164 

 Gemminger & Harold 1876:3690; Guerin-Meneville 1829- 



1838 [1844] :310; Kuhnt 1909:62; 1911:42. 



Ischyrus gratiosus Guerin-Meneville: Blackwelder 

 1945:465; Crotch 1876 : (55) 431 ; Gemminger & Harold 1876:3690; 

 Kuhnt 1909:62; 1911:42. 



Ischyrus insolens Cr otch 



Ischyrus insolens Crotch 1876:53(429). 



Diagnosis . Characterized by having 4 free pronotal 

 spots in a transverse row, large anterior pronotal spots, a 

 spot at each pronotal hind angle (often reduced) , no basal 

 pronotal spots, and central elytral band transversely 

 divided by orange marking. 



Description . Length: 7.3-8.5 mm; Width: 3.7-4.4 mm. 

 Body elongate, widest at basal third of elytra; weakly 

 microreticulate, shiny; yellow and red with black markings 

 (Fig. 28) . 



Head solid black or red with basal black spot. 

 Pronotum with 2 anterior spots, connected to each other and 

 anterior margin; 4 free spots forming transverse arch, 

 anteriorly concave, 2 central spots located at basal third 

 (rarely touching base) , 2 lateral spots at pronotal half; 

 hind angle with spot, reduced in Central American specimens. 

 Scutellum dark red with black edge. Each elytron pale 

 yellow becoming red near suture; epipleural fold basally 

 black or pale brown; scutellar and humeral spot connected 

 basally (disrupted by pale marking on specimen from 

 Paraguay) ; central band transversely divided by red marking; 



