulation; F = 

 flagellum, Is = internal sac, Ma = sclerite for 

 muscle attachment at anterior end of flagellum, Ml = 

 medial lobe, Ms = median strut. 



