東シナ海々上で捕獲された飛行グモ

概要

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A total of 105 spiders were collected during the periods of July 13-16,1979 and June 26 to July 6,1980,in the central part of the East China Sea. A weather boat, Keifumaru, was located at 126°E and 31°N, about 400km offshore from the mainland. Three air borne tow nets 1m in diameter were set on the main mast, at a height of about 18m above the sea level, and emptied every three hours. All the spiders collected were alive and at the 2nd or 3rd instar stage. The majority of the spiders collected (101 out of 105) were identified as belonging to the Tetragnatha genus, the rest belong to Theridiidae, Erigonidae and Linphiidae families and addition to one injured individual. Ability of long distance dispersal of spiderlings of Tetragnatha was strongly suggested.
日本応用動物昆虫学会の論文
1981-11-25