witch-hazel cone gall
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English
[edit]![](http://upload.wikimedia.org/wikipedia/commons/thumb/d/df/Aphid_Galls.jpg/220px-Aphid_Galls.jpg)
Noun
[edit]witch-hazel cone gall (countable and uncountable, plural witch-hazel cone galls)
- Cone-shaped distortions of the leaves of witch-hazel trees, caused by aphids of species Hormaphis hamamelidis (witch-hazel cone gall aphid).
References
[edit]Witch-hazel cone gall aphid on Wikipedia.Wikipedia
Hormaphis on Wikispecies.Wikispecies