蟋蟀

蟋蟀 (xīshuài) 蟋蟀科的跳躍昆蟲(chóng)的通稱(chēng),以雄性摩擦前翅的特化部分發(fā)出唧唧聲而著稱(chēng)。觸角較身軀為長(zhǎng) cricket

蜻蜓

蜻蜓 (qīngtíng) 構(gòu)成蜻蜓目的任何種大形的昆蟲(chóng),有很多復(fù)眼的大形頭部,觸角短小,腹部細(xì)長(zhǎng),四只窄長(zhǎng)有網(wǎng)狀脈的翅,顎粗壯,足適于握住獵物,對(duì)人完全無(wú)害而屬于最有用的昆蟲(chóng),成蟲(chóng)取食飛翔捉到的昆蟲(chóng)并消滅大量蠅蚋與蚊蟲(chóng),而水生若蟲(chóng)捕食消滅蚊蟲(chóng)幼蟲(chóng) dragonfly 蜻蜓目的昆蟲(chóng) odonate

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