128 MISC. PUBLICATION 188, U.S. DEPT. OF AGRICULTURE 
MICROPLITIS MAMESTRAE WEED. 
Host: Ceramica picta Harr. 
Localities: Carmel, Maine; Concord, N.H.; and Acton, Lynnfield, Melrose, 
and Sherborn, Mass. 
Adults: Early June, and July to August. 
Number per host: One. 
Generations: Two. 
Hibernation: In cocoon. 
MIcROPLITIS, N.SP. (1) | 
Host: Acronycta americana Harr. 
Localities: Saint John, Maine, and Smyrna, N.Y. 
Adults: May (host larvae collected the previous August and September). 
Number per host: One. 
Generations: Possibly two. 
Hibernation: In cocoon. 
MICROPLITIS, N.SP. (2) 
Host: Cucullia convexipennis G. and R. 
Loealities: Exeter,,Glenburn, and Harmony, Maine. 
Adults: August to October. 
Number per host: One. 
Generations: At least two. 
Hibernation: Method not known. 
MICROPLITIS, N.SP. (3) 
Host: Catocala antinympha Hbn. 
Locality: Melrose, Mass. 
Adults: May and’ June. 
Number per host: One. 
Generations: One. 
Hibernation: In cocoon. 
MICROPLITIS, N.SP. (4) 
Host: Unidentified noetuid. 
Locality: Cranberry Lake, N.Y. 
Adults: July (from host larva collected in June). 
Number. per host: One. 
- Generations: Number not known. 
Hibernation: Method not known. 
MICROPLITIS, N.SP., NEAR VARICOLOR VIER. 
Host: Graptolitha sp. 
Locality: Mason, N.H. 
Adults: Late May to-June. 
Number per host: One. 
Generations: One. 
Hibernation: In cocoon. 
MIcROPLITIS QUADRIDENTATUS PROV. 
Host: Simyra henrici Grt. 
Localities: Lynn and Revere, Mass. 
Adults: July and August. 
Number per host:: One: 
Generations: Number not known. 
Hibernation: Method. not known. 
MICROPLITIS SP. 
Host: Graptolitha antennata Walk. 
Localities: Auburn,. N.H.;; and Essex, Vt. 
Adults: April and’ May. 
Number per host: One: 
Generations: One: 
Hibernation: In cocoon.. 
