No. 22.] HYMENOPTERA OF CONNECTICUT. I93 



brownish down the middle and laterally, yellowish between ; scape 

 mostly pale, rather stramineous. 



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

 A. (P.) murtfeldtae Ashmead. 



Has been reared from a Geometrid on Rubus. Cocoons whit- 

 ish and solitary. 



A. (P.) fiskei Viereck. 



Parasitic on Parorgyia. The parasites emerge from the ven- 

 tral surface of the larva, where they spin their white cocoons 

 all of which are collectively enveloped by white fluffy silk. 

 The aggregation of cocoons forms a kind of cushion on which 

 rests the dead larva. 



A. (P.) flaviconchae Riley. 



Length 2-2.5 mm - Host: army worm, {Leucania, Heliophila) 

 Cirphis unipuncta. The cocoons of this species are yellowish 

 collected in bunches. Branford, June, 1880. 



A. (P.) argynnidis Riley. 



Length 2-2.2 mm. Host: Argynnis cybele. Cocoons white 

 and solitary. 



A. (P.) scitulus Riley. 



Length 2.5 mm. Cocoons in bunches and enveloped in white 

 floss-like silk. 



A. (P.) cyaniridis Riley. 



Length 2.8 mm. Host: {Lyccena) Cyaniris pseudargiolus. 

 Cocoons white and solitary. 



A. (P.) flavicornis Riley. 



Length 2 mm. Host: (Nisoniades) Thanaos juvenalis. Co- 

 coons white and in bunches. 



A. (P.) rileyanus Viereck. A. emarginatus Riley. 

 Length 2.4-2.6 mm. Host : Papilio troilus. 

 A. (P.) hyphantriae Riley. 

 Length 3 mm. Host : Hyphantria cunea. 

 *A. (P.) oxyacanthoidis Viereck. 

 Female : length 3 mm. ; closely related to delicatus, face 

 more shining and mouth dark. New Haven, 14 May, 1904, on 

 flowers of Ribes oxyacanthoides (H. L. V.). 



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