Johnson (Hymenoptera, Scelionidae): new diagnostic data, distribution records and host associations.

Specimens of an egg parasitoid wasp, Johnson (Platygastroidea, Scelionidae), were reared from stink bug egg masses collected in the wild, in Maryland, United States. The egg masses were identified morphologically as (Stål), Stål and Dallas (Hemiptera, Pentatomidae). Molecular tools were used to further identify the egg masses as (Say) and (Say).