MACROLEPIDOPTERA AND THEIR PARASITES 9 
EUPHYDRYAS PHAETON DRwv. 
Food plant: Turtlehead. 
Occurrence: Collections from Maine, Massachusetts, New York, and New 
Jersey. Often very common where its food plant is plentiful. Hibernates as 
partly grown larvae,,.usually in colonies. 
Totals received: Collections, 31; larvae, 1,171; years, 10. 
Larvae: July to June. 
Pupae: June and July. 
Adults: June and July. 
Generations: One. 
Parasites 
Collections yielding 
this parasite 
Parasite Years 
specimens } recovered 
: Number of | Number of 
collections larvae 
ae ee pe > 
Diptera: 
Compsilura concinnata Meig_-.___-__---_----_------ 1 1 1 200 
Hymenoptera: 
Amblyteles versabilis Cress_....-_..------__-------_- 5 2 4 190 
PA DO MTCIE SAAS) ase eh eee NE el 5 1 af 200 
Benjaminia euphydryadis Vier__._-.-.-------------- 8 5 6 200 
LEMONIAS HARRISII SCUD. 
Food plant: Aster. 
Occurrence: Collections from Maine, New Hampshire, Vermont, Massachu- 
setts, and New Jersey. Sometimes quite common locally. Hibernates gregari- 
ously in a webbing on or near the food plant. 
Totals received: Collections, 25; larvae, 714; years, 10. 
Larvae: July to June. 
Pupae: June to early July. 
Adults: June and July. 
Generations: One. 
Parasites 
Collections yielding 
this parasite 
Parasite Years 
specimens | recovered 
Number of | Number of 
« collections larvae 
Diptera: 
Compsilura concinnata Meig__.__-----___----------_- 1 1 1 10 
Tachinidae (unidentified maggot)_.________-_______- 1 1 1 10 
Hymenoptera: 
Apanteles ewphydryidis Mues____._-...__---_--_----- val 1 1 1 
PA DONLELES LUN OUUS) E,AC Kae ag eke) 3 1 il 10 
PAQIUTECLES ST) sae uate Sea nl Aa ee oe Pea Sag 1 1 1 2 
Benjaminia euphydryadis Vier__.-..-.___------------ 1 1 1 10 
Amblyteles propitius Cress.____-.---_-_.----------_- 1 1 1 3 
POLYGONIA INTERROGATIONIS FAs. 
Food plants: Elm, hackberry, hop, nettle. 
Occurrence: Collections from Maine, New Hampshire, Massachusetts, Rhode 
Island, Connecticut, New York, New Jersey, and Pennsylvania. Sometimes 
very common along roadsides, especially on elm sprout growth. 
Totals received: Collections, 94; larvae, 977; years, 12. 
Larvae: May to September. 
Pupae: June to October. 
Adults: Issue late June to October. (Hibernate as adults.) 
Generations: At least two. 
