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



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 coxae, femora above, and 

 tips of tarsi ; antennae mostly yellowish brown 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 Caccccia rosaceana. Parasite of Crato- 

 techus orgyicB. 



E. proteoteratis Howard. 



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

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



