NO. 22] HYMENOPTERA OF CONNECTICUT. 773 



convex, marginal vein always shorter than the subcostal vein, 

 scutel with a more or less distinct cross-furrow before the apex, 

 the lateral margins convergent toward base ; propodeum normal, 

 not produced at apex, long, rugose, with a median carina and 

 complete lateral folds ; abdomen distinctly petiolate, second seg- 

 ment often large but not especially lengthened, ovipositor not 

 exserted. 



M. fletcheri Crawford. 



Female: length 1. 5-1.75 mm.; bronzy green; head with sparse 

 setigerous punctures, reticulated except for the face in front of 

 the ocelli which is smooth and polished, antennae black, scape 

 metallic ; thorax with sparse setigerous punctures like the head, 

 and reticulated except posterior margin of pronotum, scapulae 

 laterally and scutel back of the transverse furrow, which parts 

 are smooth ; wings yellowish, veins stramineous ; coxae metallic, 

 rest of legs testaceous ; propodeum with a smooth space on each 

 side near the base ; petiole longitudinally rugose, rest of abdomen 

 smooth. 



Male: length 1.5 mm.; essentially as in the female except for 

 the flagel which is light brownish. 



Parasitic on Nectarophora pisi in Canada, and bred from 

 Aphis sorbi in Connecticut. 



New Haven, 10 July, 1909 (A. I. Bourne). 



pteromalim:. 



Pteromalus Swederus. 

 Subgenus Eupteromalus Kurdjumov. 



Related to Dibrachys Foerster, from which it can be distin- 

 guished by the propodeum being produced into a distinct globose 

 neck. Eyes not hairy ; antennae inserted near the middle of the 

 face, front not impressed, pedicel longer than the first joint of 

 the funicle. 



Pteromalus (Eupteromalus) nidulans (Foerster) Thomson. 

 Pteromalus egregius Howard and Fiske. 



Female: length 2.2 mm.; greenish with cupreous reflections, 

 scape, pedicel and legs except coxae stramineous with brownish 

 stains, rest of antennae brown ; head and thorax finely reticulated ; 

 propodeum reticulated like the thorax, with a longitudinal carina 



