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



EULOPHIDJE. 



Key to Genera. 



1. Abdomen petlolate; 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 • • • • ^ 



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

 joint, or 9-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 

 antennae simple, funicle s-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 malifolielld). 



°E. sp. ■ 

 Host: (Pyrameis) 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 leucostigma) . 



