Oak pancake spangle gall, SEM

Oak pancake spangle gall, SEM

C003/6656

Rights Managed

Caption

Oak pancake spangle gall. Coloured scanning electron micrograph (SEM) of a gall on a leaf from an oak tree (Quercus robur). Galls are abnormal growths on plants, usually caused by parasitic organisms such as fungi or insects. In this case, the gall is caused by the wasp Neuroterus quercusbaccarum, which lays its eggs in the oak leaves. The gall seen here is where the wasp larva develops over the winter, feeding on the plant, and emerging in the spring. Magnification: x37 when printed at 10 centimetres across.

Release details

Model release not available. Property release not required.

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