Seasonal and individual variation in gregarine parasite levels in the field crickets Gryllus veletis and G. pennsylvanicus. Ecological Entomology. 12:341-348.. 1987.
Sexual selection, mate choice and gregarine parasite levels in the field crickets Gryllus veletis and G. pennsylvanicus. Doctor of Philosophy:149pp... 1986.
Parasite load, body size, and age of wild-caught male field crickets (Orthoptera: Gryllidae): effects on sexual selection. Evolution. 42(5):969-976.. 1988.
Age determination of adult field crickets: methodology and field applications. Canadian Journal of Zoology. 65:1564-1566.. 1987.
Variability in attractiveness of male field crickets (Orthoptera: Gryllidae) to females. Animal Behaviour. 35:1240-1248.. 1987.
The effects of gregarine parasites, body size, and time of day on spermatophore production and sexual selection in field crickets. Behavioral Ecology and Sociobiology. 21:65-72.. 1987.