MACROLEPIDOPTERA AND THEIR PARASITES 17 
CERATOMIA AMYNTOR HBN. 
Food plants: Basswood, birch, elm. 
Occurrence: Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, 
New York, and New Jersey. 
Totals received: Collections, 28; larvae, 29; years, 11. 
Larvae: July to October. 
Pupae: Fall to spring. 
Adults: June and July. 
Parasite 
| Collections yielding 
| 
this parasit 
Parasite Years P ay 
specimens | recovered Number of | Number of 
collections larvae 
Diptera: 
Sturmia incompta v.d.W _.------------------------- 18 1 1 2 
CERATOMIA UNDULOSA WALK. 
Food plants: White ash, lilac. 
Occurrence: Collections from Maine, New Hampshire, Massachusetts, Con- 
necticut, New York, New Jersey, and Pennsylvania. This species was found 
defoliating some roadside white ash trees at Leyden, N.Y., in August 1928. 
Totals received: Collections, 15; larvae, 70; years, 7. 
Larvae: June to October. 
Pupae: Fall to spring. 
Adults: Late May to July. 
Parasites 
Collections yielding 
, this parasite 
Parasite Years P 
specimens | recovered NiuibenonaNiadior or 
collections larvae 
Diptera: 
Achaetoneura frenchii, Will_____-_-__-____-_______-_- 334 2 3 56 
Compsilura concinnata Meig____-__--__-_-_------_-_- 2 1 1 1 
Tachinidae (unidentified puparia)_._.____________-- 7 1 1 2 
Hymenoptera: 
Apanteles smerinthi Riley....__..--------------_--- “Il 1 1 2 
CERATOMIA CATALPAE Bpy. 
Food plant: Catalpa. 
Occurrence: Collections from New Jersey. Often reported as injurious. 
Totals received: Collections, 30; larvae, 2,452; years, 7. 
Larvae: Middle of June to early October. 
Pupae: Found every month of. the year. 
Adults: Early June to late September. 
Generations: At least two. 
Parasites 
Collections yielding 
Parasite | Years sec eM eie ceonieis tenn 8 
specimens } recovered RUT TRE ee 
collections larvae 
Diptera: 5 
Achaetoneura frenchit Will__-.___._--.--___---__--_- 8 3 3 286 
PA CHOCLON EUG SPs es eS yes Eye oy ae a aoe een. 1 1 1 317 
Compsilura concinnata Meig___________-______---_-- 3 1 1 34 
Phorocera claripennis Macq_-_--_-_-_---_------------- 7 1 1 84 
Tachinidae (unidentified puparia)__________________ 2 1 il 300 
Winthemia datanae Town ______-.____-_-_-_---__--- 31 4 6 1, 000 
ZENA DIT PAC ANG) Wiles 2 See ees see aan 3 1 1 300 
Hymenoptera: 
Apanteles congregatus Say 
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