MACROLEPIDOPTERA AND THEIR PARASITES 5Y9) 
ACRONYCTA INCLARA SMITH. 
Food plants: Forest growth. 
Occurrence: Collections from New Ashford, Mass. 
Totals received: Collections, 2; larvae, 6; years, 1. 
Larvae: September and October. (One larva inflated for the Melrose High- 
lands laboratory.) 
Pupae and adults not reared. 
ACRONYCTA SUPERANS GUEN. 
Food plants: Apple, aspen, birch, cherry, hawthorn, rose. 
Occurrence: Collections from Maine, Massachusetts, and Connecticut. 
Totals received: Collections, 23; larvae, 49; years, 8. 
Larvae: June to October. 
Pupae: Fall to June, and July to August. 
Adults: June, and late July and August. 
Generations: Two. 
Parasites 
Collections yielding 
this parasite 
Parasite Years 
specimens | recovered 
Number of | Number of 
collections larvae 
Diptera: 
Compsilura concinnata Meig__-_...--__------_--_-_- 8 2 3 3 
Tachinidae (unidentified puparia)-__.._.__.________- 7 1 1 1 
Hymenoptera: 
FROGUSYSECGTTEAEOT: |S DY ay SSB eK EE aa *3 1 if 4 
ACRONYCTA IMPLETA WALK. 
Food plants: Apple, willow, and other deciduous growths. 
Occurrence: Collections from Maine, New Hampshire, Vermont, Massachu- 
setts, New York, and New Jersey. 
Totals received: Collections, 18; larvae, 21; years, 8. 
Larvae: May to September. Most of the larvae were taken from July to 
September, but there is one inflated specimen in the laboratory collection dated 
May 17, 1921, from New Jersey. 
Pupae: August to spring. 
Adults: June and July. Undoubtedly much earlier in New Jersey. 
Generations: It would appear that there is at least a partial second generation 
in New Jersey, but only one in New England. 
Parasites 
Collections yielding 
this parasite 
Parasite Years 
specimens | recovered 
Number of | Number of 
collections larvae 
Diptera: 
Compsilura concinnata Meig________.__-_.______-__- 
Humasicera sp. near sternalis Coq_------___----_---- 
Winthemia (?) datanae Town____---_---___-_-_----_- 
rt Cr bo 
eee 
et ht 
Dome 
ACRONYCTA FURCIFERA GUEN. 
Food plants: Wild black cherry, apple. 
Occurrence: Collections from New England, New York, and New Jersey. 
Totals received: Collections, 92; larvae, 168; years, 11. 
Larvae: Late May to September. 
Pupae: Late June and July, and fall to spring. 
Adults: May to middle of July, and July and August. 
Generations: Two. 
/ 
