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PAPILIO GLAUCUS FORM TURNUS L. 
3 '\MACROLEPIDOPTERA AND THEIR PARASITES i 
Food plants: Apple, aspen, white ash, gray birch, yellow birch, wild black 
cherry, lilac; , 
Occurrence: Collections from all parts of New England, New York, and New 
Jersey... , Never reported as injurious. 
Tatals received: Collections, 118; larvae, 209; years, 15. 
Larvae: June to October. 
Pupae: July to August, and August to the next summer. 
Adults: May to August. 
Generations: One or two. 
Parasites 
Parasite Years 
specimens | recovered 
Diptera: : 
Achaetoneura frenchii Will____....-.._-.--_-__--__-_-- 33 6 
- Compsilura concinnata Meig__.___-_-.-_---_-___---- 25 10 
Tachinidae (unidentified puparia)_.___-__.-.---_-- 13 3 
Hymenoptera: 
Ichneumonidae (dead larva) __-___________________- 1 1 
AR OGRUS SI ULUL DESH CESS anes eae etme witty ye pup kn 11 4 
5 5 
Trogus vulpinus Gran 222 2 oe ieee ee ee ee 
PaPpiLio TROILUS L. 
Food plants: Sassafras, spicebush. 
Collections yielding ‘ 
this parasite 
Number of | Number of 
collections larvae 
12 38 
14 47 
3 4 
1 1 
10 17 
5 5 
Occurrence: Collections from Massachusetts, Rhode Island, Connecticut, New 
York, New Jersey, and Pennsylvania. 
It is sometimes quite common where its 
food plants abound, though often overlooked by collectors as it usually remains 
during the daytime in a leaf folded about itself. 
Totals received: Collections, 49; larvae, 301; years, 10. 
Larvae: June to October. 
Pupae: Fall to spring, and July and August. 
Adults: May to July, and July to September. 
Generations: Two. 
Parasites 
Parasite Years 
specimens | recovered 
Diptera: 
Achaetoneura frenchit Will___.....____________-____- 3 2 
Compsilura concinnata Meig_..__...-..2------------ 25 2 
Hymenoptera: 
NF OUHS DOUJOORHS CRAY seo sosoe ees teehee 18 4 
FAMILY ASCIIDAE 
ASCIA RAPAE L. 
Food plants: Cruciferous plants. 
Collections yielding 
this parasite 
Number of | Number of 
collections larvae 
2 26 
6 76 
8 45 
Occurrence: Collections from New England, New York, New Jersey, and Penn- 
sylvania. 
Very often abundant enough to necessitate control measures. 
Totals received: Collections, 201; larvae and pupae, 7,501; years, 14. 
Larvae: June to November. 
Pupae: Every month. 
(Hibernates in this stage.) 
Adults: May to June, and June to October. 
Generations: Two or. three. 
