Merothrips williamsi Priersner (Fig. 4)

Specimens examined. Japan, Ogasawara Islands, Haha-jima Is.: Mt. Sakaigatake, 4 females on dead branches, 4.iii.1988, S. Okajima . Japan, Honshu, Tokyo, Kodaira-shi, 1 female on dead wood, 18.xii.1983, Satake .

Notes. This species has also been known from North and South America. Members of this genus are usually apterous, but females of this species are macropterous.