皇居の蝶類相モニタリング調査(2000-2005)

概要

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Forty-seven species of butterflies in 8 families were collected in the garden of the Imperial Palace, Tokyo from 2000 to 2005. They are 8 species of Papilionidae, 5 species of Pieridae, 12 species of Lycaenidae, 1 species of Libytheidae, 1 species of Danaidae, 10 species of Nymphalidae, 6 species of Satyridae and 4 species of Hesperiidae, and their seasonal and annual occurrence in the garden of the Imperial Palace are recorded. All the collection data are given in the list, in which some noteworty butterflies are commented. Many endangered butterflies in urban area of Tokyo are still survived in the garden of the Imperial Palace, that is, Atrophaneura alcinous alcinous and Papilio maackii, Papilionidae, Anthocharis scolymus, Pieridae, Narathura japonica japonica, Japonica lutea lutea, Japonica saepestriata, Antigius attilia attilia and Rapala arata, Lycaenidae, Sasakia charonda charonda, Nymphalidae, Lethe diana, Satyridae, and so on. A total of the records of our investigation from 1996-1999 (Hisai et al., 2000) and this survey, is 48 species. The butterfly fauna of the Imperial Palace is rich and very similar to such larger green tracts as the Institute for Nature Study (Hisai et al., 2001) and the Akasaka Imperial Gardens (Owada et al., 2005), central Tokyo.
2006-03-27