MACROLEPIDOPTERA AND THEIR PARASITES 117 
ACHAETONEURA FRENCHII WILL. (COMPLEX) 
Hosts: Papilio ajax t L., P. glaucus turnus L., P. troilus L., Ascia rapae L., 
Hamadryas antiopa L., Cynthia atalanta L., Phlegethontius quinquemaculata f 
Haw., Ceratomia undulosa { Walk., C. catalpae Bdv., Hylotcus chersis Hbn., 
H. kalmiae S. and A., Smerinthus geminatus ft Say, Paontas myops 8S. and A., 
unidentified Sphingidae, Samia walkeri advena Pack., Platysamia cecropia L., 
Callosamia promethea t Dru., Telea polyphemus { Cram., Halisidota caryae 
Harr., H. tessellaris t S. and A., Diacrisia virginica Fab., Hyphantria cunea t 
Dru., Datana ministra t Dru., D. angusii t G. and R., D. integerrima { G. and 
R., Heterocampa sp., Schizurasp., Hemerocampa leucostigma S. and A., Malacosoma 
americana Fab., M. disstria Hbn., and an unidentified geometrid. 
Localities: Many in New England, New York, New Jersey, and Pennsylvania. 
Adults: May to June, and July to October. 
Number per host: From 1 to 27. 
Generations: Two or more. 
Hibernation: As maggot in host pupa. 
ACHAETONEURA MELALOPHAE ALLEN 
Host: Melalopha inclusat Hbn. 
Localities: Many in Rhode Island, Connecticut, New York, and New Jersey. 
Adults: Late May to July, and July to September. 
Number per host: One in many cases though sometimes 4 or 5. 
Generations: Two. 
Hibernation: As maggot in host pupa. 
ACHAETONEURA PIPERI TOWN. 
Host: Schizura unicornis 8. and A. 
Locality: Elizabeth, N.J. 
Adults: May to June, and July to August. 
Number per host: One. 
Generations: At least two. 
Hibernation: Method not known. 
ACHAETONEURA SAMIAE WEBBER 
Hosts: Platysamia cecropiat L., Malacosoma americana Fab. 
Localities: Many in Maine, New Hampshire, Vermont, Massachusetts, Rhode 
Island, New York, and New Jersey. 
Adults: May and June. 
Number per host: From a few up to 110. 
Generations: Two. 
Hibernation: As full-grown maggot in host pupa and occasionally as puparia 
in host cocoon. 
ACHAETONEURA, N. SP. 
Host: Heterocampa umbrata Walk. 
Localities: Hawley and Plainfield, Mass. 
Adults: July and September. 
Number per host: One (?). 
Generations: At least two. 
Hibernation: Method not known. 
NEAR ACHAETONEURA (N. SP.) (1) 
Host: Acronycta lanceolaria Grt. 
Localities: Ayer, Dover, Wakefield, and Wilmington, Mass. 
Adults: Late May to July. 
Number per host: One to nine. 
Generations: One. 
Hibernation: In the puparium: 
NEAR ACHAETONEURA (N. SP.) (2) 
- Host: Samyra henricit Grt. 
Locality: Revere, Mass. 
Adults: May and June (from host larvae collected late in September). 
