Taphrina crataegi

Description

This is a fungus which causes pale green, yellowish or reddish galls on Hawthorn.  The galls are blisters, folds or bulges in the leaf, and often several leaves together are affected.  The galls are often flushed pink.

Similar Species

Several species of Dysaphis aphids cause similar bulges, puckers or folds on hawthorn leaves in late spring/early summer

Identification difficulty
ID checklist (your specimen should have all of these features)

Check the underside - if waxy grey aphids are present it is probably a Dysaphis

Recording advice

Photograph underside and upperside

Habitat

Hawthorn leaves.

When to see it

Spring and summer.

VC55 Status

Status in Leicestershire and Rutland not known.

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map

Species profile

Species group:
Fungi
Kingdom:
Fungi
Order:
Taphrinales
Family:
Taphrinaceae
Records on NatureSpot:
12
First record:
27/06/2012 (Nicholls, David)
Last record:
01/05/2024 (Calow, Graham)

Total records by month

% of records within its species group

10km squares with records

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