66 MISC. PUBLICATION 188, U.S. DEPT. OF AGRICULTURE 
Parasite 
lk j 
Parasite Years 
‘specimens | recovered 
collections 
Diptera: : 
Tachinidae (unidentified puparium)______-_------- 1 1 1 | 
CATOCALA BRISEIS Epw. 
Food plants: Aspen and Willow. 
Collections yielding 
this parasite 
Number of | Number of 
larvae 
Occurrence: Two collections of one larva each from Malden and Newberry, 
Mass., in June. 
Pupae: July. 
Adults: Late July. 
CaTOCALA UNIJUGA WALK. 
Food plant: Aspen. 
Oceurrence: One collection of two larvae from Noyihfield, Vt., in June. 
larva was inflated for the Melrose Highlands laboratory.) 
Pupa: July. 
Adult: Late July. 
CATOCALA CONCUMBENS WALK. 
Food plant: Willow. 
Occurrence: One larva coilected at Ayer, Mass., in June. 
Pupa: July. 
Adult: Late July. 
CATOCALA AMATRIX VAR. NURUS WALK. 
Food plant: Aspen. 
Occurrence: Collections from Watertown, Mass., and Hillsboro, N.J. 
Totals received: Collections, 2; larvae, 4; years, 2. 
Larvae: June to August. 
Pupae: July and August. 
Adults: August and September. 
CATOCALA COCCINATA GRT. 
Food plant: Black oak. 
Occurrence: Collections from Dover and Reading, Mass. 
Totals received: Collections, 2; larvae, 2; years, 1. 
Larvae: May and June. 
Pupae: June and July. 
Adult: Late July. 
CATOCALA ULTRONIA HBN. 
Food plant: Black locust. 
Occurrence: Collections from Bound Brook, N.J. 
Totals received: Collections, 2; larvae, 29; years, 1. 
Larvae: May and June. 
Pupae: June and July. 
Adults: July. 
CATOCALA POLYGAMA GUEN. 
Food plant: Not listed. 
Occurrence: One larva collected at Grafton, N.H., in June. 
Pupa: June and July. 
Adult: July. 
CaToOcAaLA MINUTA Epw. 
Food plant: Black locust. 
Occurrence: Collections from Bound Brook, N.J. 
Totals received: Collections, 2; larvae, 11; years, 2. 
Larvae: May and June. 
(One 
