the Coleopterous Family Erotylidw. (49) 425 



Megischyrus decempunctatus. 



Tschyrus 10-punetatus, Guer. R. Z. 1841, 154. 



, Lac. Erot. 99. 



Bolivia, Guarayos. 



Megischyrus semitinctus.* 



Ischyrus semitinctus, Er. Arch. f. Nat. xiii. 180 (1847). 



Megischyrus KnochiL 



Ischyrus Knochii, Lac. Erot. 100, 

 Bolivia. 



Megischyrus discipennis. 



Ischyrus discij)ennis, Lac. Erot. 101. 



Megisc/iyrus , Crotch, Cist. Ent. 143. 



Mexico, Nicaragua (Janson). 



Megischyrus sicarius. 



Ischyrus sicarius, Lac. Erot. 101. 

 j)erizo)mtus, Lac. Erot. 103. 



Brazil (?), Columbia. 



The variety 2^^^'^^onaius has the thorax ferruginous with five 

 black spots; and I have a variety in which the thorax has a 

 central black vitta and a black dot on each side. 



Megischyrus zonalis. 



Ischyrus zomdis, Lac. Erot. 102. 



Var. lineolatus: elytris plaga nigra lineola rubra eontinente. 



Bolivia, Guarayos, Amazons (Bates). 



Megischyrus circumscriptus. 



Erotylus circumscHiytus, Dup. Erot. 41. 



Ischyrus • , Lac. Erot. 102, 



Brazil. 



This is possibly an opaque form of M. zonalis. 



Megischyrus lineatus. 



Ischyrus lineatus, Lac. Erot. 104. 



granimistes, Lac. Erot. 104. 



Rio Janeiro, Goyaz. 



I cannot see that J/, grammistes differs essentially from 3f. 

 lineatus, no two specimens of the latter ai-e precisely alike. 



G G 



