196 CONNECTICUT GEOL. AND NAT. HIST. SURVEY. [BulL 



*A. (P.) lanificus Viereck (new species). 

 Cocoons as in acronyctcs. Type locality: Branford, 29 June, 



1905 (Ruth Winkley). 



A. (P.) laeviceps Ashmead. 



Parasitic on Loxostege sticticalis. New Haven, i August, 



1906 (P. L. B.), 4 July, 1905 (H. L. V.) ; Hartford, reared in 

 laboratory, 10 February, 1904. 



°A. (P.) theclae Riley. 



Male : length 2-2.6 mm. ; black ; palpi white ; labrum and 

 mandibles blackish; antennae sometimes blackish; propodeum 

 with a slight median longitudinal carina ; wings hyaline ; tegulae, 

 stigma and costa beyond stigma, radius and veins at base of the 

 incomplete areolet, blackish; tibiae and tarsi stramineous; 

 apical half of hind tibiae and hind tarsi blackish ; abdomen with 

 first and second dorsal abdominal plates with numerous punc- 

 tures; ovipositor not exserted. 



Parasitic on an unknown species of Thecla. Cocoons white 

 and spun together, making a mat for the dead larva, 

 *A. (P.) algonquinorum Viereck (new species). 



Type locality: Thompson, 15 July, 1905 (H. L. V.); bred 

 from cocoons on water-hemlock {Cicuta), 

 *A. (P.) pyraustae Viereck. 



Type locality: East River, reared 7 August, 1909, from 

 Pyrausta futilalis by Dr. Charles R. Ely. 



°A, (P.) robinise (Fitch). The Locust Leaf-miner parasite. 



Length 2 mm. ; female with tip of abdomen often dusky ; 

 wings pellucid whitish, veins colorless. Host: flattened locust 

 leaf-miner (Anacampsis robinella Fitch). Cocoons white and 

 promiscuously arranged. 



°A. (P.) glomeratus (Linnaeus). A. pieridivora (Riley). A. 

 pieridis (Packard). 



Length 2.6-3 nini. ; black; mandibles pale brownish or 

 stramineous ; antennae black, lower side of basal joint and base 

 of flagel often brownish ; palpi from pale stramineous to quite 

 yellow in color; dorsulum coarsely punctate, polished, and 

 sparsely pubescent; propodeum generally with a well defined, 

 slender, median longitudinal carina ; tegulae brownish to black ; 

 wings with costa, stigma and radial vein quite dark brown as a 



