MACROLEPIDOPTERA AND THEIR PARASITES 105 
Pupae: May and June (hibernates as prepupal larva in a tough cocoon attached 
to twigs or branches of its food plant). 
Adults: Late June to early August. 
Parasites 
Collections yielding 
this parasite 
Parasite Years 
specimens | recovered 
Number of | Number of 
collections larvae 
Diptera: 
Compsilura concinnata Meig___________-___-___---_- 3 3 3 293 
Hymenoptera: 
Psycophagus omnivorus Walk____._-___-____-___-___- 4 i 1 227 
LITHACODES FASCIOLA H-S. 
Food plants: Bayberry, wild cherry, and oak. 
Occurrence: Collections from Kingston, N.H.; and Melrose and Revere, Mass. 
Totals received: Collections, 6; larvae, 31; years, 2. 
Larvae: August and September. 
Pupae: Cocoon from fall to June (probably hibernates as a prepupal larva and 
pupates in the spring). 
Adults: Late June. 
Parasite 
Collections yielding 
this parasite 
Parasite Years 
specimens | recovered 
Number of} Number of 
collections larvae 
Hymenoptera: 
Apanteles empretiae Vier__________--_------_------- 7 1 1 ] 
PACKARDIA GEMINATA PACK. 
Food plant: Wild cherry. 
Occurrence: One larva collected at Wakefield, Mass. 
Larva: August and September. 
Pupa: Cocoon formed in September. 
Adult: June. 
TORTRICIDIA FLEXUOSA GRT. 
Food plants: Gray birch and wild black cherry. 
Occurrence: Collections from Melrose, Mass. 
Totals received: Collections, 2; larvae, 3; years, 1. 
Larvae: August and September. 
Pupae: Cocoons formed in September. 
Adults: July. 
TORTRICIDIA CAESONIA GRT. 
Food plant: Oak. 
Occurrence: One larva collected at Saugus, Mass. 
Larva: August and September. 
Pupa: Cocoon formed first of October. 
Adult: July. 
LAGOA CRISPATA PACK. 
Food plants: Apple, aspen, speckled alder, wild black cherry, and various other 
deciduous growths. 
Occurrence: Collections from Wakefield and Westerly, R.I.; Manchester, Conn.; 
Pachogue, N.Y.; Bound Brook, Old Bridge, and Two Bridges, N.J.; and Dingmans 
and Hopewell, Pa. Rearings indicate one generation in region from which col- 
lections were taken. 
