わが国の有毒蜘蛛, カバキコマチグモ Chiracanthium japonicum の病害と生態に関する研究 : 4. 刺咬症のアンケート調査

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An epidemiological survey by questionnaire was made on arachnidism caused by the spider, Chiracanthium japonicum, in Japan. Among 42 arachnologists and 79 medical doctors, who are interested in arachnidism, 90 researchers submitted clinical records of bite cases in response to the questionnaire. A total of 28 patients of arachnidism was reported from different prefectures including Hokkaido, Aomori, Fukushima, Iwate, Miyagi, Gumma, Kanagawa, Yamanashi, Aichi, Wakayama, Mie, Nagasaki and Saga. Analysis of these 28 cases was made in which the sex of causative spiders, seasonal frequency, age and sex distribution of patients, location bitten, site of bites, severity and duration of time suffered were examined. From this epidemiological analysis, arachnidism caused by Chiracanthium japonicum was summarized as follows : A) The arachnidism occurred very commonly in Japan during a period of four months from May to August, with a peak in June. B) During the mating season the male spiders searching for mates accidentally infest human hibitats and inflict their bites most commonly during the midnight hour while the humans are sleeping. C) The site of bites was most frequently observed in the upper extremities. D) A drastic difference is observed in arachnidism caused by male versus female spiders. Male spiders produce sharp pain at the bite while the female causes intensive itching. However, both sexes produce redness over the skin lesion.
日本衛生動物学会の論文
1978-12-15

わが国の有毒蜘蛛, カバキコマチグモ Chiracanthium japonicum の病害と生態に関する研究 : 4. 刺咬症のアンケート調査

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