Thrips (Thysanoptera) - thrips (English spelling)

Japanese: アザミウマ(薊馬) - アザミウマ（英語表記）thrips

A general term for insects belonging to the order Thysanoptera (illustration). This name comes from the fact that children used to play with these insects that got into thistle flowers, saying "Horse, cow!" They are also called thrips in the Thysanoptera order. They are tiny insects with body lengths of 0.5 to 11 mm, with most being around 2 mm. Adults are usually yellow to brown to blackish brown, and often have white to red pigments inside their bodies. Their bodies are long and slender, flat, and occasionally cylindrical. Their mouths are cone-shaped at the tip, and are generally absorptive.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

アザミウマ目Thysanopteraに属する昆虫の総称（イラスト）。アザミの花などに入り込んだこの類を，子どもたちが〈ウマでろ，ウシでろ〉とたたいて遊んだことからこの名がある。総翅類，スリップスともいう。微小な昆虫で，体長は0.5～11mm，多くは2mm前後。成虫は通常，黄色～褐色～黒褐色で，体内に白色～赤色の色素をもつことが多い。体は細長く扁平で，まれに円筒形のものもある。口部は先端が円錐状で，おおむね吸収式。

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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