No. 22.] HYMENOPTERA OF CONNECTICUT. ' 337 



P. (Polytribax) pallescens Viereck. 



A Norton specimen, possibly from Farmington, is in the col- 

 lection of the American Entomological Society, Philadelphia. 



V 



Hemiteles Gravenhorst. 



The species of this group are said to be exclusively hyper- or 

 secondary parasites. 



Key to Species. 



1. Clypeus with two teeth or tubercles on anterior edge 2 



Clxpeus without teeth or tubercles on anterior edge 3 



2. Abdomen blackish, with apical margins of dorsal segments 



pale; palpi nearly white; legs including coxae reddish, ex- 

 cept a black band at tip of hind femora and at tip of hind 

 tibiae, and hind tarsi, which are blackish except at base of 



first joint .■ pimplae 



Abdomen reddish, male with abdomen black at tip. Length 

 7 mm meteori 



3. Wings with blackish bands 4 



Wings not banded, but hyaline or dusky 5 



4. Propodeum not spined; antennae 23-jointed; length 5 mm.; 



brownish or stramineous; apical abdominal segment black, 

 as are two preceding segments; exserted portion of ovi- 

 positor one-fifth as long as body ..areator subspecies tenellus 

 Propodeum spined; head, thorax, antennae, and legs, dull 

 reddish; abdomen brown, and with faint bands of yellow; 

 sheaths of ovipositor about as long as abdomen. Length 

 7-8 mm thyridopterygis 



5. Wings hyaline; body not entirely black; abdominal segments 



without red or white bands; propodeum not spined 6 



Wings brownish 7 



6. Abdomen mostly or entirely black 16 



Abdomen above mostly reddish brown with a blackish tinge; 



scape and pedicel stramineous, flagel blackish; legs pale 

 stramineous, fore coxae yellowish white lycaenae 



7. Length less than 8 mm 8 



Length 8 mm. (male); head and most of thorax black and 



with yellow marks; face below antennae yellow, antennae 

 without an annulus, brown; propodeum, abdomen, and legs 

 mostly reddish stramineous eximius 



8. Length less than 6.5 mm 9 



Length 6.5 mm.; head and thorax, including scutel, black; 



abdomen mostly reddish, first dorsal segment black ex- 

 cept an apical reddish spot occupying its middle third, 

 apical margin of fourth segment laterally blackish, fol- 

 lowing segments black above, those nearest the apex with 



22 



