Lupin aphid giving birth by parthenogenesis
Bildnummer 11907490
| Aphid giving birth. Macrophotograph of a lupin aphid (Microsiphum albifrons) giving virgin birth to a genetically identical daughter on a lupin flower. Also called greenfly,aphids parasitize plants by biting into them and letting the sugary sap flow through their bodies. Their reproductive powers are phenomenal,making them a serious pest. This "stem mother" hatched from an over-wintering egg,and can give birth to genetically identical clones without sex. The offspring can do the same within days,so within weeks one aphid can popu- late a plant with thousands of its clones. The two horns on the aphid's rear protect the animal by spurting a waxy discharge into an attacker's face | |
| Lizenzart: | Lizenzpflichtig |
| Credit: | Science Photo Library / Burgess, Dr. Jeremy |
| Bildgröße: | 3534 px × 2470 px |
| Modell-Rechte: | nicht erforderlich |
| Eigentums-Rechte: | nicht erforderlich |
| Restrictions: | - |
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