Pea galls on leaves of Rosa canina
Bildnummer 13297790
| Pea galls on leaves of the dog rose, Rosa canina. The picture shows two galls on the upper surface of the leaves (red). The galls are caused by the gall wasp Diplolepis eglanteriae, which lays its eggs inside the leaf. The plant responds by producing a hollow chamber around the developing larva. Each gall is unilocular - it contains one larva only. The larva overwinters within the chamber, pupates and emerges in the following Spring. Such galls appear to be sequestered safe spaces, but they are often found to contain inquilines ('lodgers') that include gall wasps and chalcid wasps. Ungrateful larvae of one chalcid wasp, Oligosthenus, may attack the larvae of the original architect of the gall. Galls of this type are often seen on roses growing in the wild, but are rare on garden roses or nursery stock | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Burgess, Dr. Jeremy |
| Bildgröße: | 3468 px × 5212 px |
| Modell-Rechte: | nicht erforderlich |
| Restrictions: | - |
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