Oncopsis alni
Oncopsis alni
Description
Length 5 - 6 mm; females larger than males. Sexually dimorphic and variable in colouration and intensity of markings. Nymphs cannot be verified.
Predominantly yellowish-brown to reddish-brown.
Similar Species
Other Oncopsis species.
Identification difficulty
Recording advice
Detailed examination of the specimen is needed to identify this species. You must note the host plant.
Habitat
Alder (Alnus glutinosa, A. incana).
When to see it
Miid-May to September.
UK Status
Common. (ref.: UK Auchenorrhyncha checklist 2021, on British Bugs website)
VC55 Status
Rarely recorded
Further Information
AJ Cann
Pickworth Great Wood
08 July 2022
sue
Nailstone Wiggs, by steps
04 May 2024
female
AJ Cann
Pickworth Great Wood
08 July 2022
sue
Nailstone Wiggs, by steps
04 May 2024
AJ Cann
Fosse Meadows
12 May 2025
AJ Cann
Fosse Meadows
12 May 2025
AJ Cann
Fosse Meadows
12 May 2025
sue
Nailstone Wiggs, by steps
04 May 2024
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020
UK Map
Additional images
No additional images available for this species.