馬祖新紀錄種蚯蚓西土寒（虫憲）蚓

A New Record of the Earthworm ＂Ocnerodrilus occidentalis＂ Eisen, 1878 from Matsu

本文描述一採自馬祖南竿、北竿及東引之新紀錄外來種蚯蚓西土寒（虫憲）蚓“Ocnerodrilusoccidentalis”Eisen, 1878。其為小型蚯蚓，屬於寒（虫憲）蚓科（Ocnerodrilidae），可能原產於中美洲或南美洲。此種蚯蚓目前廣泛分布於全球。

This paper describes the exotic ocnerodrilid earthworm Ocnerodrilus occidentalis Eisen, 1878 as a new record from Matsu. Now distributed globally, the species is a small earthworm whose native home is likely in Central or South America.