82 MISC. PUBLICATION 188, U.S. DEPT. OF AGRICULTURE 
Parasites 
| Collections yielding 
this parasite 
Parasite Years 
specimens | recovered 
Number of | Number of 
collections | larvae 
Diptera: J 
Compsilura concinnata Meig__-_-------------------- 2 2 2 6 
PA CHOCLONEUNGLDUD CTU OWMet ose oe oo ee i 1 1 2 
Tachinidae (unidentified puparia)______-_-----__-_- | 6 2 3 3 
Winthemia datanae Town (var. A.)___.------------- 13 4 5 26 
Hymenoptera: 
Apuntelesischizunge-ASnm= = 22s 2 ones = aes *3 2 2 7 
MCOMEAOLATOINOCETLS CwAd ease “Al 1 1 6 
Meteorus hyphantriae Riley_--__--------------_----- 1 1 1 6 
IBISESOIG? SDs oS ee a 6 Se 1 1 1 15 
ScHIZURA LEPTINOIDES GRT. 
Food plants: Beech, wild cherry, hickory, and willow. 
Oceurrence: Collections from Township ih Range 5, Maine; Cheshire, Mass.; 
Trenton, N.Y.; and Hillsboro and Piscataway, N.J 
Totals received: Collections, 5; larvae, 7; years, 4. 
Larvae: August and September. 
Pupae: Cocoons formed in fall, but when pupation takes place was not observed. 
Adults: June to July. 
Parasite 
Collections yielding 
this parasite 
Parasite Years 
specimens | recovered 
Number of | Number of 
collections larvae 
Diptera: 
Winthemia datanae Town. (var. A.)_____---__--____ 3 1 1 1 
CERURA OCCIDENTALIS LINT. 
Food plants: Aspen and willow. 
Occurrence: Collections from New England States. 
Totals received: Collections, 38; larvae, 57; years, 13. 
Larvae: June to July, and August to October. 
Pupae: July to August, and fall to spring. 
Adults: Late May to June, and July to August. 
Generations: Two. 
Parasite 
| Collections yielding 
this parasite 
Parasite Years 
specimens | elec 
Number of | Number of 
| collections larvae 
Diptera: : 
CompsiluraconcinnataMeice = ==. == 2 eee 1 1 1 
CERURA. CINEREA: WALK. 
Food plants: Aspen and willow. 
Occurrence: Collections from Corinth and Orrington, Maine; Lynnfield, 
Melrose, and Worcester, Mass.; - Willimantic, Conn.; and Albion, N.Y. 
Totals received: Collections, 7; larvae, 8; years, 5. 
