No. 22.] HYMENOPTERA OF CONNECTICUT. 355 



Dorsal abdominal segments second to fourth, sometimes in- 

 cluding fifth, narrowly black at base. Length 14-15 mm. 



volens 



61. Abdomen above entirely reddish; mesothorax reddish, rest 



of thorax mostly reddish, hind femora reddish; head black 



and yellow. Length 7.5-9 mm utilis 



Abdomen above mostly reddish; basal margin of segments 

 more or less black; head and thorax reddish, except pleurae 

 which are generally black beneath; gastrocceli deep, fovei- 

 form; postpetiole scratched. Length 12.5-15 mm longulus 



62. Abdomen above black or blue, immaculate; legs black or 



blue and white; scutel pale; face more or less white 63 



Abdomen above black and reddish; second, third, and some- 

 times base of fourth segment, more or less reddish; scutel 

 pale, hind legs black; coxae, tibiae and tarsi varied with 

 white. Length 15 mm electus 



63. Abdomen black, at least above. Length 15-17.5 mm ultus 



Abdomen blue-black, at least above. Length 14-15 mm. 



stadaconensis 



*A. (Chasmias?) pequoitorum Viereck (new species). 

 Type locality: Putnam, 12 July, 1905 (H. L. V.). 



°A. (C.) orpheus (Cresson). 



°A. (C.) saucius (Cresson). 



*A. (C?) nigratoricclor Viereck (new species). 

 Type locality: Branford, 19 September, 1904 (H. W. W.). 



A. (Stenichneumon?) malacus (Say). Howard, Insect 

 Book, PI. ix. Fig. 16. 



Occurs throughout the state. Branford, 19 July, 1905 (H. 

 W. W.) ; North Branford, 16 November, 1912 (H. B. Kirk). 



*A. (S.?) cinctitarsis (Provancher). 



A. (S.?) cincticornis (Cresson). 

 Occurs all over the state. 



A. (S.?) flavicornis (Cresson). 



On the wing in June and July, throughout the state. 



A. (S.?) otiosus (Say). 

 Scotland, 15 July, 1904 (B. H. W.). 

 A. (S.?) ormenus (Cresson). 

 New Haven (A. E. V.). 



A. (S.?) centrator (Say). Howard, Insect Book, PI. ix. 

 Fig. 14, as Ichneumon curtator (typographical error). 



