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 



