Volume 14, Number 2 - Summer 1981 (1981)
Peer-Review Articles
Seasonal and Vertical Distributions of Planthoppers (Homoptera: Fulgoroidea) Within a Black Walnut Plantation
B. C. Weber and S. W. Wilson
A North American Record for Valgus Hemipterus (Coleoptera: Scarabaeidae) and Information on its Life Cycle
Joseph M. Mahar and Mark P. Oemke
A List of the Butterflies (Lepidoptera: Papilionoidea) of the La Rue-Pine Hills Ecological Area
R. W. Sites and J. E. McPherson
Moths of the Douglas Lake Region (Emmet and Cheboygan Counties), Michigan: II. Noctuidae (Lepidoptera)
Edward G. Voss
Observations of the Biology of Phasgonophora Sulcata (Hymenoptera: Chalcididae), a Larval Parasitoid of the Twolined Chestnut Borer, Agrilus Bilineatus (Coleoptera: Buprestidae), in Wisconsin
R. A. Haack, D. M. Benjamin, and B. A. Schuh
Descriptions of Three New Species of Nearctic Ctenopelmatinae (Hymenoptera: Ichneumonidae)
John C. Luhman
An Investigation on the Larval Habitat of Five Species of Tree-Hole Breeding Mosquitoes (Diptera: Culicidae)
Lee Mitchell and C. Lee Rockett