Assessment of aphid colonies by hoverflies. III Pea aphids andEpisyrphus balteatus (de Geer) (Diptera: Syrphidae) Eiko Kan OriginalPaper Pages: 1 - 6
A new analysis method for the comparison of 2 temporal patterns, with indices of association Hiromichi Hosoma OriginalPaper Pages: 7 - 16
A theory of gene-culture coevolution of parental preference and sex ratio in humans Yasushi Harada OriginalPaper Pages: 17 - 25
Variations of foraging tactics in a water bug,Diplonychus indicus Ann Cloarec OriginalPaper Pages: 27 - 34
Shell fights in the hermit crabPagurus geminus: Effect of cheliped use and shell rapping Michio Imafuku OriginalPaper Pages: 35 - 39
The flexible grouping and behavioral character of a flock of Suffolk ewes (Ovis aries) Kaori Kawai OriginalPaper Pages: 41 - 51
Brief field observations on the foraging behavior of the Japanese striped snakeelaphe quadrivirgata Akira Mori Short Communications Pages: 53 - 56
Multiple-comb nest foundation by a single inseminated worker of the temperate paper wasp,Polistes snelleni Saussure (Hymenoptera: Vespidae) Masato Ono Short Communications Pages: 57 - 58
Male approach to pupae in the yellow butterfly,Eurema hecabe Yoshiomi KatoTatsuo Nakane Short Communications Pages: 59 - 61
Switching of behavioral option from renesting to nest usurpation after nest loss by the foundress of a paper wasp,Polistes riparius: A field test Shun'ichi Makino Short Communications Pages: 62 - 64