466 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [BuU. 



with metallic blue reflections; abdomen with a yellow band. 

 Female: length 1.6 mm., differs from the male in having only 

 a mesonotal yellow spot, a narrow yellow line around inside of 

 eyes, and the legs yellow except hind coxse, femora above, and 

 tips of tarsi ; antennae mostly yellowish bi^bwn with black scape ; 

 thorax with a distinct bluish hue. 



Bred from Bucculatrix pomifoliella, and possibly a parasite 

 or secondary parasite of the trumpet leaf-miner of the apple 

 (Tischeria malifoliella). ; 



°C. niger Howard. 



Female: length 1.5 mm.; mostly shining black, with black 

 bristles ; antennae yellowish beneath ; anterior border of prono- 

 tum, mesonotum and scutel finely shagreened, metanotum sculp- 

 tureless, with a very fine median longitudinal suture anteriorly 

 and a corresponding carina posteriorly ; legs, including coxae, 

 honey-yellow ; abdomen yellowish beneath at base, lozenge- 

 shaped or nearly round, as broad as, but shorter than, the thorax. 



Reared from the pupae of some unknown Eulophus parasitic 

 on (Pyrameis) Vanessa atalanta. 



Elachertus Spinola. 



Elachistus Foerster. 

 °E. n. sp. 



Parasitic on the lesser peach borer (Synanthedon pictipes). 

 °E. cacoeciae Howard. 



Male: length 1.9 mm.; mostly shining black; face subtri- 

 angular, cheeks nearly straight, scape whitish beneath, dark 

 brown above, flagel dark brown, pubescent with whitish hairs, 

 mandibles light reddish brown ; mesonotal and scutellar furrows 

 not continuous, interrupted by the angle of the scapulae ; post- 

 marginal vein much longer than the stigmal ; legs yellowish 

 white, hind coxae slightly darker at base ; first and second dorsal 

 abdominal segments with a yellowish brown spot extending 

 nearly to the lateral edges, abdomen beneath at base light brown. 

 Bred from nest of Caca-cia rosaceana. Parasite of Crato- 

 techus orgyice. 



°E. proteoteratis Howard. 



Female: length 1.8 mm.; mostly dark metallic green; head 

 broadly oval, cheeks well rounded, scape nearly white, flagel 



