NO. 22.] HYMENOPTERA OF CONNECTICUT. 195 



punctate or minutely lineated; venter along the middle 

 pale yellow; legs stramineous, hind tibiae at tip and hind tarsi 

 dusky. This is an American parasite of the cosmopolitan Plusia 

 brassier; it is also parasitic on the following and possibly on 

 other Lepidoptera: Ampelophaga myron (W. E. B.) ; army-worm 

 [{Leucania, Heliophila) Cirphis unipuncta], Philampelus pando- 

 ras, and the tobacco worms (Protoparce celeus and P. Carolina). 

 Cocoons white and attached to the larva as shown Plate vii, Fig. i. 

 Generally distributed, and has been bred in August by W. 

 E. Britton and R. P. Tolman. Connecticut data are as fol- 

 lows: Westville, 9 August, 1905 (W. E. B.) ; Norwalk, 3 August, 

 1887 (C. V. Riley) ; Southington, 24 August, 1906 (R. P. Tol- 

 man) ; Hartford, 7 April, 1903 (Mrs. W. Seliger). 



A. (P.) hemileucae Riley. 



Cocoons white and attached to the larva in the same way as 

 those of congregatus. 



A. (P.) carduicola (Packard). 

 Length 3 mm. ; black ; palpi pale stramineous ; coxae and 

 trochanters black; basal third to half of fore femora black, re- 

 mainder of same reddish and concolorous with the tibiae, tarsi 

 brownish to blackish ; mid and hind femora blackish, their tibiae 

 reddish with a slight dusky tinge, tarsi pale at base, becoming 

 black toward tip; propodeum without a median longitudinal 

 carina ; ovipositor hardly exserted. . 

 Host: (Pyrameis) Vanessa cardui. 



A. (P.) acronyctae Riley. 



Male : length 2.5 mm. ; black ; labrum and mandibles stramin- 

 eous; palpi whitish, antennae blackish stramineous; legs light 

 reddish, hind coxae black; wings hyaline; veins and stigma 

 stramineous ; propodeum granulated or finely reticulate, with an 

 indistinct median longitudinal carina; abdomen with first and 

 second dorsal abdominal plates confluently punctate, opaque, re- 

 mainder smooth and shining, lateral edges on first and second 

 dorsal abdominal segments and sides of the corresponding ventral 

 segments stramineous. 



Parasite of (Acronycta) Apatela oblinita. Cocoons white and 

 spun together, the groups covered with fluffy silk. 



