東海地方における不快動物としてのアブラコウモリ, およびそれに由来する有害節足動物

概要

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The Japanese pipistrelle, Pipistrellus abramus (Temminck, 1840), usually roosts in human houses in Japan and has been commonly known as the house bat. Due probably to an increase of the local populations of this bat around the Tokai district for the last few years, some of the inhabitants became nervous to the bats that roosted in the ceiling, shutter-box, garret, crevice of the wainscot, or under the floor of their houses. Some of these people complained of squeaking noises of the bats at night, of the filth and carcasses occasionally found in the neighborhood of the houses. Certain circles, moreover, became apprehensive of the occurrence of arthropod-bites or communicable diseases that might be transmitted by these bats. Therefore, we investigated the inhabitants who had made appeals as described above, but we did not confirm any serious symptoms. At present we regard this bat as one of the so-called "nuisances." However, our examination of arthropods on these bats and in the dust or dirt collected at their roosting sites revealed at least 20 acarine and four insect species (Table 1). Of these, a species of soft ticks, Argas vespertilionis (Latreille), has been well known to bite man; and a mesostigmatid, Steatonyssus longispinosus Wang, can be responsible for dermatitis cases of undetermined origin.
1978-09-15