95 



Presence of stridulatory files on occipital region of 



head unknown (heads retracted) . Prosternal sexual 

 dimorphism present but not constant. Males lack punctures 

 in front of procoxae. Some females have foveate punctures 

 on prosternum in front of procoxae, others apparently lack 

 punctures . 



Variation . Ischyrus auriculatus (Panama, Trinidad, 

 Ecuador, Venezuela, Brazil) has lateral orange mark of 

 pronotum restricted to anterior angle (Fig. 56) . Ischyrus 

 bellopictus (Mexico, Peru, Bolivia) has the lateral orange 

 mark of the pronotum broadly connected with the base and 

 connected to the lateral margin from the anterior angle 

 nearly to the posterior angle (Fig. 57) . Ischyrus 

 auriculatus var. "hamatus" (Argentina, Bolivia) is identical 

 to I. auriculatus and I. bellopictus, except it is 

 intermediate in the size of the orange lateral pronotal 

 marking. 



Type . The lectotype (here designated) of Ischyrus 

 auriculatus Lacordaire label data: "/ [blue paper] Type / 

 Type auriculatus Ch./ [red] LECTOTYPE Ischyrus auriculatus 

 Lacordaire des . P .E . Skelley 1993/" [CUMZ, studied]. Sex not 

 determined. Lacordaire stated the type locality is 

 "Cayenne" . 



The lectotype (here designated) of Ischyrus bellopictus 

 (Kuhnt) label data: "/ [hand written] Motzor ./ 104629/ 

 [orange] Typus/ [pale green with black border, folded] 

 Episcaphula bellopicta Kuhnt/ Zool .Mus .Berlin/ [red] 



