Lymexylidae; ship-timber beetle

Japanese: ツツシンクイムシ（英語表記）Lymexylidae; ship-timber beetle

A general term for insects of the Coleoptera family, family Hylecoetidae. Small to medium-sized beetles with cylindrical, slender bodies. The antennae are serrated and consist of 11 segments, arising from both sides of the forehead. The gilllets develop into feather-like structures in males. The legs are slender and not very long. The tarsus has five segments. The basal segments of the fore and middle legs are cone-shaped and protrude. They live in forests, and the larvae bore holes into wood. There are about 50 species in the world, and five species are known in Japan, including the black-spotted ground moth Hylecoetus cossis and the common ground moth Atractocerus niger .

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:

鞘翅目ツツシンクイムシ科の昆虫の総称。小～中型の甲虫で，体は円筒形状で細長い。触角は鋸歯状で 11節から成り，前頭の両側から生じる。小鰓枝は雄では羽毛状に発達する。肢は細く，あまり長くない。跗節は5節。前・中肢の基節は円錐形で突出する。森林にすみ，幼虫は材中に穿孔する。世界に約 50種，日本にはツマグロツツシンクイ Hylecoetus cossis，コバネツツシンクイ Atractocerus nigerなど5種が知られている。

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