A review of the North American species of PodabrusPublished in Entomologica Americana, in 1928, in volume 8, pages 65-103Biological studies of two Hymenopterous parasites of aquatic insect eggsPublished in Entomologica Americana, in 1928, in volume 8, issue 1927, pages 105-156
Biological studies of two Hymenopterous parasites of aquatic insect eggsPublished in Entomologica Americana, in 1928, in volume 8, issue 1927, pages 105-156