MACROLEPIDOPTERA AND THEIR PARASITES 147 
APHANISTES HYALINUS NorT. 
Host: Trachea turbulenta Hbn. 
Localities: Essex, Falmouth, and Rockport, Mass.; and Westerly, R.I. 
Adults: July and August. 
Number per host: One. 
Generations: One. 
Hibernation: In host pupa. 
APHANISTES NIGRORUFUS Nort. 
Hosts: Halisidota caryae Harr.; Schizura concinna 8S. and -A. 
Localities: Alburgh, Vt., and Bridgewater, N.J. 
Adults: July and August. 
Number per host: One. 
Generations: One. 
Hibernation: In host pupa or prepupal larva. 
APHANISTES SP. (1) 
Host: Unidentified noctuid. 
Locality: Melrose, Mass. 
Adults: June. 
Number per host: One. 
Generations: One. 
Hibernation: In host pupa. 
APHANISTES SP. (2) 
Host: Datana integerrima G. and R. 
Localities: Blackwell’s Mills and Bound Brook, N.J- 
Adults: July and August. 
Number per host: One. 
-Generations: One. 
Hibernation: In host pupa. 
APHANISTES SP. (3) 
Host: Phigalia titea Cram. 
Locality: Garrison, N.Y. 
Adults: May. | 
Number per host: One. 
Generations: One. 
Hibernation: In host pupa. 
THERION FUSCIPENNIS Norv. 
Host: Acronycta impressa Walk. 
Locality: Bangor, Maine. 
Adults: Late July to August. 
Number per host: One. 
Generations: One. 
Hibernation: In host pupa. 
THERION MORIO FAB. 
Hosts: Halisidota maculata Harr., Diacrisia wirginica FKab., Estigmene acrea 
~Dru., Cycnia inopinatus Hy. Edw., unidentified noctuid. 
Localities: Bangor, Maine; Concord and Lebanon, N.H.; Athol, Lynnfield, 
Millis, and Vineyard Haven, Mass.; Carthage and Greene, N.Y.; Flemington, 
Hillsboro, Manville, Princeton, Rutherford, Somerville, and South Branch, 
N.J.; and New Milford and Rush, Pa. 
Adults: June to July, and August to September. 
Number per host: One. 
Generations: One, and sometimes a partial second. 
Hibernation: In host pupa. 
