Pinhole borer (long wood beetle)

Japanese: ナガキクイムシ(長木喰虫) - ナガキクイムシ（英語表記）pinhole borer

A general term for insects in the family Platypodidae of the order Coleoptera. Approximately 1,000 species have been recorded from around the world, most of which are distributed in tropical and subtropical regions, with only 18 species known from Japan. The body is cylindrical, elongated, and mostly brown. The head is wide and not covered by the thorax. The tips of the antennae are rod-shaped, and the first segment of the tarsus is significantly longer. Body length is 2 to 8 mm. Closely related to the family Scolytidae, both adults and larvae live in wood. Males and females form pairs (monogamous) and build nests in wood, breeding ambrosia fungus in the tunnels as food for the larvae.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

甲虫目ナガキクイムシ科Platypodidaeの昆虫の総称。世界から約1000種が記録されているが，そのほとんどは熱帯，亜熱帯に分布し，日本からは18種が知られているにすぎない。体は円筒形で細長く，褐色のものが多い。頭部は胸部に覆われず幅が広い。触角の先端は球桿（きゆうかん）状で，跗節（ふせつ）の第1節が著しく長い。体長2～8mm。キクイムシ科に近縁で，成虫，幼虫ともに木材の中で生活する。雌雄が対になって(一夫一妻性)木材中に営巣し，孔道の中にアンブロシア菌を繁殖させて幼虫の食物とする。

出典　株式会社平凡社世界大百科事典第２版について　情報

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