MACROLEPIDOPTERA AND THEIR PARASITES 11 
Parasite 
Collections yielding 
thi i 
Parasite Years is parasite 
specimens | recovered nqananen ofl Number of 
collections larvae 
Diptera: : 
Compsilura concinnata Meig_.__--------------------- 3 1 1 1 
| HAMADRYAS MILBERTI GODT. 
Food plant: Nettle. 
Occurrence: New England States, New York, and New Jersey. Larvae 
usually gregarious and often in large numbers locally. 
Totals received: Collections, 56; larvae, 5,100; years, 9. 
Larvae: May to September. 
Pupae: June to October. 
Adults: June to October. (Adults hibernate.) 
Generations: At least two. 
Parasites 
Collections yielding 
Parasite Years ans baer 
specimens | recovered Number of | Number of 
collections larvae 
Diptera: : 
Achaetoneura archippivora Will__-__------------------ 130 1 2 122 
Compsilura concinnata Meig___--------------------- 735 4 20 1, 961 
Pelatachina pellucida Coq ------ eee eee ame 1 1 1 331 
Tachinidae (unidentified puparia)----_-------_---_- 6 3 3 491 
Winthemia (?) quadripustulata Fab__--------------- 5 3 4 260 
ZENVUUG SUS OSes nee as Rs WEE ho 18 3 6 269 
Hymenoptera: 
- Apanteles atalantae Pack____-_---------------------- *665 8 32 3, 740 
Apanteles edwardsii Riley____----------------------- 3 1 1 12 
Ay posoter n. sp------------ PAs ak ak at AAS 2 8 le el 2 1 1 33 
HAMADRYAS ANTIOPA L. 
Food plants: Elm, aspens, willows. 
Occurrence: Collections from New England States, New York, New Jersey, 
and Pennsylvania. Larvae are gregarious and often very common, sometimes 
defoliating small trees or sprout growth but seldom abundant enough to defoliate 
trees of large size. 
Totals received: Collections, 323; larvae and pupae, 21,529; years, 15. 
Larvae: May to late September. 
Pupae: June to October. 
Adults: Issue June to October. (Hibernate in this stage.) 
Generations: At least two. 
Parasites 
Collections yielding 
this parasite 
Parasite Years ; Gaon 
specimens | recovere umber of 
pupae 
Diptera: 
PA CHMELONECUTCALELL ACRE Cee ee 10 3 6 939 
Achactoneunayrenchit:, Wiles 2282s) ee eee 1 1 1 80 
Achaetoneura archippivora Will__-------------_----- 1 1 1 16 
Compsilura concinnata Meig_______________________- 5, 535 15 154 9, 358 
CLOLEERIN Gx PCH IECId a: © Oe ae weer ene eau nny apl 3, 294 15 112 4, 574 
Phorocera clarpennis Macqe 2.2225 se ae 77 6 20 2, 186 
SPIN GT OCCN (Us S TO ere aes eye eye I Un ALL eae 7 1 2 305 
EGORUSE SAV CLL@i Vell Keen ene 2 ea ese ye 2 AR ee a 3 3 367 
Winthemia (?) sinuata Reinhard_____-___-__-_-______- 2 2 2 392 
Hymenoptera: 
Ephialtes (Itoplectis) conquisitor Say..__------------ 1 1 1 100 
ELA POS OC CT MRIS ee ese eae agree ee Sy Segall 99 8 15 744 
ECR ONLGALS (UPON ALTD Mis eee ea aye ede aS paps all 1 1 1 
