京都におけるキノコ食昆虫群集の構造

概要

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最終稿を登録可能.NII-ELSコンテンツからの登録については検討中.Periodic samplings of macrosporocarp-gathering insects were made at the Botanical Garden of Kyoto University(35°N, 135°E), Kyoto, Central Japan, from April to December 1991.A total of 2912 insects were collected on mushrooms throughout the active seasons, and a major proportion(36.2%)belonged to the family Drosophilidae.As drosophilids showed the widest range of mushroom utilization among mycophagous insects, mycophagous drosophilids were analyzed with regard to their mushroom resource preferences.The ecological and morphological characteristics of mushrooms were also studied in relation to resource utilization by drosophilids.Cluster analysis of fungus species, based on the similarity matrix among 19 drosophilid assemblies captured from various kinds of mushrooms, demonstrated two remarkable drosophilid-fungus groups.One group comprised mycophagous specialists of the genus Mycodrosophila and the so-called bracket fungi, the fungus family Polyporaceae sensu lato with harder context and greater longevity, whereas the other group comprised generalists of even non-mycophagous species of the genus Drosophila and fungus species of the fungus order Agaricales with softer context and more ephemeral lifespan.
日本生態学会の論文
2001-08-30