中津峯山におけるセミ群集の予察的研究

概要

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1. The ecology of cicada community was studied at Mt. Nakatsumine (773.3 m high) in Tokushima Pref., Japan, during 1949-1951. Eight species of cicadas were found there, the seasonal occurrences of which are shown in Fig. 1. 2. Distributions of almost all species of cicadas seem not to be restricted to any types of vegetations ; but Melampsalta radiator is the only one species inhabiting exclusively in the pine forest. 3. It is generally observed that when individuals belonging to one species are singing, those belonging to other species inhabiting on the same tree or shrub remain silent. Exceptionally, Platypleura kaempferi sings irrespective of singing activities of any other species. 4. According to my observations, 5 species of cicada, viz. Graptopsaltria nigrofuscata, Tanna japonensis, Cryptotympana japonensis, Oncotympana maculaticollis and Meimuna opalifera, are recognized as the equivalent species at this mountain in midsummer from the viewpoint of "habitat segregation" theory. Seasonal changes in the altitudinal distributions of these animals are shown in Fig. 2. 5. In conclusion, the distributions of cicada communities at this mountain seem to be controlled by the soil temperature on the one hand, which affect principally on the distributions of larvae, and by the interspecific coactions among equivalent species on the other, which influence the lives of adults.
日本昆虫学会の論文
1954-07-31