Researches on Population Ecology
Vol. 33, No. 1, 1991

Contents

Sonleitner, F. J. and Guthrie, P. J.
Factors affecting oviposition rate in the flour beetle Tribolium castaneum and the origin of the population regulation mechanism
1-11


Kidd, N. A. C. and Jervis, M. A.
Host-feeding and oviposition strategies of parasitoids in relation to host stage
13-28


Kuno, E.
Verifying zero-infestation in pest control: A simple sequential test based on the succession of zero-samples
29-32


Kuno, E.
Some strange properties of the logistic equation defined with r and K: Inherent defects or artifacts?
33-39


Matsuda, H., Wada, T., Takeuchi, Y. and Matsumiya, Y.
Alternative models for species replacement of pelagic fishes
41-56


Adachi, I. and Korenaga, R.
Fertility schedules of Unaspis yanonensis (Hemiptera: Diaspididae) in relation to daily temperature
57-68


Itioka, T. and Inoue, T.
Settling-site selection and survival of two scale insects, Ceroplastes rubens and C. ceriferus, on citrus trees
69-85


Kidd, N. A. C. and Jervis, M. A.
Host-feeding and oviposition by parasitoids in relation to host stage: Consequences for parasitoid-host population dynamics
87-99


Mailloux, G., Binns, M. R. and Bostanian, N. J.
Density yield relationships and economic injury level model for the Colorado potato beetle larvae on potatoes
101-113


Nagasaka, K.
Crucial factors determining the spatio-temporal distribution patterns of three Athalia sawflies feeding on common cruciferous plants
115-128


Toquenaga, Y. and Fujii, K.
Contest and scramble competitons in two bruchid species, Callosobruchus analis and C. phaseoli (Coleoptera: Bruchidae) II. Larval competiton experiment
129-139