Proceedings of the Entomological Society of Washington, Volumes 1-2

abdomen abundant American antennæ ants apex apical appearance Ashmead bark basal base bees beetles belong body burrows C. L. MARLATT C. V. Riley cell cephalothorax characters Cicada claws cocoon Coleoptera collection color common coxæ described Diptera dorsal E. A. SCHWARZ eggs Entomological entomologists European exhibited eyes fact fauna feeding female femora Florida food-plant galleries galls genera genus habits hairs hind host Howard Hymenoptera imago infested insects joint June Kirch known Koch labium large numbers larva larvæ lateral legs length Lepidoptera male mandibles margin Marlatt Marx maxillæ middle myrmecophilous nearly nest North America observed occur ovipositor pale palpi parasitic peculiar plants posterior Potomac hills present Prof pronotum pubescence pupa read the following reared recorded referred remarkable Rock Creek Scolytids scutellum segment short Siberia side Society species specimens spider thorax tibiæ tion transverse trees Uhler Washington wings