No. 22.] HYMENOPTERA OF CONNECTICUT. 497 



central dusky patch and with an excurved hairless band at the 

 distal border of the patch; just below the marginal vein is a 

 hairless line extending obliquely upward and bordered by inward- 

 directed hairs; at distal end of stigma and postmarginal vein is 

 a transverse clear line, extending one-fourth the distance across 

 the wing ; all veins brownish, marginal very dark, stigmal almost 

 obsolete ; abdomen acuminate at tip, black, with many black hairs ; 

 ovipositor yellow-brown. 



Probably parasitic on Lecanium on pine. Bred from Leca- 

 nium Hetcheri, L. caryce, L. sp. on Quercus aquatica, and Kermes 

 sp. on oak. 



°C. diaspidinarum Howard. 



Female : length 0.93 mm. ; mostly shining black ; vertex, 

 cheeks, pleurae, and abdomen with metallic bluish reflections ; 

 vertex shagreened, antennae mostly brown, tip of pedicel and all 

 of fifth and sixth funicular joints dirty yellow, first funicular 

 joint shorter than pedicel and about as long as broad, second, 

 third and fourth joints slightly shorter than first, but about as 

 broad, fifth and sixth much wider, wider than long, club flat- 

 tened, oval, as long as the four preceding joints combined, scape 

 cyUndrical; mesonotum with silvery pubescence, scutel rounded, 

 densely shagreened above, smooth behind, tuft of bristles com- 

 pact but not erect; front coxse and all tarsi except apical joint, 

 light yellowish ; wings colorless, with marginal cilia, marginal 

 vein as long as or a little shorter than stigmal, postmarginal equal 

 in length to the stigmal; abdomen flat, ovipositor very slightly 

 exserted. 



Bred from female scales of Lepidosaphes ulmi. 



°C. dactylopii Howard. 



Female: similar to female of C. formosus Boheman. Male: 

 marginal vein only slightly longer than the stigmal vein. 



On record as an American parasite of the cosmopolitan com- 

 mon mealy-bug {Pseudococcus citri). 



Bothriothorax Ratzeburg. 

 °B. noveboracensis Howard. 



Female: length 1.6 mm.; body mostly bright meta;ilic blue- 

 green; antennae with their scage honey-yellow at base, brown 

 toward tip, flagel brown, first funicular joint one-half as long as 

 32 



