Cryptosiphum artemisiae

Alternative names
Mugwort Gall Aphid
Description

The aphid Cryptosiphum artemisiae forms, and lives within, red globular leaf galls on Mugwort (Artemisia vulgaris). Macrosiphoniella artemisiae apterae are of moderate size, greyish-green and wax powdered. The antennae and legs are mostly black, except for the base of antennal segment 3 and the basal part of the front femur which are brown. The siphunculi and cauda are entirely black.

Identification difficulty

Adult Gall

Recording advice

Adult: Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.

Habitat

Wherever Mugwort is present.

When to see it

Galls may be encountered when Mugwort is 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.

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Leicestershire & Rutland Map

MAP KEY:

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

UK Map