MACROLEPIDOPTERA AND THEIR PARASITES 83 
Larvae: August and September. 
Pupae: Fall to early summer. 
Adults: June and July. 
Parasite 
Collections yielding 
this parasite 
Parasite Years 
specimens | recovered | 
Number of | Number of 
collections larvae 
Diptera: 
Zenitliagnssp 2s oe ee Ro Eee OS 5 1 ] 1 
CERURA SP. 
Food plants: Aspen and willow. 
Occurrence: Collections from Manchester, Conn.; and Mendham and Warren, N.J 
Totals received: Collections, 3; larvae, 3; years, 3. 
Larvae: July and August. 
Adults not reared. 
Parasites 
Collections yielding 
this parasite 
Parasite Years 
specimens | recovered 
Number of | Number of 
collections larvae 
Hymenoptera: 
Apanteles cerunae Mueses 22 58252502 eee 8 2; 2 2 2 
GOTTE CONS yeaa aioe Md alee ay EEL “sl 1 1 1 
FENTONIA MARTHHESIA Craw. 
Food plants: Aspen, beech, maple, oak, and sycamore. 
Occurrence: Collections from Belfast, Hampden, and Kenduskeag, Maine; 
Leicester, Vt.; Athol, Forest Hills, Melrose, Newburyport, and Saugus, Mass.; 
Bound Brook, NJ. sand Philadelphia, Pa. 
Totals received: ‘Collections, 12; larvae, 17; years, 7. 
Larvae: July to October. 
Pupae: Fall to early summer. 
Aduits: June to July. © 
Parasite 
Collections yielding 
this parasite 
Parasite Years 
specimens | recovered 
Number of | Number of 
collections larvae 
Diptera: | 
Compsilura concinnata Meig________.___-_--.--_-_--- 
GLUPHISIA SEPTENTRIONALIS WALK. 
Food plant: Aspen. 
Occurrence: Collections from Maine, Vermont, Massachusetts, and Connecticut. 
Totals received: Collections, 22; larvae, 86; vears, 6. 
Larvae: June to. Ju uly, and August to September. 
Pupae: Fall to spring, and July and August. 
Adults: May and June, also July and August. 
Generations: Two. 
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