Aculus magnirostris

Description

The gall mite Aculus magnirostris galls the leaves of Crack-willow and White Willow.  This galling may cause a fairly long section of the leaf edge to roll, but the leaf does not twist.  Its is an open, not closed, gall

Similar Species

Aculus craspedobius on willows; Rabdophaga marginemtorquens on osier or R clusilia on Salix alba also cause leaf rolls, which are not hairy inside (not more so than host plant is hairy)

Aculus tetanothrix can cause small closed galls on leaf edges of willows

Identification difficulty

gall Adult

Habitat

Wherever the host willow species occur.

When to see it

Galls may be encountered at any time that the host species are in leaf.

UK Status

True status in Britain is difficult to determine due to lack of records.

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: 2025+ | 2020-2024 | pre-2020

UK Map

Species profile

Species group:
acarine (Acari)
Kingdom:
Animalia
Order:
Trombidiformes
Family:
Eriophyidae
Records on NatureSpot:
1
First record:
02/09/2018 (lemmon, roy)
Last record:
02/09/2018 (lemmon, roy)

Total records by month

% of records within its species group

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