Cola-nut Gall - Andricus lignicola f. agamic
The gall wasp causes scaly, marble-like agamic galls to form in the leaf axil buds and terminal buds of English Oak and Sessile Oak.They are smaller than Andricus kollari Marble galls, and are rougher/lumpier in appearance, grey-brown in colour and very hard, persisting for several years. They are usually found in small clusters.
[Note: Sexual galls are formed in the buds of Turkey Oak, but are difficut to separate from the sexual galls of A kollari and A corruptrix).
Andricis kollari and Andricus infectorius
Photograph the gall on oak, and note the host species
Native oak trees
Very common (British Plant Galls, Redfern & Shirley, 2023)
common
See British Plant Galls (Redfern & Shirley, 2023)
Kate Nightingale
Launde Big Wood NR
02 September 2017
on oak
David Nicholls
Ulverscroft
03 October 2016
Annie Smith
Warren Hills
11 May 2017
Craig Mabbett
Fosse Meadow''s Sharnford
18 March 2017
Annie Smith
Charnwood Lodge NR
14 September 2017
Saharima Roenisch
Beacon Hill Country Park
25 December 2017
Saharima Roenisch
Leicester Shady Lane Arboretum
19 September 2020
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Species profile
- Common names
- Cola-nut Causer
- Species group:
- Bees, Wasps, Ants
- Kingdom:
- Order:
- Family:
- Records on NatureSpot:
- 100
- First record:
- 13/10/2001 (Gould, David)
- Last record:
- 06/10/2025 (Smith, Peter)
Total records by month
% of records within its species group
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