Adult <i>Ophion</i> sp., a solitary, internal, larval-pupal parasitic (parasitoid) wasp of salt marsh caterpillar, <i>Estigmene acrea</i>.
Adult Ophion sp., a solitary, internal, larval-pupal parasitic (parasitoid) wasp of salt marsh caterpillar, Estigmene acrea.
Credit: Earl R. Oatman