Insect feeding on spores of a bracket fungus, Elfvingia applanata (Pers.) Karst. (Ganodermataceae, Aphyllophorales)

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概要

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• Insects visiting sporocarps of Elfvingia applanata, a wood-rotting bracket fungus, were examined in Kyoto, central Japan. Mycodrosophila flies (Drosophilidae: Diptera) were predominant and visited the spore-producing sporocarps exclusively. They were observed feeding on the spores, and a number of spores seemed to be alive even after having passed through insects' digestive tracts. In addition, the insects attached a number of spores on their body surfaces. In a rearing experiment with insects caught from E. applanata sporocarps, Mycodrosophila flies excreted 7700-469000 and dropped 10 000-329 000 of viable spores during 48 h after collection. They were supposed to migrate among the sporocarps of other bracket fungi growing on different logs or stumps, suggesting that Mycodrosophila flies may act as spore-dispersal agents for E. applanata.

• 日本生態学会 / Springer Japanの論文

著者

• Tuno Nobuko

  Department Of Vector Ecology And Environment Institute Of Tropical Medicine Nagasaki University

• Tuno Nobuko

  Department Of Medical Entomology Institute Of Tropical Medicine Nagasaki University

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