The final stadium larva of Anisagrion allopterum is described for the first time for Middle America, based upon specimens reared and emerging in the field, from Cartago, Province, Costa Rica. Detailed illustrations are also provided. The larva of this species is characterized by a slender yellow body, premental setae 4+1, five palpal setae, male cerci globose, and caudal lamellae densely tracheate.

中文翻译：

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Anisagrion allopterum (Odonata: Coenagrionidae) 最终体育场幼虫的描述

Anisagrion allopterum 的最终体育场幼虫首次在中美洲被描述，基于来自哥斯达黎加省卡塔戈的野外饲养和出现的标本。还提供了详细的插图。本种幼虫体呈黄色，颏前刚毛4+1，触须刚毛5个，雄性尾尾鳞片呈球状，尾鳞片密布气管。