Myrmecophila sapporensis

Japanese: アリヅカコオロギ（英語表記）Myrmecophila sapporensis

Orthoptera, Gryllidae. A tiny cricket with a body length of about 2.5 to 3 mm. It is wingless and lives in the nests of mountain ants, large ants, etc., and is a type of insect that lives symbiotically with ants. Its body is dark brown and covered with fine golden hairs. Its body is pea-shaped, and its head is almost hidden under the pronotum. Its hind legs are short, and its hind femora are wide from top to bottom. Its caudal horn is large compared to its body, and protrudes like a horn. The female's ovipositor is also large compared to its body, about 1.7 mm long. The larvae are pale in color. Both larvae and adults can be found all year round, and they move swiftly through ant nests, sneaking up to ants' bodies and licking the secretions from their skin. (→Orthoptera)

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

Japanese:

直翅目アリヅカコオロギ科。微小なコオロギで体長 2.5～3mmほど。無翅で，ヤマアリ，ケアリなどの巣中にすむ，アリとの共生昆虫の1種。体色は濃褐色で，全体を金色微毛がおおっている。体は豆粒状で，頭は前胸背下にほとんど隠れる。後肢は短く，後腿節は上下に幅広い。尾角は体に比べて大きく，角状に突き出ている。雌の産卵管も体に比べて大きく，長さ約 1.7mm。幼虫は淡色。幼虫，成虫とも一年中みられ，アリ巣中をすばしこく歩き，アリの体にそっと近づいて体表の分泌物をなめて生活する。 (→直翅類 )

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