白山のツツガムシ相, とくに分布および分類の問題点

概要

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From 1983 to 1987,vertical distribution of trombiculid mites fed on small rodents was surveyed at six sites of different heights on Mt. Hakusan (2,702m above sea level) in Ishikawa Prefecture, which is preserved as a national park. A total of 1,605 mites belonging to four genera and 13 species were found from 21 rodent hosts belonging to four genera and five species. Host animals and mite species were more abundant in the forested habitat below 1,200m than in the higher zones. Mt. Hakusan was regarded as the westernmost distribution of Neotrombicula microti in Japan, which was found at the 2,200m level. The population of N. nagayoi was composed of both the original and variant types. Furthermore, based on present information of the morphological characteristics and geographical distribution throughout central-northern Japan, the so-called Leptotrombidium miyazakii group including three variants may be reasonably represented by the two species, L. owuense and L. miyazakii, as each one was originally described.
日本衛生動物学会の論文
1988-06-15