Merzomyia westermanni

Alternative names
Icterica westermanni
Description

Larger species, wing length up to 7mm. Wing with extensive reticulated markings with brown and golden-yellow colours as well as black, and a distinctive large, rounded and irregularly shaped clear area in the centre of the wing.  Two pairs of frontal setae.  On Senecio species.

Identification difficulty
Recording advice

Provide good quality field photograph that clearly shows wing-pattern.  

Habitat

Grassland with Ragwort

UK Status

Scattered in England. Notable 

VC55 Status

Occasional. (7 records: pers. comm., R. Morris)

Further Information

White, I.M. (1988). Tephritid flies. RES Handbooks for the Identification of British Insects.

Morris, R (2021). The Status of Diptera in VC55: Tephritidae (LESOPS 39). Leicestershire Entomological Society

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:
Flies
Kingdom:
Order:
Family:
Records on NatureSpot:
2
First record:
07/08/2023 (Timms, Sue)
Last record:
16/08/2023 (Timms, Sue)

Total records by month

% of records within its species group

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