Leaf-deformity
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Prociphilus fraxinifolii
leafcurl ash aphid
Prociphilus fraxinifolii, commonly known as the leafcurl ash aphid, is a species of woolly aphid in the family Aphididae. It is a specialist feeder on ash (Fraxinus) species, causing characteristic leaf curl damage to host plants. Like other members of the genus Prociphilus, it produces dense white waxy secretions that give colonies a distinctive woolly appearance. The species has been documented in parts of Europe including Serbia, Bulgaria, Hungary, and Poland, with observations also recorded in North America.