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This is another small, little-known group that is poorly, if at all, represented in most collec-
tions. The species appear to be parasites of sawfly larvae.
Revision: Townes, 1948. U. S. Natl. Mus., Proc. 98: 85-89.
Taxonomy: Ashmead, 1898. Ent. Soc. Wash., Proc. 4: 132-133. —Bradley, 1905. Ent News 16:
14-17. — Yasumatsu, 1956. Insecta Matsumurana 19: 117-122. — Yasumatsu, 1958. Insecta
Matsumurana 21: 112-114. -Heqvist, 1959. Ent. Tidskr. 80: 137-139. —Yasumatsu, 1961.
Mushi 35: 68-69.
Biology: Chao, 1957. Fukien Agr. Jour. 5: 73-76 {Ropronia reported to be parasitic on sawfly
larvae).
Genus ROPRONIA Provancher
Ropronia Provancher, 1886. Addit. Corr. Faune Ent. Canada Hym., pp. 152, 154.
Type-species: Ropronia pediculata Provancher. Monotypic.
Roptronia Ashmead, 1898. Ent. Soc. Wash., Proc. 4: 132. Error.
Ropronia californica Ashmead
Calif., Greg.
RoptroniaC) californica Ashmead, 1898. Ent. Soc. Wash., Proc. 4: 133. ♂.
Ropronia garmani Ashmead
N. H. to Ga., w. to Iowa.
Roptronia (!) garmani Ashmead, 1898. Ent. Soc. Wash., Proc. 4: 132. ♂.
Ropronia pediculata Provancher
Ont., N. Y. Host: Monoctenus suffusus (Cress.). (Record communicated
by L. Masner in correspondence).
Ropronia pediculata Provancher, 1886. Addit. Corr. Faune Ent. Canada Hym., p. 154. ♀.
Ropronia ashvteadii Bradley, 1905. Ent. News 16: 17. ♀.
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