抄録
During field surveys on the Izu Islands, Tokyo, Japan from 2011 to 2014, a fruit gall induced by Asphondylia sp. (Diptera:
Cecidomyiidae) on Gardneria nutans (Loganiaceae) was discovered and a stem gall induced by Eucosma metzneriana (Lepidoptera: Tortricidae) on Altemisia indica var. maximowiczii was newly recorded from the Izu Islands. In addition, several cecidomyiid and other arthropod galls were newly recorded from Niijima, Shikinejima, Miyakejima, Hachijojima, and Aogashima Islands.