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



Key to Subfamilies. 



1. Claws of hind tarsi bent at right angle; antennae inserted well 



above clypeus; spiracle situated in a depression and open- 

 ing forward labrum exserted for its entire length; pro- 



podeum bilobed at base Ceropalin^e p. 626 



Claws of hind tarsi not bent at right angle; propodeal spiracle 

 not in a depression and not opening forward 2 



2. Labrum exserted for its entire length; propodeal spiracle 



situated nearly twice its length from anterior margin of 



propodeum Notocyfhin;e p. 627 



Labrum never entirely exserted; propodeal spiracle not much 

 more than its length from anterior margin of propodeum 3 



3. First abscissa of subdiscoidal vein joining second abscissa of 



discoidal vein at right angles; second sternite with a trans- 

 verse furrow (obsolete in some males) Pepsins p. 627 



First abscissa of subdiscoidal vein projecting posteriorly at 

 base so as to form a pocket where it joins second abscissa 

 of discoidal vein Psammocharin^e p. 629 



Ceropalin^e. 

 By Henry Lorenz Viereck. 



This distinct subfamily contains only the genus Ceropales. 



Ceropales Latreille. 

 At least one species in this genus is said to be a parasite in 

 the nest of Agenia. 



Key to Species. 



1. Females 2 



Males 4 



2. Body mostly black; posterior femora reddish .bipunctata 



Head and thorax black; abdomen reddish robinsoni 



Body black, with white or yellow markings 3 



3. Antennae as long or longer than head and thorax together . . 



fratema 

 Antennae shorter than head and thorax together longipes 



4. Abdomen entirely black bipunctata 



Abdomen not entirely black 5 



5. Abdomen not reddish 6 



Abdomen reddish robinsoni 



6. Legs almost entirely black fraterna 



Legs reddish longipes 



C. bipunctata Say. Howard, Insect Book, PI. v, Fig. 10. 

 Length 14-15 mm. 



