9§ ORDER COLEOPTERA. 



Pyroclii'oidac. 



Body narrowed in front, and flattened; neck distinct; thorax suborbicular ; antennse 

 rather longer than the head and thorax, pectinated in the males. 



Dendboides CANADENSIS (Lt.). ( Plate XXT, fig. 2.) 



Eyes very large, nearly meeting above and below, terminating sharply beneath and rounded 

 above : thorax rufous and punctured : elytra chestnut brown, glossy, beautifully 

 punctured and long, and larger than the abdomen ; antennse distantly pectinated. 



Genus PYROCHROA (Fab.). Canthakis (Lin.). 

 Antennse rather longer than the head and thorax, pectinated in the males : eyes distant. 



PVBOCHBOA FLABELLATA. ( Plate XXV, fig. 4.) 



Eyes in the males distant, but large : antennae; pectinated : head and thorax rufous : elytra 

 black or dark brown, finely punctured, and extending beyond the abdomen ; thighs 

 banded with rufous at both extremities ; antennse black, rufous at base ; last segment 

 of the abdomen brownish. 



Cantharidae. 



The cantkarides, or blistering flies used in medicine, are represented amongst us by the 

 allied genus Epicacta, having the same property of raising blisters. They are slender 

 8oft-bodied Insects, with slender legs, the prothorax narrowed before, and the head large. 

 ■Riey are at times abundant upon potato vines, whence they have acquired the name of 

 potato fly 1 particularly the Epicauta vittata : it attacks the potato, convolvulus, and other 

 plants, from June to September. It may, with the other species, be collected with a muslin 

 bag having the mouth attached to a hoop ; thrown into water to prevent escape, and 

 subsequently scalded and dried for the use of the druggist. 



Epicauta vittata. ( Plate V, fig. 14.) 



Oolor black : third joint of the antennse longest : front of the head marked by two black 

 kidneyform spots : thorax furnished with a small labial tubercle, and marked with 

 three fuscous strips, the two lateral ones obscure ; the middle of the thorax promi- 

 nent. Elytra margined all around with fuscous border, and marked in the middle with 

 a stripe of the same color : thighs fuscous at the articulation ; lower extremities and 

 tibise and tarsi black. Length six-tenths of an inch. 



