The allocation process and between-tree survival probabilities inDendroctonus frontalis infestations D. N. PopeR. N. CoulsonC. W. Kelly OriginalPaper Pages: 197 - 210
Population structural changes in single species of flour beetles with ozone as an environmental factor Howard E. Erdman OriginalPaper Pages: 211 - 220
Competitive ability as a function of sensitivity to the environment I. Competition betweenTribolium castaneum andTribolium confusum in a deteriorating environment Batia Lavie OriginalPaper Pages: 221 - 227
The effect of crowding on adult populations ofDelia (=Hylemya) antiqua (Meigen) G. ZurliniA. S. Robinson OriginalPaper Pages: 228 - 241
Behavioral ecology of Japanese paper wasps,Polistes SPP. (Hymenoptera: Vespidae) I. Extranidal activities ofPolistes chinensis antennalis Eiiti Kasuya OriginalPaper Pages: 242 - 254
On “intercolonial” cannibalism in Japanese paper wasps,Polistes chinensis antennalis Pérez andP. Jadwigae dalla torre (hymenoptera: Vespidae) Eiiti KasuyaYoshinori HibinoYosiaki Itô OriginalPaper Pages: 255 - 262
On ecological inference from kurtosis and skewness of morphological characters David Wool OriginalPaper Pages: 263 - 272
Changes in spatial distribution pattern during the larval stage of the fall webworm,Hyphantria cunea drury (Lepidoptera: Arctiidae) Nobuhiko SuzukiYasuhisa KunimiKen’ichi Kobayashi OriginalPaper Pages: 273 - 283
The feeding ecology of the nestling great tit,Parus major minor, in the temperate ever-green broadleaved forest II. With reference to breeding ecology Kazuhiro Eguchi OriginalPaper Pages: 284 - 300
Predator-prey responses in an acarine system M. H. J. P. PernandoM. P. Hassell OriginalPaper Pages: 301 - 322
Functional response, numerical response, and stability in arthropod predator-prey ecosystems involving age structure D. J. WollkindA. HastingsJ. A. Logan OriginalPaper Pages: 323 - 338
Predation ofApochthonius minimus (Pseudoscorpionida: Chthoniidae) onFolsomia canadida (Collembola: Isotomidae) Dan L. JohnsonW. G. Wellington OriginalPaper Pages: 339 - 352
Predation ofApochthonius minimus (Pseudoscorpionida: Chthoniidae) onFolsomia Candida (Collembola: Isotomidae) II. Effects of predation on prey populations Dan L. JohnsonW. G. Wellington OriginalPaper Pages: 353 - 365
Controversial problems in advanced research on estimating population densities of small rodents R. Tanaka Errata Pages: 383 - 383