S. A. Rohwer

1887 – 1951

• Cutting costs of insect control
• Descriptions of new Philippine wasps of the subfamily Pseninae
• Descriptions of twenty-five new species of North American Hymenoptera
• North American sawflies of the subfamily Cladiinae
• Plant-quarantine import restrictions of the Netherlands
• Sawflies from Panama
• Sawflies from Panama, with descriptions of new genera and species
• Sawflies from the maritime province of Siberia
• Summary of state nursery-stock shipping requirements and plant quarantines and regulations affecting interstate shipment
• Technical papers on miscellaneous forest insects
• The North American ichneumon-flies of the tribes Labenini, Rhyssini, Xoridini, Odontomerinia, and Phytodietini