Bucculatrix ainsliella Murt. oak skeletonizer 



Food plant: Red oak (in outbreaks many other species of deciduous 

 trees also are attacked). The oak skeletonizer appears occasionally 

 in epidemics over rather large areas. 



Occurrence: Massachusetts and New York. 



Totals received: Collections, 5; larvae,! many hundreds; years, 3. 



Larvae: June-July, and September-October. 



Pupae: Fall to spring, and July- August. 



Adults: May, and late in July and early in August. 



Parasites: 



Hymenoptera: 



Bucculairiplex bucculatricis (Ashm.). 



Chrysocharis n. sp 



Cirrospilus cindithorax (Grit.) 



C. flavicinctus Riley 



Eurytoma solenozopheriae Ashm. 



Pnigalio maculipes (Cwfd.) 130 



FAMILY PSYCHIDAE bagworm 



Thyridopteryx ephemeraeformis (Haw.) 



Food plants: Apple, arborvitae, basswood, bayberry, cedar, wild 

 cherry, hackberry, black locust, honey locust, maple, poplar, sassafras, 

 sycamore, willow. 



Occurrence: Massachusetts, New York, New Jersey, Pennsylvania, 

 Maryland, Delaware, and Missouri. 



Totals received: Collections, 38; larvae, 3,205 bags; years, 14. 



Larvae: June, July, August, and September. 



Pupae: August, September, and October. 



Adults: September and October. 



Hibernation: Eggs within bag. 



Parasites : 



Collections Host larvae 



Parasite Years re- yielding and pupae 



Diptera: specimens covered parasite collected 

 Anachaetopsis (Hypostena) tortricis 



(Coq.) 2 2 2 367 



Larvaevoridae (maggot) 111 105 



Phorocera claripennis Macq 10 5 7 982 



Zenillia blanda {O. S.) 3 2 2 252 



Hymenoptera: 



Brachymeria ovata ovata (Say) 2 1 1 91 



Habrocytus thyridopterigis How 3 1 1 91 



Ichneumonini 1 1 1 58 



I topleclis conquisiior (Say) 90 8 13 1,093 



Phobetes thyridopteryx (Riley) 7 3 4 450 



Eurukuttarus confederata (Grt.) 



Food plants: Wild cherry, privet. 



Occurrence: Massachusetts and New Jersey. 



Totals received: Collections, 6; larvae, 190 bags; years, 5. 



Larvae: July to following spring. 



Pupae: June-July. 



Adults: June-July. 



Parasites: 



Collections 

 Parasite Years yielding Number 



Hymenoptera: specimens recovered parasite of bags 



Pimola aequalis Vtov 2 1 2 37 



Spilochalcis side (Wlk.) 1112 



46 



