Ashmead William

A Monograph Of The North American Proctotrupidae

Classification Of The Bees

Harriman Alaska Series (Volume Viii) Insects Part I By William H. Ashmead, Nathan Banks, A. N. Caudell, O. F. Cook, Rolla P. Currie, Harrison G. Dyar, Justus Watson Folsom, O. Heidemann, Trevor Kincaid, Theo. Pergande And E. A. Schwarz

Descriptions Of New Cynipidous Galls And Gall-Wasps In The United States National Museum

Insects, Part 1

Insects, Part 1