FAMILY PHYCITIDAE 



Acrobasis caryivorella Rag. 



Food plant: Hickory. 



Occurrence: Massachusetts and Connecticut. 



Totals received: Collections, 6; larvae, 101; years, 5. 



Larvae: May and June. 



Pupae: June and July. 



Adults: Late June and July. 



Parasites: 



Collections 

 Parasite Years yielding 

 Diptera: specimens recovered parasite 



Nemorilla floralis (Fall.) 10 3 3 



Hymenoptera: 



Agathis calcaratus (Cress.) 6 11 



Br aeon variabilis (Pro v.) 3 11 



Glypta simplicipes Cress 2 11 



Orgilus sp 1 1 1 



Acrobasis coryliella Dyar 



Food plant: Hazelnut (filbert). 



Occurrence: Wakefield, Mass. 



Totals received: Collections, 3; larvae, 7; years, 3. 



Larvae: May and June. 



Pupae: Late June and July. 



Adults: July. 



Parasites: 



Collections 

 Parasite Years yielding 

 Diptera: specimens recovered parasite 



Nemorilla floralis (Fall.) 111 



Hymenoptera: 



Exochus apicalis Cress 111 



Phytodietus burgessi (Cress.) 111 



Acrobasis betulella Hulst 



Food plants : Alder, gray birch. 



Occurrence: Maine, New Hampshire, and Massachusetts. 



Totals received: Collections, 31; larvae, 509; years, 12. 



Larvae: May to July. 



Pupae: June, July. 



Adults : Late June to early in August. 



Parasites : 



Collections 

 Parasite Years yielding 



Diptera: specimens recovered parasite 



Larvaevoridae (unidentified puparium)__ 111 



Hymenoptera: 



Agathis calcaratus (Cress.) 29 6 10 



Apanteles canarsiae Ashm 111 



Campoplegine cocoons 3 2 3 



Horogenes comptoniellae (Vier.) 111 



H. parviformis (Vier.) 3 2 3 



Macrocentrus instabilis Mues 4 2 2 



Mesostenus thoracicus Cress 4 11 



Meteorus indagator (Riley) 22 4 5 



M. niveitarsis (Cress.) 111 



Microtypus n. sp 4 2 2 



Perilampus fulvicornis Ashm 6 3 4 



Phanerotoma tibialis (Hald.) 2 11 



Phytodietus burgessi (Cress.) 5 3 3 



P. pulcherrimus (Cress.) 111 



Scambus hispae (Harris) 2 12 



Nematodes 2 11 



Host 



larvae 

 colltctsd 



95 



25 

 60 

 10 

 25 



Host 

 larvae 

 collected 



Host 

 larvae 

 collected 



17 

 259 



36 



36 



50 



93 

 103 



43 

 182 



43 



22 

 143 



28 

 103 



50 



113 



3 



14 





