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



EULOPHIDiE. 



Key to Genera. 



1. Abdomen petiolate; antennae inserted far below middle of the 



face, scape reaching no higher than ocelli; parapsidal 

 grooves not visible, apparently wanting, scutel without 

 dorsal impressed lines, posterior tibiae evidently with two 



spurs 2 



Abdomen sessile; antennae in female 8-jointed without a ring- 

 joint, or o-jointed with a ring-joint; pedicel not longer 

 than wide, antennae in male 9-jointed, with a ring-joint; 

 head viewed from in front longer than wide; scutel with 

 two dorsal impressed lines or grooves. . Zagrammosoma p. 462 



2. Marginal vein not three times as long as stigmal; male 



antennae 3-branched, rarely simple 3 



Marginal vein at least three times as long as stigmal; male 

 antennas simple, funicle 5-jointed Sympiesis p. 461 



3. Thorax not robust; flagel of female antennae not compressed- 



fusiform, funicle of female black, of male with long 



branches Eulophus p. 460 



Thorax very robust Cratotechus p. 460 



Eulophus Geoffrey. 

 E. n. sp. 



Parasite or secondary parasite on the trumpet leaf-miner of 



the apple (Tischeria malifoliella). 



E. sp. 



Host: (Pyrantels) Vanessa atalanta. 



Cratotechus Thomson. 

 C. orgyiae Fitch. 



Length 3 mm. ; head brassy green ; three or four times as 

 wide as long, as broad as the thorax, appearing slightly notched 

 in front when viewed from above; antennae mostly brown, basal 

 joints yellow; thorax brassy green, finely shagreened, twice as 

 long as wide, broadest across the middle, scutel golden yellow, 

 with an elevated line on each side at its base ; legs mostly yellow- 

 ish white, their tips black; wings mostly clear, a broad glabrous 

 stripe extending along the inner margin of the anterior wings, 

 veins pale ; abdomen mostly purplish black, smooth and polished, 

 shorter than the thorax, basal segment above and beneath with 

 an apical yellow band. 



Listed as a primary parasite of the white-marked tussock 

 moth (Hemerocampa leucostlgma) . 



