MACROLEPIDOPTERA AND THEIR PARASITES ‘ 123 
WINTHEMIA DATANAE Town. (var. A.) 
Hosts: Catocala sp., Ianassa lignicolor Walk., Schizura tpomoeae Dblidy., 
S. concinna 8. and A., S. badia Pack., S. unicornis 8. and A., S. leptinoides Grt. 
Localities: Many in Maine, Massachusetts, Connecticut, New York, and New 
Jersey. 
Adults: May to October. 
Number per host: From 1 to 4. 
-Generations: Two. 
Hibernation: As full-grown maggot in soil. 
WINTHEMIA DATANAE Town. (vAR B.) 
Hosts: Hyloicus gordius Cram., H. drupiferarum S. and A., Paonias excaecata 
S. and A., Cressonia juglandis S. and A., Antsota senatoria 8. and A., A. 
rubicunda Fab. 
Localities: Many in New England, New York, and New Jersey. 
Adults: June to August. 
Number per host: From 1 to 14. 
Generations: One. 
Hibernation: As full-grown maggot in soil. 
WINTHEMIA DATANAE Town. (vAR. C.) 
Hosts: Diacrisia virginica Fab., Estigmene acrea Dru., Euchaetias egle Dru., 
unidentified arctiid, Hemerocampa leucostigma S. and A. 
Localities: Many in Maine, Massachusetts, Connecticut, New York, New 
Jersey, and Pennsylvania. 
_ Adults: May to October. 
Number per host: From 1 to 10. 
Generations: At least two. 
Hibernation: As full-grown maggot in soil. 
WINTHEMIA DATANAE Town. (vAR. D.) 
Host: Hyperaeschra stragula Grt. 
Localities: Haverhill, Mass.; and Quinebaug, Conn. 
Adults: June and August. 
Number per host: From 1 to 8. 
Generations: At least two. 
Hibernation: Method not known. 
WINTHEMIA RUFOPICTA BiGoT 
Hosts: Unidentified sphingid, Alypia octomaculata Fab., Agrotis c-nigrum { L., 
Ceramica picta Harr., Cirphis unipuncta Haw., Cucullia convexipennis G. and R., 
Graptolitha antennata Walk., Graptolitha sp., Xylena nupera Lint., Epiglaea 
apiata | Grt., Amphipyra pyramidoides + Guen., Autographa brassicae Riley, 
Heterocampa guttivitta | Walk., Alsophila pometaria Harr. 
Localities: Many in Massachusetts, Connecticut, New York, New Jersey, and 
Pennsylvania. 
Adults: May to September. 
Number per host: From 1 to 10. 
Generations: Two, possibly three. 
Hibernation: As full-grown maggot in soil. 
WINTHEMIA SP. 
Hosts: Platysamia cecropia L., Callosamia promethea Dru., Hemileuca maia 
Dru. or lucina Hy. Edw., Hyphantria cunea Dru., Catocala antinympha Hbn., 
C. minuta Edw., Melalopha inclusa Hbn., Symmerista albifrons S. and A., Ellopia 
fiscellaria Guen. 
Occurrence: New England, New York, and New Jersey. 
Adults: Not reared. 
Number per host: From 1 to 11. 
Unissued puparia from these hosts were identified as belonging to 
the genus Winthemia. Specific determinations cannot be made until 
adults are reared. 
