Adelges laricis group - Adelges laricis

Alternative names
Larch Adelgid
Larch Woolly Aphid
Description

The larvae of Adelges laricis cause galls on Spruce. The galls are waxy, creamy and relatively small. The winged female which matures on spruce is greyish to blackish, with a body length of 1.9 to 2.0 mm.  For a full description of the life cycle see link below.

The Adelges laricis species group contains A. viridis, A. viridiana &  A. laricis, which cannot be readily distinguished. A. laricis is the commonest species.

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.

Gall: When recording the gall please state the host species and provide images.

Habitat

Found on Spruce and Larch.

When to see it

The galls mature in June-July.

Life History

Adelges laricis host alternates between the primary host Spruce and the secondary host Larch.  (see further information link below).

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:
Bugs
Kingdom:
Animalia
Order:
Hemiptera
Family:
Adelgidae
Records on NatureSpot:
3
First record:
01/06/2022 (lemmon, roy)
Last record:
12/05/2025 (Calow, Graham)

Total records by month

% of records within its species group

10km squares with records

The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.

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Latest images

Latest records