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Nymphs of Asian woolly hackberry aphid, <I>Shivaphis celti,</I> and citricola scale, <I>Coccus pseudomagnoliarum,</I> on a Chinese hackberry leaf. — Nymphs of Asian woolly hackberry aphid, Shivaphis celti, and citricola scale, Coccus pseudomagnoliarum, on a Chinese hackberry leaf.
Credit: Jack Kelly Clark