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



H. lycti Cresson. 



Said to be a parasite on the larva of the powder-post beetle 

 (Lyctus striatus). 

 H. utilis Cresson. 



Heterospilus Haliday. 



*H. eurostae Viereck (new species). 



Female : length 2.5 mm. ; thorax mostly black, head and abdo- 

 men mostly brownish, the latter brownish stramineous down the 

 middle; first, second, basal half of third, and extreme base of 

 fourth dorsal abdominal segments striated, a suggestion of a 

 transverse furrow between the sculpture and smooth portion of 

 the third dorsal segment; antennae 26-jointed; ovipositor some- 

 what shorter than the abdomen ; related to H. aciculatus. 



Type locality : Stonington, 26 April, 1906, reared from galls 

 of Eurosta solidaginis (B. H. W.). 



Polystenidea Viereck. 



*P. metacomet Viereck (new species). 



Female: length 1.5 mm.; black; first and second joints of 

 antennae and mandibles brown, palpi blackish white ; legs stra- 

 mineous, hind tarsi rather dusky at tip, as is the tip of the hind 

 femora ; other tarsi colored about like the hind tarsi ; wings trans- 

 parent, stigma stramineous, veins darker ; abdomen brownish 

 beneath ; ovipositor scarcely extending beyond the tip of the 

 abdomen. 



Type locality: New Haven, 4 July, 1905 (H. L. V.). 



myersiim:. 



Thaumatotypidea Viereck. 



Petiole much longer than the propodeum, the latter with a 

 more or less complete apical transverse carina. 



*T. spinulata (Strickland). Thaumatotypus spinulatus Strick- 

 land. 



Female : length 4 mm. ; blackish, with fuscous legs ; with more 

 or less erect, scattered hairs ; propodeum rather concave, with 

 the apical transverse carina developed into a prominent projec- 



