CATALOGUE OF INSECTS. 547 



usually much dilated or eularged posteriorly. The life cycle of these insects is 

 often very curious and parthenogenesis is of frequent occurrence. In some species 

 there is good reason to believe that males have been entirely eliminated. None 

 of the species are really harmful and few of them are notably beneficent. 



Family LVIII FIGITID-ffi. 



Sub-family 1 FIGITINvE. 



FIG-ITES Late. 

 T. canadensis Ashni. Canada, Long Island (Ashm). 



SOLENASPSIS Ashm. 

 S. armatus Say. "New Jersey" (Ashm). 



Sub-family II ONYCHIIN.Ii. 



ONYCHIA Hal. 

 O. provancheri Ashm. New York, Canada (Ashm). 

 Sub-family III ANAOHARIN.i:. 



ANACHARIS Dalm. 

 A. niarg'inata Prov. New York, Canada, Illinois I Ashm 



Sub-family V EUC(KLIN.E. 



ETJCCELA Westw. 



E. peclata Say. New Jersey district. 



E. stigmata Say. Jamesburg, VII, 15 (Sm). 



COTHONASPIS Ashm. 

 C. erythropus Ashm. Jamesburg, VI (Sm). 



PSILODORA Forst. 

 P. impatiens Say. Jamesburg, VII, 15 (Sm). 



Sul. -family VI A LLOTR1 1 N. I :. 



ALLOTRIA Westw. 



A. a vena? Fitch. New Jersey district. 



A. tritici Fitch. New Brunswick, VII, L<> (Sni). 



