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146 MISC. PUBLICATION 188, U.S. DEPT. OF AGRICULTURE 
LABRORYCHUS ELONGATUS DAVIS 
Host: Halisidota maculata Harr. 
Localities: Bangor, Burnham, Frenchville, Grand Isle, Harrington, Houlton, 
Hon auekeee, Kingsbury, Madawaska, Masardis, Van Buren, and Wallagrass, 
aine. 
Adults: July and August. 
Number per host: One. 
Generations: One. 
Hibernation: In host pupa. © \ 
LABRORYCHUS RELICTUS Nort. 
Hosts: Datana ministra Dru., D. integerrima G. and R. 
Localities: Charleston and Hermon, Maine; Dryden, Mooers, Rouses Point, 
Venice, and Watertown, N.Y.; Barley Sheaf, N.J.; and Halstead, Pa. 
Adults: July and August. 
Number per host: One. 
Generations: One. 
Hibernation: In host pupa. 
LABRORYCHUS SP. (1) 
Hosts: Ctenucha virginica Charp. 
Localities: Bangor and Orono, Maine. 
Adults: Late June to July (from hosts collected the previous May). 
Number per host: One. 
Generations: Number not known. 
Hibernation: Method not known. 
LABRORYCHUS SP. (2) 
Host: Hyphaniria cunea Dru. 
Locality: Chelmsford, Mass. 
Adults: Late May to June (from hosts collected the previous September). 
Number per host: One. 
Generations: Probably two(?). 
Hibernation: In host pupa. 
LABRORYCHUS SP. (3) 
Host: Trachea turbulenta Hbn. 
Locality: Essex, Mass. 
Adults: July and August. 
Number per host: One. 
Generations: One. 
Hibernation: In host pupa. 
LABRORYCHUS sp. (4 
Host: Parallelia bistriaris Hbn. 
Locality: North Adams, Mass. 
Adults: June. 
Number per host: One. 
Generations: One. 
Hibernation: In host pupa. 
LaBrorycHuus P. (5) 
Host: Calocalpe undulata L. 
Locality: Marion, Mass. 
Adults: July. 
Number per host: One. 
Generations: One. 
Hibernation: In host pupa. 
