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)
Published in Proceedings of the Entomological Society of Washington, in 2007, in volume 109, pages 1-8
Date published:2007