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Nipaecoccus viridis KOH color test, adult female

Published at 1888 × 923 in Green Light: New ID Test Ready for Invasive Mealybug Pest

Figure on a white background: At left, a clear vial with a dropper in the top, labled below as "10% KOH." In the middle, a small circular dish with green liquid and a small black dot inside. At right, a closeup of the texture of the dot, mottled green and white, with an inset box next to it filled in dark green to indicate the color in the dark areas of the closeup.

In a color test of adult female Nipaecoccus viridis in 10 percent potassium hydroxide (KOH), its hemolymph turns green. (Image originally published in Ahmed and Deeter, 2022, Journal of Applied Entomology)

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