A NEW SPECIES OF ELASMOSOMA RUTHE (HYMENOPTERA: BRACONIDAE: NEONEURINAE) FROM THE NORTHWESTERN UNITED STATES ASSOCIATED WITH THE WESTERN THATCHING ANTS, FORMICA OBSCURIPES FOREL AND FORMICA OBSCURIVENTRIS CLIVIA CREIGHTON (HYMENOPTERA: FORMICIDAE)

摘要

A new species of neoneurine braconid, Elasmosoma michaeli, is described from Oregon, Washington, and Wyoming (Yellowstone National Park). The new species is an imagobiont endoparasitoid of adult workers of Formica obscuripes Forel in Washington and Wyoming. This species was recorded as a parasitoid of Formica obscuriventris clivia Creighton workers in Oregon. This is the first record of Elasmosoma attacking Formica obscuripes.