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



A. tischeriae Howard. 



This is probably a manuscript name. The species is para- 

 sitic on the trumpet leaf -miner of the apple {Tischeria mali- 

 foliella) . 



Pediobius Walker. 

 This genus may be found in the State. 



Horismenus Walker. 

 H. popenoei (Ashmead). Holcopelte popenoei Ashmead. 



Female : length 2 mm. ; head bright cupreous, punctate, flagel 

 concolorous with the head, scape, except at tip, yellowish white; 

 thorax punctate and bright cupreous, including the coxae ; rest of 

 legs yellowish white ; wings hyaline, veins pale, scutel delicately 

 scaly; abdomen bluish black, with a faint aeneous tinge at base 

 in certain lights. 



Parasite or secondary parasite on the trumpet leaf-miner of 

 the apple (Tischeria malifoliella) . 



H. fraternus (Fitch). 



Length : 2.5 mm. ; thorax minutely shagreened, brilliant brassy 

 green ; submarginal vein of the anterior wings black and united 

 with the margin for two-thirds of its length, stigmal branch con- 

 spicuously notched at its apex ; abdomen above concolorous with 

 the thorax, its under side black. 



Parasite on the white-marked tussock moth (Hemerocampa 

 lea co stigma). 



H. euplectri Howard. 



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

 white or faintly yellowish, face shagreened, postmarginal vein 

 twice as long as the stigmal, veins dark brown ; legs white or 

 faintly yellowish; abdomen oval acuminate, with first segment 

 smooth and shining, slightly shagreened posteriorly, succeeding 

 segments shagreened. Male: slightly smaller than the female; 

 head tvith a strong coppery luster, bluish beneath, scape white, 

 metallic blue at tip ; parapsidal grooves not continuous with the 

 scapular grooves ; abdomen bright metallic blue, not shagreened ; 

 otherwise mostly similar to the female. 



Bred from Euplectrus comstocki. 



