424 (48) Mr. G. R. Crotch's Revision of 



Megischyrus Guatemalae, sp. n. 



Ater, subnitidus, oblongus, capite thoraceque subtiliter punc- 

 tulato, elytris tenue punctato-striatis, fasciis 3 e maculis alternis 

 conflatis sanguineis. L. 6| — 7 lin. 



Guatemala. 



Allied to M. mesonielas but witli the fascise well separated 

 from each other. 



Megischyrus catenulatus. 



Ischyrus catenulatus, Lac. Erot. 97. 

 Bolivia. 



Megischyrus Bogotse, sp. n. 



Ater, opacus, vix punctulatus, elytris tenuiter obsolete punc- 

 tato-striatis, fasciis 3 e maculis alternis conflatis ochraceis. L. 6 lin. 

 Bogota (Janson). 

 Very like M. Gucdemalce, but opaque, almost impunctate. 



Megischyrus catenatus, sp. n. 



M. catemdato simillimus, sed paulo nitidior, punctulatus, 

 elytris bifasciatis, lateribus baud rufis. L. 7 lin. 

 Amazons (Bates), Pebas, Ecuador (Buckley). 

 The Ecuador and Pebas specimens have the markings ochreous. 



Megischyrus sanguinolentus.* 



Ischyrus sanguinolentus, Lac. Erot. 97. 



Megischyrus -, Crotch, Cist. Ent. 143. 



Mexico, Yucatan (Chapuis), Nicaragua (Janson). 



This is very like M. catenatus, but differs in being opaque, 

 without visible punctuation 5 tlie markings differ a little, the 

 central fvscia especially is narrower. 



Megischyrus bellicosus. 



Ischyrus bellicosus, Lac. Erot. 98. 

 Brazil. 



Megischyrus semipunctatus. 



Erotylus semijyunctatus, Germ. Im. Sp. Nov. 612. 



Ischyrus , Lac. Erot. 99. 



Brazil, Rio Janeiro. 



