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Cola Nut Gall Wasp
Andricus lignicola
Cola-nut galls develop as a chemically induced distortion of leaf axillary or terminal buds on pedunculate oak (Quercus robur) or sessile oak (Quercus petraea) trees, caused by the agamic gall wasp Andricus lignicola (Hartig, 1840) which lays single eggs within leaf buds using their ovipositor. A previous name or synonym for the species A. lignicola is A. lignicolus and A. venheurni.
From the article Andricus lignicola on Wikipedia (CC BY-SA), quoted section by section
Range & habitat
It is well known in continental Europe, occurring from Great Britain to Asia Minor.
Wikipedia: “Distribution”
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Every page naming Andricus lignicola in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 127730.