Pentalonia nigronervosa, the banana aphid, is an aphid in the superfamily Aphidoidea in the order Hemiptera.

It is a true bug and sucks sap mainly from Musa species.

Also known to infest Alpinia purpurata, Xanthosoma sp., cardamom, Heliconia sp., tomatoes, taro, Calla, Costus, and Zingiber sp.

This article related to members of the insect family Aphididae is a stub.

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