124 

 Male genitalia with median lobe moderately arched, 



apically truncate, slightly constricted just before tip; 



internal sac without noticeable sclerotized structures; 



flagellum long and narrow, flattened and ribbon-like at 



basal 0.5, length = median lobe length (Fig. 90a); base of 



flagellum straight, sclerite at base claw-shaped (Fig. 90b- 



d) (4 dissected) . 



Female genitalia with spermathecal head oval, often 

 with top-knot; tail swollen, weakly curved like an inverted 

 question mark, "<:" (Fig. 90e) (4 dissected) . 



Presence of stridulatory files on occipital region of 

 head unknown (heads retracted) . Females have few weak 

 foveate punctures on prosternum in front of procoxa; males, 

 at most, with a couple of punctures near the procoxae. 



Variation . The color pattern was constant in all 

 specimens studied. 



Type . The lectotype (here designated) of Ischyrus 

 distinguendus Lacordaire label data: "/ Mexique/ 

 Distinguendus Lac./ Type/ Ex-Musaeo Mniszech/ [red] TYPE/ 

 [pale blue] Museum Paris ex Coll. R. Oberthur 1952/ [red] 

 LECTOTYPE Ischyrus distinguendus Lacordaire des . P .E . Skelley 

 1993/" [MNHN, studied] . Sex not determined. 



Specimens examined . The lectotype and 14 specimens, 

 representing 12 collection records, were studied (see 

 Appendix C for specific data) . 



Distribution . Known only from Veracruz, Mexico, and 

 Honduras (Fig. 94) . 



