628 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [Bull. 



°P. mellipes Say. , 

 °P. caliptera (Cresson). 

 Found in the neighboring states. 



P. architecta (Say). 



According to Walsh this species makes a nest of clay, forming 

 an irregularly cylindrical cell which is provisioned with spiders. 



Recorded from Connecticut and probably collected at 

 Farmington. 



Ageniella Banks. 

 Key to Species. 



Pronotum with white marks , calcarata 



Pronotum without white marks iridipennis 



A. calcarata (Cresson). 

 Legs pale ; calcaria white ; length 6-7 mm. 

 The type material, in part at least, in all probability came 

 from Farmington through Mr. Edward Norton. 



A. iridipennis (Cresson). 



Wings hyaline, iridescent, dusky at tip ; calcaria whitish ; body 

 all black ; legs black, except anterior tibiae and tarsi beneath. 

 New Haven, 4 July, 1905 (H. L. V.). 



PEPSINI. 



Wings well developed. 



Key to Genera. 



Last joint of the hind tarsi without spines beneath; nervellus 

 before the cubitus Priocnemis p. 628 



Last joint of the hind tarsi distinctly spined beneath; nervellus 

 beyond the cubitus Cryptocheilus p. 629 



Priocnemis Schiodte. 

 Key to Species. 



1. Antennae partly yellowish nupera 



Antennae black 2 



2. Abdomen in part red 3 



Abdomen black 4 



3. Hind legs red; wings with a well defined cloud alienata 



Hind legs black; wings without a cloud notha 



4. Tibiae strongly serrate to tip; coxae very hairy; stigmal cloud 



indistinct or wanting conica 



Tibiae not strongly serrate near tip; coxae scarcely hairy; wings * ' 

 with a distinct stigmal cloud germana 



