1. Nest recognition in neighboring colonies: a comparison of two European species of Polistes wasps (P. dominulus and P. nimphus, Hymenoptera: Vespidae)

   • M. C. Lorenzi
   • P. Caprio

   ARTICLE Pages: 65 - 68

2. Nestmate discrimination and cuticular profiles of a temporary parasitic ant Lasius sp. and its host L. fuliginosus (Hymenoptera, Formicidae)

   • Z. Liu
   • Sô. Yamane
   • Q. Wang

   ARTICLE Pages: 69 - 74

3. Amino acid composition of the protein in preemergence nests of Polistes (Polistes) riparius, and its similarity to the consubgeneric wasp, P. (P.) chinensis (Hymenoptera: Vespidae)

   • K. Kudô
   • S. Hozumi
   • S. Yamane

   ARTICLE Pages: 75 - 77

4. Correspondence of male-to-male aggression to spatial distribution of individuals in field populations of a subsocial spider mite

   • Y. Saito
   • K. Mori
   • Y. Sato

   ARTICLE Pages: 79 - 83

5. Effects of luminance, size, and angular velocity on the recognition of nonlocomotive prey models by the praying mantis

   • Y. Yamawaki

   ARTICLE Pages: 85 - 90

6. Eupyrene sperm migrates to spermatheca after apyrene sperm in the swallowtail butterfly, Papilio xuthus L. (Lepidoptera: Papilionidae)

   • M. Watanabe
   • M. Bon'no
   • A. Hachisuka

   ARTICLE Pages: 91 - 99

7. Microsatellite markers and multiple paternity in a paternal care fish, Hexagrammos otakii

   • H. Munehara
   • O. Takenaka

   ARTICLE Pages: 101 - 104

8. Semilunar spawning cycle of the humbug damselfish Dascyllus aruanus

   • N. Mizushima
   • Y. Nakashima
   • T. Kuwamura

   ARTICLE Pages: 105 - 108

9. Predation risk and the opportunity for female mate choice in a coral reef fish

   • K. Karino
   • T. Kuwamura
   • Y. Sakai

   ARTICLE Pages: 109 - 114

10. Theory of resource allocation strategy in territorial male tropical reef fishes

    • A. Yamauchi

    ARTICLE Pages: 115 - 121

11. Intrusion into neighboring home range by male Madagascar paradise flycatchers, Terpsiphone mutata: a circumstantial evidence for extra-pair copulation

    • T. Mizuta

    ARTICLE Pages: 123 - 126

12. Adaptive significance of winter pair bond in male pintail, Anas acuta

    • M. Nakamura
    • T. Atsumi

    ARTICLE Pages: 127 - 131

13. Acoustic variation of pant hoot calls by male chimpanzees: a playback experiment

    • S. Kajikawa
    • T. Hasegawa

    ARTICLE Pages: 133 - 139

14. Seed-carrying behavior of a stink bug, Adrisa magna Ueler (Hemiptera: Cydnidae)

    • M. Takeuchi
    • M. Tamura

    SHORT COMMUNICATION Pages: 141 - 143