MACROLEPIDOPTERA AND THEIR PARASITES 143 
TRIBE ICHNEUMONINI 
ISEROPUS COELEBS WALSH 
Hosts: Halisidota caryae Harr, Halisidota sp., Hemerocampa leucostigma 8. and 
A., H. definita Pack. 
Localities: Hampden, Maine; Claremont, N.H.; Everett, Mass.; Westerly, 
R.I.; Brooklyn, N.Y.; and Camden and Trenton, N.J. 
Adults: May to June, and July to October. 
Number per host: As many as 7. 
Generations: Two, possibly more. 
Hibernation: In cocoon in the host cocoon. 
EPIURUS NIGRIFRONS VIER. 
Hosts: Halisidota tessellaris {S. and A., Hemerocampa leucostigma S. and A. 
Localities: Claremont, N.H., and Camden and Trenton, N.J. 
Adults: June to September. 
Number per host: One. 
Generations: At least two. 
Hibernation: In host pupa. 
SUBFAMILY TRYPHONINAE 
TRIBE PANISCINI 
PANISCUS GEMINATUS SAY 
Host: Alypia octomaculata Fab. 
Locality: Concord, N.H. 
Adults: June. 
Number per host: One 
Generations: One. 
Hibernation: In the cocoon. 
PANISCUS GEMINATUS SAYI CUSH. 
Hosts: Graptolitha antennata Walk., Graptolitha sp., Conistra indirecta Walk. 
Localities: Norwood and Weymouth, Mass.; and Bound Brook, Bridgewater, 
and Pluckemin, N.J. 
Adults: Late May to June, and July to August. 
Number per host: One. 
Generations: Apparently one in New Eng!land with at least a partial second in 
New Jersey. 
Hibernation: In the cocoon. 
PANISCUS PALLENS CUSH. 
Host: Melzpotis jucunda Hbn. 
Locality: EJizabeth, N.J. 
Adults: July, and August to September. 
Number per host: One. 
Generations: At least two. 
Hibernation: Method not known. 
PANISCUS UNGUICULARIS CUSH. 
Host: Halisidota tessellaris S. and A. 
Locality: Philadelphia, Pa. 
Adults: June to August (issued in the middle of August from hosts collected 
early in July). 
Number per host: One. 
Generations: At least two. 
Hibernation: Method not known. 
PARABATES CRISTATOIDES CUSH. 
Host: Polia legitima Grt. 
Localities: Hancock and Stetson, Maine. 
Adults: May (hosts were collected the previous September). 
Number per host: Three or four. 
