91 

 Specimens examined . The 2 types and 5 specimens, 



representing 5 collection records, were studied. Label 



data: Panama, Canal Zone, Barro Colorado Island, 15-27-V- 



1972, T. Erwin, 9°10'N, 79°50'W, at light [1, USNM] ; same 



data, 10-VII-1973 [1, USNM]; same locality, 18-28-IV-1964 , 



W. D. Duckworth [1, USNM]; same data, 10-17-V-1964 [1, 



USNM]; Panama Prov., Las Cumbres, 26-VI-1975, H. Wolda [1, 



OSUC] . 



Distribution . Known only from Panama and Colombia 

 (Fig. 84) . 



Etymology . angularis: Latin = having angles. Possibly 

 named for the oblique angled apical spot on the elytra, 

 commented on by Lacordaire in the original description. 



Taxonomic Note . No differences were found between the 

 types of I. angularis Lacordaire, from Colombia, and I. 

 quinquepunctatus Gorham, from Panama. Ischyrus 

 quinquepunctatus Gorham is here synonymized under I. 

 angularis Lacordaire. 



A lectotype was chosen for I. angularis because 

 Lacordaire made no indication that only one specimen was 

 seen. The specimen chosen is from the Oberthur collection, 

 which contains specimens reported to have been studied by 

 Lacordaire. This specimen fits the original description 

 both in label data and morphological characteristics. 



Remarks . The color pattern of 2 free and 3 basal 

 pronotal spots is much like the patterns of I. pictus and I. 

 episcaphulinus . These species have free apical elytral 



