Researches on Population Ecology
Vol. 22, No. 2, 1980

Contents

Pope, D. N., R. N. Coulson, W. S. Fargo, J. A. Gagne and C. W. Kelly
The allocation process and between-tree survival probabilities in Dendroctonus frontalis infestations
197-210


Erdman, H. E.
Population structural changes in single species of flour beetles with ozone as an environmental factor
211-220


Lavie, B.
Competitive ability as a function of sensitivity to the environment I. Competition between Tribolium castaneum and Tribolium confusum in a deteriorating environment
221-227


Zurlini,G. and A. S. Robinson
The effect of crowding on adult populations of Delia (=Hylemya) antiqua (MEIGEN)
228-241


Kasuya, E.
Behavioral ecology of Japanese paper wasps, Polistes spp. (Hymenoptera: Vespidae) I. Extranidal activities of Polistes chinensis antennalis
242-254


Kasuya, E., Y. Hibino and Y. Ito
On "intercolonial" cannibalism in Japanese paper wasps, Polistes chinensis antennalis PEREZ and P. Jadwigae DALLA TORRE (Hymenoptera: Vespidae)
255-262


Wool, D.
On ecological inference from kurtosis and skewness of morphological characters
263-272


Suzuki, N., Y. Kunimi, S. Uematsu and K. Kobayashi
Changes in spatial distribution pattern during the larval stage of the fall webworm, Hyphantria cunea DRURY (Lepidoptera: Arctiidae)
273-283


Eguchi, K.
The feeding ecology of the nestling great tit, Parus major minor, in the temperate ever-green broadleaved forest II. With reference to breeding ecology
284-300


Fernando, M. H. J. P. and M. P. Hassell
Predator-prey responses in an acarine system
301-322


Wollkind, D. J., A. Hastings and J. A. Logan
Functional response, Numerical response, and stability in Arthropod predator-prey ecosystems involving age structure
323-338


Johnson, D. L. and W. G. Wellington
Predation of Apochthonius minimus (Pseudoscorpionida: Chthoniidae) on Folsomia candida (Collembola: isotomidae) I. Predation rate and size-selection
339-352


Johnson, D. L. and W. G. Wellington
Predation of Apochthonius minimus (Pseudoscorpionida: Chthoniidae) on Folsomia candida (Collembola: Isotomidae) II. Effects of predation on prey populations
353-365


Suzuki, Y. and Y. Iwasa
A sex ratio theory of gregarious parasitoids
366-382