MACROLEPIDOPTERA AND THEIR PARASITES 137 
METEORUS COMMUNIS CRESS. 
Hosts: Orthosia hibisct Grt., Cirphis unipunctat Haw., Graptolitha sp., Mala- 
cosoma americana Fab. 
Localities: Lynnfield, Melrose, and Winchester, Mass.; Jackson, R.J.; Putnam, 
‘Conn.; and Bound Brook, N.J. 
Adults: May to June, and June to July. 
Number per host: One. 
Generations: At least two. 
Hibernation: As larva in host larva. 
METEORUS DATANAE MUEs. 
Hosts: Datana angusit G. and R., D. integerrima G. and R., Malacosoma 
disstria Hbn. 
Localities: Bound Brook, Branchburg, Princeton, and South Brunswick, N.J. 
Adults: May to October. 
Number per host: One. 
Generations: Probably three. 
Hibernation: Method not known. 
METEORUS HYPHANTRIAE RILEY 
Hosts: Polygonia interrogationis Fab., Cynthia atalanta L., Hyphantria cunea 
Dru., Euchaetias egle Dru., Graptolitha sp., G. antennata Walk., Catocala neogama 
S. and A., Calpe candensis Beth., Datana perspicua G. and R., Schizura unicornis 
S. and A., Notolophus antiqua L., Hemerocampa leucostigma 8. and A., Mala- 
cosoma americana Fab., M. disstria Hbn., [tame ribearia Fitch, and Phigalia 
titea Cram. 
Localities: Many in New England, New York, New J ersey, and Pennsylvania. 
Adults: May to October, and November. 
Number per host: One. 
‘Generations: Two, or possibly three, especially in southern part of area covered. 
Hibernation: Method not known. 
METEORUS NIVEITARSIS CRESS. 
Host: Graptolitha sp. 
Locality: Bridgewater, N.J. 
Adults: Late May. 
Number per host: One. 
Generations: One. 
Hibernation: In cocoon. 
METEORUS VERSICOLOR WESM. 
Hosts: Hyphantriae cunea Dru., Notolophus antiqua L., Hemerocampa leucostig- 
ma S..and A., Nygmia phaeorrhoea t Don. 
Localities: "Many i in Maine, New Hampshire, and Massachusetts. 
Adults: June, and August to September. 
Number per host: One. 
Generations: Two, sometimes a partial third. 
Hibernation: As immature larva in larva of N. phaeorrhoea. 
METEORUS VULGARIS CRESS. 
Hosts: Noctua fennicat Tausch, Graptolitha sp., G. antennata Walk., Conistra 
sp., Sidemia devastator{ Brace, unidentified Noctuidae. t 
Localities: Many in Maine, New Hampshire, Vermont, Massachusetts, Rhode 
Island, New York, and New Jersey. 
Adults: May to August. 
Number per host: As many as 31. 
Generations: At least two. 
Hibernation: As immature larva in host larva. 
METEORUS, N. SP. 
Hosts: Calpe canadensis Beth., Alsophila pometaria Harr. 
Localities: Hampton, N.H.; Melrose, Mass.; and Mendham, N.J. 
Adults: May to June, and J uly. 
