Lachnus roboris

Alternative names
Variegated Oak Aphid
Description

Lachnus roboris apterae are shining blackish brown. The body length of an adult L. roboris aptera is 2.5 to 5.5 mm. L. roboris alates have the forewing membrane pigmented except for four clear patches (hence the common name ‘Variegated’ Oak Aphid).

Identification difficulty
Recording advice

Good close up photographs required please.

Habitat

Found on twigs and small branches of Oak (Quercus sp.) and sometimes Sweet Chestnut (Castanea sativa).

When to see it

Summer and autumn.

Life History

Apterous oviparae and large alate males occur in September-October and produce eggs which overwinter.

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: 2020+ | 2015-2019 | pre-2015

UK Map

Species profile

Species group:
Bugs
Kingdom:
Order:
Family:
Records on NatureSpot:
3
First record:
31/05/2022 (Nicholls, David)
Last record:
25/10/2023 (Timms, Sue)

Total records by month

% of records within its species group

10km squares with records

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