MACROLEPIDOPTERA AND THEIR PARASITES 153 
FAMILY ENCYRTIDAE 
BERECYNTUS SP. 
Hosts: Sidemia devastator Brace, unidentified Noctuidae. 
Localities: Melrose, Mass. and vicinity. 
Adults: July. 
Number per host: Many. 
Generations: Number not known. 
Hibernation: Method not known. 
CoPpIDOSOMA TRUNCATELLUM DALM. 
Host: Autographa brassicae Riley. 
Localities: Blackwell’s Mills, Cranbury, and Somerville, N.J. 
Adults: July and August, and September to November. 
Number per host: Many. 
Generations: Number not known. 
Hibernation: Method not known. 
FAMILY PTEROMALIDAE 
DIBRACHYS HEMEROCAMPAE GIR. 
Hosts: Papilio ajax L., Estigmene acrea Dru., Hemerocampa leucostigma 8S. and 
Localities: Melrose, Mass.; Brooklyn, N.Y.; and Camden, Somerville, and 
Trenton, N.J. 
Adults: June to September. 
Number per host: Many. 
Generations: Two, possibly three. 
Hibernation: In host pupa. This species is often a hyperparasite. 
CoOELOPISTHOIDEA, N.SP. 
Host: Cynthia cardui L. 
Locality: Bridgewater, N.J. 
Adults: September (from hosts collected in July). 
Number per host: Several, approximately 10. 
Generations: Apparently at least two. 
Hibernation: Method not known. 
PsYCHOPHAGUS OMNIVORUS WALK. 
Hosts: Diacrisia virginica Fab., Hstigmene acrea Dru., Utetheisa bella L., un- 
identified Catocala, Melalopha inclusa Hbn., Datana ministra Dru., Hemero- 
campa leucostigma S. and A., Cnidocampa flavescens Walk. 
Localities: Bangor and Moro, Maine; Sandwich, N.H.; Dorchester, Manches- 
ter, Melrose, and Saugus, Mass.; Westerly, R.I.; Brooklyn, N.Y.; and Bridge- 
water, Cranbury, Somerville, Trenton, and Washington, N.J. 
Adults: June to July, and July to October. 
Number per host: From 4 to 90. 
Generations: Probably from 1 to 8. 
Hibernation: In host pupa. This species is often a hyperparasite. 
PTEROMALUS ARCHIPPI How. 
Hosts: Papilio ajaxt L., Basilarchia archippus Cram., B. arthemis astyanaz Fab. 
Localities: Wilmot, N.H.; Graniteville, Vt.; and Rutherford, N.J. 
Adults: June and July. 
Nun.ber per host: Many. 
Generations: Two, possibly more. 
Hiberration: In host pupa. 
PTEROMALUS PUPARUM L. 
Hosts: Ascia rapaet L., Hamadryas antiopa L., unidentified nymphalid. 
Localities: Wallagrass, Maine; Charlotte, Vt.; North Andover and Worcester, 
Mass.; and Elizabeth and Princeton, N.J. 
