Exartema quadrifidum Zell. 



Food plant : Wild cherry. 



Occurrence: Bangor, Maine. 



Totals received: One small collection of about 25 larvae. 



Larvae : May and June. 



Pupae: June and July. 



Adults: July. 



Parasites : 



Collections Host 

 Parasite Years yielding larvae 



Hymenoptera: specimens recovered parasite collected 



Apanteles sp. (cocoons) 13 1 1 25f 



Exartema sericoranum Wlshm. 



Food plant: Bayberry. 



Occurrence: Westerly, R. I. 



Totals received: Two collections of 150 larvae. 



Larvae : May and June. 



Pupae: July. 



Adults: July. 



Parasites : 



Collections Host 

 Parasite Years yielding larvae 

 Diptera: specimens recovered parasite collected 



Nemorilla floralis (Fall.) 1 1 1 25 



Hymenoptera: 



Agathis calcaratus (Cress.) 7 1 1 25 



Horogenes comptoniellae (Vier.) 5 1 1 25 



Labrorychus prismaticus (Nort.) 1 1 1 25 



Macrocentrus ancylivorus Roh 4 1 1 25 



Exartema valdanum McD. 



Food plant: Meadow sweet. 



Occurrence: Maine and Massachusetts. 



Totals received: Collections, 8; larvae, t 82; years, 7. 



Larvae: May and June. 



Pupae: June and July. 



Adults : June and July. 



Parasites : 



Collections Host 

 Parasite Years yielding larvae^ 

 Hymenoptera: specimens recovered parasite collected 



Apanteles cacoeciae Riley 9 1 1 10 



Campoplex sp 1 1 1 16 



Glypta canadensis Cress 2 1 1 10 



Horogenes sp 1116 



Macrocentrus exartemae Walley 18 2 2 31 



Exartema permundanum Clem. raspberry leaf roller 



Food plants: Hickory, staghorn sumac. 

 Occurrence: Hingham and Swampscott, Mass. 

 Totals received: Two collections of 30 larvae. 

 Larvae: May to July. 

 Pupae: July and August. 

 Adults: Late in July and August. 

 Parasites : 



Collections Host 



Parasite Years yielding larvae 



Hymenoptera: specimens recovered parasite collected 



Agathis calcaratus (Cress.) 2 1 1 25 



22 



