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PSYCHE 
A JOURNAL OF ENTOMOLOGY 
founded in 1874 by the Cambridge Entomological Club 
Vol. 83 September-December, 1976 No. 3-4 
CONTENTS 
Structure and Relationships of the Upper Carboniferous Insect, Eucaenus 
ovalis (Protorthoptera: Eucaenidae). Frank M. Carpenter and Eugene 
S. Richardson, Jr 223 
Predation as a Selection Factor in the Mating Strategy of the Jumping Spider, 
Phidippus johnsoni (Salticidae, Araneae). R. R. Jackson 243 
Defensive Adaptations of Some Neotropical Long-Horned Beetles (Coleop- 
tera: Cerambycidae): Antennal Spines, Tergiversation, and Double Mimi- 
cry. Robert E. Silberglied and Annette Aiello 256 
Studies on Neotropical Pompilidae(Hymenoptera). X. Supplementary Notes. 
Howard E. Evans 263 
Prosthoporus, a New Bolivian Genus of the Subtribe Lymeonina (Hymenop- 
tera, Ichneumonidae). Charles C. Porter 271 
The First Workerless Parasite in the Ant Genus Formica (Hymenoptera: 
Formicidae). Edward O. Wilson 277 
The Natural History of the Workerless Ant Parasite, Formica talbotae. 
Mary Talbot 282 
The Functional Anatomy of the Mesothoracic Leg of the Waterstrider, Oerris 
remigis Say (Heteroptera). Elizabeth Bowdan 289 
New Records for Thyreodon from South Texas (Hymenoptera, Ichneumon- 
idae). Charles C. Porter 304 
Life History and Ecology of Diploperla robusta Stark and Gaufin (Plecop- 
tera: Perlodidae). Diana L. Ashley, Donald C. Tartar, and William D. 
Watkins 310 
Swimming Ability of Notonectidae (Hemiptera). Steven H. Gittelman 319 
Observations on the Nesting Behavior and Prey of Gorytine Wasps in Trin- 
idad (Hymenoptera, Sphecidae). £. McC. Callan 324 
The Lower Permian Insects of Kansas. Part 12. Protorthoptera (continued), 
Neuroptera, Additional Palaeodictyoptera, and Families of Uncertain Posi- 
tion. Frank M. Carpenter 336 
Author and Subject Index to Volume 83 379 
