MACROLEPIDOPTERA AND THEIR PARASITES 79 
Parasites 
Collections yielding 
this parasite 
Parasite Years 
specimens | recovered | 
Number of | Number of 
collections larvae 
Diptera: 
Achaetoneura cuculliae Webber-____-_._-_-_---_--___- 
Tachinidae (unidentified puparia).___-_.____-._-_- 
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HETEROCAMPA UMBRATA WALK. 
Food plant: Maple. 
Occurrence: Collections from Tamworth and Sanbornton, N.H.; and Cheshire, 
Hawley, and Plainfield, Mass. 
Totals received: Collections, 5; larvae, 12; years, 2. 
Larvae: June to August. 
Pupae: August to early summer. 
Adults: June and July (adults were collected, but none reared). 
Parasites 
Collections yielding 
this parasite 
Parasite Years 
specimens | recovered 
Number of | Number of 
collections larvae 
Diptera: 
PACH CCLOTE LENG TAAS Oe tee yeah sree ae ny 3 1 1 3. 
Compsilura concinnata Meig_.____________________- 2 1 1 2 
HETEROCAMPA MANTEO DBL. 
Food plants: Basswood, beech, elm, hawthorn, and oak. 
Occurrence: Collections from Maine, Massachusetts, and New York. 
Totals received: Collections, 15; larvae, 158; years, 4. 
Larvae: August to October. 
Pupae: Fall to early summer. 
Adults: June to July. 
HETEROCAMPA BIUNDATA WALK. 
Food plants: Beech, paper birch, wild black cherry, chokecherry, and maple. 
Occurrence: Collections from Bangor, .Boothbay, Corinth, Hermon, and 
Orono, Maine; Williamstown, Mass.; and Heuvelton, N.Y. 
Totals received: Collections, rhe larvae, 8; years, 6. 
Larvae: July to September. 
Pupae: .August to June. 
Adults: June. 
HETEROCAMPA GUTTIVITTA WALK. 
Food plants: Beech and maple. 
Occurrence: Collections from Maine, New Hampshire, Vermont, Massachu- 
setts, Rhode Island, New York, and New Jersey. Serious outbreaks occurred in 
the forests of western Massachusetts and southern Vermont 1916-19 and 1930-31; 
also in the White Mountain district of New Hampshire in 1917-20 and to a lesser 
degree in 1930-31. 
Totals received: Collections, 77; larvae and pupae, 3,158; years, 14. 
Larvae: June to Cctober. 
Pupae: Late July to spring. 
Adults: May and June, and sometimes August and September. 
Generations: Sometimes a partial second brood. 
