Aroid Forum: Aphis on Pistia

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Aphis on Pistia

From: Theodore Held <oppenhauser2001 at gmail.com> on 2009.07.16 at 18:05:14(19547)
Dear List,
To my surprise I found that an aquarium of mine with a layer of
floating Pistia contained numerous tiny aphids, evidently parasitising
what I assumed previously to be a pest-resistant aroid. The aphids in
question are slightly yellowish-brown in color. Other Pistia I have
are not infested. Does anyone have any knowledge of this curiosity?
I can send a vial of preserved specimens in case we have a legit
parasitologist reading this.
Ted Held
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