174 

 Male genitalia with median lobe weakly arched, apically 



rounded; internal sac without noticeable sclerotized 



structures; flagellum long and thick, apex flared, length = 



1.6 x median lobe length (Fig. 106a); base of flagellum 



straight and swollen, sclerite at base elongate, claw-shaped 



(Fig. 106b-d) (3 dissected) . 



Female genitalia with spermathecal head elongate, 

 kidney-shaped; tail narrow, looped (Fig. 106e) (3 

 dissected) . 



Presence of stridulatory files on occipital region of 

 head unknown (heads retracted) . No consistent sexual 

 difference was observed in the presence or absence of 

 prosternal punctures. 



Variation . A specimen (Fig. 63) from Oaxaca, Mexico, 

 is similar to the description above, even in the genitalic 

 characters. It differs in having the head mostly orange, 

 elytral suture with small subapical spot, free subhumeral 

 spot, minute humeral spot, scutellar spot not connected to 

 the base, and prosternum slightly longer than wide. 



Type . The holotype (by monotypy) of Ischyrus pictus 

 Gorham label data: "/ [red circle on white paper] Type/ 

 Type, sp . figured/ San Juan, Vera Paz., Champion/ Ischyrus 

 pictus Gorh/ B.C. A., Col., VII, Ischyrus/" [NHML, studied]. 

 Sex not determined. Gorham (1887) stated that the type 

 locality is in Guatemala. 



