本州、四国、九州及び南西諸島（奄美大島、沖縄島）に分布し、韓国や中国からも知られる。頭部は複眼の前方に突出し、突出部は長さより幅が広い。また、複眼は腹面で後方に伸びる。ススキやヨシなどイネ科植物に生息する。食菌性。

This species is distributed in Honshu, Shikoku, Kyushu and the Ryukyu Islands (Amami Is., Okinawa Is.), and is also known from Korea and China. The head protrudes anteriorly in front of the compound eyes, and the protrusion is wider than the length. Also, compound eyes extend posteriorly on the ventral surface. It inhabits grasses such as Miscanthus sinensis and Phragmites australis. Fungus-feeder.

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  Female macroptera

  

  Female macroptera

  

  Female microptera

  

  Female microptera

  

  Male macroptera

  

  Male microptera

  

  Male microptera, head and thorax

  

  Male macroptera and microptera