小笠原諸島を除く本州以南に広く分布するようで、枯れ木や枯れ枝に生息する。頭部は背面に隆起し、左右の小顎刺針は中央で接し極めて長い。本属はBactrothripsに近く、オスの第6腹節背板には1対の角状突起を備える。食菌性。

This species seems to be widely distributed south of Honshu except for the Ogasawara Islands, and inhabits dead trees and dead branches. The head is raised on the dorsum, and both maxillary stylets are extremely long, touching in the middle. This genus is close to Bactrothrips, and the tergite VI of the male has a pair of horn-like tubercles. Fungus-feeder.

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  Female macroptera

  

  Female macroptera

  

  Male macroptera

  

  Colony

  

  Colony