No. 22.] HYMENOPTERA OF CONNECTICUT. 455 



Reared from a chrysalis of Thecla calanus. 

 ®T. caenilescens 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. n 



Parasitic on Hahrohracon gelechicB, a primary parasite of 

 Cana/rsia hammondi. 



T. sp. 



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

 fascipennis or Phenacoccus acericola. 

 °T. sp. 



Reared from (Pieris) Pontia rapce, Diastrophus cuscutcefor- 

 mis, clover-flower midge {Dasyneura legumicola) , Cratotechus 

 orgyice, Dibrachys houcheanus. Possibly a secondary and tertiary 

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

 costigma), with Cratotechus orgyice and Dibrachys boucheanus, 

 respectively, as hosts. 



. ENTEDONTID^. 

 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 stigrmal 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, 1. ^., 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 



