DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY DENNIS KUNKEL MICROSCOPY / SCIENCE PHOTO LIBRARY
Coloured scanning electron micrograph (SEM) of European red spider mite (Panonychus ulmi). The adult mites are red with white spots at the base of six to eight hairs on their back. European red mites can have six to eight generations per year. All active stages of the European red mite injure the foliage by feeding with piercing mouthparts and removing the cell contents. It is an introduced pest in the US and is a primary pest of nut, pome and stone fruits, as well as some berries, damaging leaves and causing fruit russeting. Magnification: x80 when shortest axis printed at 25 millimetres.
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