The insects listed below were collected while visiting Melilotus alba and M. officinalis flowers in 1916.
AT ARLINGTON, VA.
Neuroptera.—Perithemis domitia Dru., Enallagma sp.
Hemiptera.—Adelphocoris rapidus Say, Lygus pratensis Linn, (tarnished plant bug).
Coleoptera.—Chauliognathus marginatus Fabr. (margined soldier beetle), Diabrotica 12-punctata Oliv. (southern corn rootworm).
Lepidoptera.—Pieris protodice Bd. (imported cabbage butterfly), Heodes hypophleas Bd., Lycaena comyntas Gdt., Hylephila campestris Bd., Scepsis fulvicollis Hubn., Ancyloxypha numitor Fabr., Pholisora catullus Fabr., Pyraustid sp., Loxostege similalis Gn. (garden webworm), Thecla melinus Hubn., Colias philodice Gdt. (the common sulphur butterfly), Tarachidia caudefactor Hubn., Pyrameis atalanta Linn., Drasteria (2 species), Diacrisia virginica Fabr. (the woolly bear).
Hymenoptera.—Halictus lerouxi Lep., H. provancheri (sweat bee), H. pectoralis Sm. (sweat bee), Halictus (3 unidentified species), H. legatus Say, Bombus affinis Cr., B. impatiens Harris (bumblebee), Melissodes bimaculata Lep., Polistes pallipes Lep. (paper wasp), Megachile sp. (leaf-cutter bee), Coelioxys octodentata Say, Xylocopa virginica Drury (common carpenter bee), Pompiloides sp., Apis mellifica Linn, (honeybee), Philanthus punctatus Say, Sphex nigricans Dahlb. (caterpillar hawk), S. pictipennis Walsh (caterpillar hawk).
Diptera.—Archytas analis Fabr., Chrysomyia macellaria Fabr. (screw-worm fly),. Pollenia rudis Fabr. (cluster fly), Ocyptera carolinae Desv., Trichophora ruficauda V. D. W., Eristalis arbustorum Linn., Physocephala tibialis Say.
AT AMES, IOWA.