Differentiation in Life History Pattern and Oviposition Behavior, and Thelytoky in Demotina and Hyperaxis Beetles (Coleoptera, Chrysomelidae) in Western Japan :

NDLデジタルコレクション 被引用文献4件
  • ISONO,Masahiro
    Department of Green Environment, Division of Environmental Sciences, Graduate School of Science and Technology, Kobe University

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The life history and oviposition behavior of five Demotina and a Hyperaxis species investigated in Gifu and Kobe, Japan, are reported. Two distinct types in life history and oviposition behavior are recognized within the congenial species. Demotina tuberosa (Dt.), D. decorata (Dd), D. fasciculata (Df) and D. bipunctata (Db) are spring breeders with hibernation stage at adult. Hyperaxis fasciata (Hf) shows the same life history pattern as the former species. Demotina modesta (Dm) is a summer breeder and probably hibernates as larvae or pupae. Dm lays eggs singly on leaf undersurfaces and covers them with excrements, whereas the other species lay eggs in soil as exposed masses. The absence of males in Dt, Df, Dd, Dm, Db and Hf from Kobe and Gifu collections suggests that thelytoky prevails in the two genera, at least in central and western Japan. The Demotina and Hyperaxis beetles feed on several species of the Theaceae and Fagaceae. Dd and Df abundantly occur on Camellia japonica and Eurya japonica (Theaceae), whereas Dm, Db and Hf are abundant on Quercus serrata and Castanopsis cuspidata (Fagaceae).

収録刊行物

  • 昆蟲

    昆蟲 56 (2), 402-409, 1988-06-25

    東京昆蟲學會

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