226 



THE CANADIAN ENTOMOLOGIST. 



description of the species. One of these specimens was sent to Washing- 

 ton, D. C, where it was compared by Mr. Ashmead with a specimen of 

 P. insularis, determined by Cresson, and was found to agree. 



P. latitarsus, n. sp., also resembles P. cawpestris of Europe in 

 colour, but can be readily separated from it by the broader metatarsus 

 and the structure of the ventral side of the terminal abdominal segment. 



Fig. 9. 



Fig. 10. 



Fig. II. 



Fig. 12. 



Fig. 9. — Psiihyrus latitajsus, n. sp.; side view of terminal segment of 

 abdomen. 



Fig. 10. — Psitliyrus insular is, Smith; side view of terminal segment 

 of abdomen. 



leg. 



Fig. II. — Psithyrus latitarsits, n. sp.; tarsal segments of left hind 



Fig. 12. — Psithyrus i/isularis, Smith; tarsal segments of left hind leg. 



