No. 22.] HYMENOPTERA OF CONNECTICUT. 463 



Bred from the locust Lithocolletis (Lithocolletis ornatella), 

 also from the trumpet leaf-miner of the apple (Tischeria mali- 

 foliella)f of which it is either a primary or secondary parasite. 



ELASMID.E. 

 Elasmus Westwood. 



Tarsi 4-jointed; posterior coxae strongly compressed; head 

 semiglobose; male antennae flabellate; submarginal vein not 

 broken, bristly, postmarginal vein distinct, parapsidal grooves 

 either wanting or indistinct; abdomen petiolate, the petiole trans- 

 verse and smooth. 



°E. nigripes Howard. 



Male: length 1.5 mm.; differs from varius in size, and as 

 follows : scutellar spot not so vivid orange color, front 'coxae 

 black, femora and tibiae earthy yellow, with many black hairs 

 that are so numerous on the femora as to obscure the real color, 

 tarsi dusky, mid and hind coxae, femora, tibiae and tarsi nearly 

 black, expanse of wings 2.91 mm., greatest width of fore wing 

 0.27 mm. 



Bred from Lithocolletis gregariella, 

 °E. varius Howard. 



Male: length 1.75 mm.; mostly shining black; head punctate, 

 the impressions more separated on the face, antennae black, with 

 light hairs; mesonotum covered with fine hairs and appearing as 

 if covered with minute overlapping scales, scutel apparently 

 smooth but really covered with fine wavy lines and hairy near its 

 base, rounded tip of metascutel orange yellow, metascutellar ap- 

 pendage membranous white, rest of metanotum metallic green; 

 front coxae black at base, rest brownish yellow, femora black, 

 with a metallic luster, and with a longitudinal yellow line beneath, 

 tibiae yellowish, with a dusky streak above, tarsi dark fuscous, 

 hind coxae and femora shining black, light at joints, tibiae dirty 

 yellow, lined above with brown, tarsi blackish ; wings 3.30 mm. 

 in expanse, greatest width of anterior wing 0.33 mm., veins dark 

 brown ; abdomen acuminate, with some stiff black hairs at apex. 



Hosts of this species are: Campoplex (Ameloctonus) fugiti- 

 vus, Apanteles hyphantria and Meteorus xanthocephalus. 



