No. 22.] HYMENOPTERA OF CONNECTICUT. 287 



edge of abdomen; face mostly yellowish brown, fore 

 and mid coxae stramineous waccagum 



T. morio (Fabricius). Exochilum mundum (Say). Howard, 

 Insect Book, PI. x, Figs. 13, 14. 



Hosts: {Pyrantels) Vanessa cardui, (Papilio) Iphidicles 

 ajax, Zerene centenaria. 



New Haven, 20 July, 1904 (B. H. W.) ; Branford, 28 June, 

 1, 5, and 7 July, 1905 (H. W. W.). 



T. fuscipenne Norton. 

 *T. tenuipes Norton. 

 T. nigrovarium Brulle. 

 *T. sassacus Viereck (new species). 

 Type locality: Windsor, 26 July, 1905 (W. E. B.). 



*T. waccagum Viereck (new species). 

 Type locality: North Haven, 3 August, 1905 (B. H. W.). 



Thyreodon Brulle. 



T. brullei (new name). T. morio Authors, not Fabricius. 

 Howard, Insect Book, PI. x, Fig. 15. 



In size and color almost exactly like Heteropelma flavicorne ; 

 face mostly yellow in the male. Parasitic on Sphinx coniferarum. 



New Haven, 20 July, 1903 (B. H. W.) ; North Haven, 3 Au- 

 gust, 1905 (H. L. V.). 



Ophion Fabricius. 

 Key to Species. 



1. Cubitodiscoidal cell uniformly membranous 2 



Cubitodiscoidal cell with thickenings in form of glabrous- 

 spots or areas on its membrane 6 



2. Wings hyaline 3 



Wings deep brown; body brownish stramineous, except ab- 

 domen, which is mostly brownish slossoni 



3. Length 16 mm 4 



Length 25 mm.; stramineous to brownish stramineous ..macrurus 



4. Body stramineous to pale brownish stramineous; wings col- 



orless or nearly so 5 



Body reddish or dark brownish stramineous; wings yellowish, 

 tinted with brown bifoveolatus 



5. Propodeum with one large enclosed area on its posterior 



aspect, or with more than one, but differing from tityri 



bilineatus 

 Propodeum with a number of quadrangular areas on poste- 



