Studies on the population dynamics of a thistle-feeding lady beetle,Henosepilachna pustulosa (Kôno) in a cool temperate climax forest III. The spatial dynamics and the analysis of dispersal behaviour Koji NakamuraTakayuki Ohgushi OriginalPaper Pages: 1 - 19
Consequences of competition on the reproduction and mortality of three species of terrestrial slugs C. David Rollo OriginalPaper Pages: 20 - 43
Consequences of competition on the time budgets, growth and distributions of three species of terrestrial slugs C. David Rollo OriginalPaper Pages: 44 - 68
Effect of temperature and parasite density on three species ofAphytis (Hymenoptera: Aphelinidae), parasitising California red scale Rami KfirHaggai Podoler OriginalPaper Pages: 69 - 80
Foraging strategy of a non-omniscient predator in a changing environment (I) model with a data window and absolute criterion Tamiji Inoue OriginalPaper Pages: 81 - 104
Pheromone trapping models for insect pest control H. BarclayP. van den Driessche OriginalPaper Pages: 105 - 115
The process of population increase and patterns of resource utilization of two spider mites,Oligonychus ununguis (Jacobi) andPanonychus citri (McGregor), under experimental conditions (Acari: Tetranychidae) Kyoko WanibuchiYutaka Saitô OriginalPaper Pages: 116 - 129
Economy of food utilization in a gregarious sawfly,Arge nigrinodosa Motschulsky (Hymenoptera: Argidae): Relative abundance of food in the natural habitat and behavioral pattern of larval feeding Ishizue Adachi OriginalPaper Pages: 130 - 142
Social behavior of early emerging males of a Japanese paper wasp,Polistes chinensis antennalis (Hymenoptera: Vespidae) Eiiti Kasuya OriginalPaper Pages: 143 - 149
Description and testing of a comprehensive simulation model of the ecology of terrestrial gastropods in unstable environments C. D. RolloI. B. VertinskyY. Kwan OriginalPaper Pages: 150 - 179
Mating aggregation of a stink bug,Megacopta punctissimum (Montandon) (Heteroptera: Plataspidae) Yoshinori HibinoYosiaki Itô OriginalPaper Pages: 180 - 188
Nymphal cannibalism in relation to oviposition behavior of adults in the assassin bug,Agriosphodrus dohrni signoret Hiroshi Inoue OriginalPaper Pages: 189 - 197
Number of offspring and seasonal changes of their body weight in a paperwasp,Polistes chinensis antennalis Pérez (Hymenoptera: Vespidae), with reference to male production by workers Shinya Miyano OriginalPaper Pages: 198 - 209
Density-related mortality of the flour beetle,Tribolium confusum duval P. J. DalyM. F. Ryan OriginalPaper Pages: 210 - 219
A model simulating the population dynamics of the grasshoppers (Acrididae)Melanoplus sanguinipes (Fabr.),M. packardii Scudder, andCamnula pellucida (Scudder) Hardman J. M.M. K. Mukerji Erratum Pages: 220 - 220