NO. 22.] HYMENOPTERA OF CONNECTICUT. 455 



Reared from a chrysalis of Theda calanus. 

 T. caerulescens Ashmead. 



Female: length 1.5 mm.; mostly steel-blue; scape aeneous, 

 flagel subclavate, brownish black, pubescent, its joints delicately 

 fluted, funicle 3-jointed, the first joint the longest, slightly longer 

 than the second, club fusiform, 3-jointed, a little longer than the 

 two last joints of funicle together, and stouter; tips of femora 

 and the tibiae and tarsi except last two joints, white, the two ter- 

 minal joints of tarsi fuscous, the hind tibiae toward base behind 

 with a brownish blotch or spot ; wings hyaline, veins pale brown, 

 abdomen conic-ovate, pointed at tip, a little longer than head 

 and thorax combined. Male: length 1.2 mm.; funicle 4-jointed; 

 abdomen oblong-oval, cylindric, not longer than head and thorax 

 together ; otherwise as in female. 



Parasitic on Habrobracon gelechice, a. primary parasite of 

 Canorsia hammondi. 



T. sp. 



New Haven, August, 1905 (W. E. B.). Reared from Baccha 

 fascipennis or Phenacoccus acericola. 

 T. sp. 



Reared from (Pieris) Pontia rapes, Diastrophus cuscutccfor- 

 mis, clover-flower midge (Dasyneura legwmicola), Cratotechus 

 orgyice, Dibrachys boucheanus. Possibly a secondary and tertiary 

 parasite of the white-marked tussock moth (Hemerocampa leu- 

 costigma), with Cratotechus orgyice and Dibrachys boucheanus, 

 respectively, as hosts. 



ENTEDONTIDyE. 



Key to Genera. 



1. Notauli distinct and complete 2 



Notauli incomplete, at most indicated only anteriorly. Fe- 

 male: abdomen sessile or subsessile, petiole, if present, 

 very short, ovipositor not exserted; wings with marginal 

 cilia, knob of stigmal vein sessile or subsessile; thorax 

 and scutel smooth, impunctate, antennae 8-jointed, with one 

 ring-joint, not tapering toward apex, joints of funicle sub- 

 moniliform. Male: abdomen as in female, i. e., sessile or 

 subsessile; wings with marginal cilia; antennae 7-jointed, 



or jointed as in the female Pediobius p. 458 



2. Abdomen sessile or subsessile 3 



Abdomen distinctly petiolate , 5 



