Alexander's horn aphid - Alexander's horn aphid

Japanese: アレキサンダーツノアブラムシ - あれきさんだーつのあぶらむし
Alexander's horn aphid - Alexander's horn aphid

…This is because the larvae have the tendency to attack external enemies. There are several other species known to have this tendency, and the attacking methods include stabbing with a stylet, as in this species, and clinging to the enemy with powerful forelimbs and stabbing with the huge horns on the head, as in the case of the Japanese burrowing aphid and the Alexander's horn aphid of Taiwan. Larvae that exhibit aggressive behavior are often morphologically specialized, and such aggressive larvae do not grow and instead play the role of soldiers. …

*Some of the terminology that refers to the "Alexander horned aphid" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…これはこの幼虫が外敵を攻撃する性質をもつからである。このような性質はこのほか若干の種類で知られ,攻撃の方法はこの種のように口針で刺すものと,ササコフキアブラムシや台湾のアレキサンダーツノアブラムシのように,強大な前肢で敵にしがみつき,同時に頭部の巨大な角で刺すものとがある。攻撃行動をとる幼虫は形態的に特殊化していることが多く,そのような攻撃型の幼虫は成長せず,もっぱら兵隊の役割を分担する。…

※「アレキサンダーツノアブラムシ」について言及している用語解説の一部を掲載しています。

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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