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Mature Argentine ant, Linepithema humile, tending brown soft scale.

Argentine ant Linepithema humile (=Iridomyrmex humilis) (Formicidae) tending brown soft scale Coccus hesperidum(Coccidae) on green twig of orange, Citrus sp. 1x UC Wolfskill, Winters CA. Credit: David Rosen — Credit: David Rosen

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