MACROLEPIDOPTERA AND THEIR PARASITES 99 
ELLOPIA FISCELLARIA GUEN. 
Food plants: Hemlock, yellow birch, and to some extent, beech, blueberry, elm, 
and oak. 
‘Occurrence: Collections from Bath, Maine; Theresa and Redwood, N.Y. 
It appeared in outbreak form in 1927 at Bath, Maine, defoliating and killing 
100 acres of hemlock, also in 1927-28 at Theresa and Redwood, N.Y., defoliating 
several acres of hemlock, and causing death of many large trees. 
Totals received: Collections, 8; larvae, 1,935; years, 3. 
Larvae: July and August. 
Pupae: Late August to early October. 
Adults: September and early October. 
PARASITES 
Collections yielding 
this parasite 
Parasite Years 
specimens | recovered 
Number of | Number of 
Collections larvae 
Diptera: 
Anetia eufitchiae Town____---__----------_---_---_- 18 2 3 589 
Madremyia saundersit Will___-__--.-_.--_--_-_____- 3 1 3 1, 704 
Winthemia sp. (puparia)_____-__________--_______-_- 4 1 2 1, 379 
Tachinidae (unidentified puparium)_________-__--_ 1 1 1 325 
Hymenoptera: 
PAD ENCELESHIM SIO esce, et a) OD lowes ee fant pRB SLL ly Si Se 1 1 1 31 
Campoplegini (cocoons) ---_-._-----------_---_----- 2 it 2 704 
CAMPAEA PRAEGRANDARIA GUEN. 
Food plant: Apple. 
Occurrence: One larva collected at Burnham, Maine, in May. 
Pupa: Late May and June. 
Adult: June. 
EUGONOBAPTA NIVOSARIA GUEN. 
Food plant: Meadowrue. 
Occurrence: One collection of three larvae from Melrose, Mass. 
Larvae: May and June. 
Pupae: Late June to July. 
Adults: July. 
Parasites 
Collections yielding 
this parasite 
Parasite Years 
specimens | recovered 
Number of } Number of 
collections larvae 
Diptera: 
Actia sp. near palloris Coq__----------------------- 3 1 1 3 
Compsilura concinnata Meig..__.__..---..--.------- 1 1 1 3 
ENNOMOS SUBSIGNARIUS HBN. 
Food plants: Red maple, yellow birch, and other deciduous growth found 
in lowlands. 
Occurrence: Collections from Massachusetts. Abundant in several red maple 
swamps in eastern Massachusetts from 1914 to 1919. The most serious out- 
breaks recorded were in Bedford and Middleboro, Mass., where severe defoliation 
over many acres occurred in 1915 and 1916 diminishing in 1917. No larvae 
have been received since 1920. 
Totals received: Collections, 21; larvae, 2,956; years, 6. 
Larvae: May and June. 
Pupae: June and July. 
Adults: July. 
