Pterophorus periscelidactylus Fitch grape-plume'moth 



Food plant: Grape. 



OcciuTence: New Hampshire, Vermont, and Massachusetts. 



Totals received: Collections, 35; larvae 1,552; years, 15. 



Larvae: May to July. 



Pupae: June, July. 



Adults: June and July. 



Generations: One; winter is passed in the egg stage. 



Parasites: 



Collections Host 



Parasite Years yielding larvae 



Hymenoptera: specimens recovered parasite collected 



Apanteles n. sp. (7) 12 2 3 80 



Bracon gelcchiae Ashm *6 1 1 1 



Elasmus atratus How ^§16 1 1 6 



Phohocampe (unissued cocoons) 7 1 1 15 



Pleurotropis tarsalis (Ashm.) §111 3 



* 16 E. atratus issued from 6 Apanteles cocoons. 



Platyptilia carduidactyla (Riley) 



Food plant: Thistle (buds). 



Occurrence: Somerville, N. J. 



Totals received: One collection of several infested buds. 



Larvae: June, July. 



Pupae: July. 



Adults: July. 



Parasites: None. 



Oidaematophorus homodactylus (Wlk.) 



Food plants: Joe-pye-weed, goldenrod. 



Occm-rence: Maine, New Hampshire, Massachusetts, and Con- 

 necticut. 



Totals received: Collections, 25; larvae, 606; years, 12. 

 Larvae: May and June. 

 Pupae: June and July. 

 Adults: Late in June and July. 



Parasites: collections Host 



Parasite Years yielding larvae 



Diptera: specimens recovered parasite collected 



Compsilura concinnata (Meig.) 1 1 1 9 



Oxynops anthracina (Big.) 1 1 1 21 



Pseudosiphona brevirostris (Coq.) 3 11 8 



Tachinophylo floridensis (Towns.). Ill 8 



Hymenoptera: 



Apanteles pterophori "Mues 12 3 3 236 



Hyposoier sp 3 1 1 10 



Nematodes 1 1 1 21 



Oidaematophorus monodactylus (L.) 



Food plant: Joe-pye-weed. 



Occurrence: Massachusetts, Connecticut, and New York. 



Totals received: Collections, 7; larvae, 81; years, 5. 



Larvae: May and June. 



Pupae: June and July. 



Adults: Late in June and July. 



Parasites: collections Host 



Parasite Years yielding larvae 



Diptera: specimens recovered parasite collected 



Larvaevoridae (unissued puparium) 111 1 



Oxynops anthracina {'Qig.) 5 1 1 32 



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