Eriothrix rufomaculata

Description

This is a very common bristly black fly, with prominent orange patches on the sides of its abdomen. It has a silvery face and a mouth that projects forward.

Similar Species

Aphria longirostris also has red abdominal patches but can be separated by its long rigid proboscis which projects out in front of the head.

Identification difficulty
ID guidance
  • red abdominal side-patches
  • silvery face
  • projecting mouth edge
  • long costal spine
  • slightly shaded wings
  • a small petiole on the median vein
Habitat

Adults are flower-feeders, visiting various flowers including umbellifers and flowers of the Daisy family.

When to see it

June to October.

Life History

Larvae of this species are parasitic, developing inside the larvae of moths.

UK Status

Fairly common and widespread in Britain.

VC55 Status

Fairly common in Leicestershire and Rutland

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:
Flies
Kingdom:
Animalia
Order:
Diptera
Family:
Tachinidae
Records on NatureSpot:
276
First record:
23/07/2009 (Calow, Graham)
Last record:
29/08/2023 (Graves, Hazel)

Total records by month

% of records within its species group

10km squares with records

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