Marsh Greenbottle - Lucilia silvarum

Description

Wing length 4.5-8.5mm. Tergites 1+2 are blackish from all angles. Tergite 4 with very long marginals, tergite 3 with median marginals nearly as long (in male) or half as long (in female) as the length of tergite 4.

Similar Species

L. bufonivora (Toad Greenbottle).

Identification difficulty
ID checklist (your specimen should have all of these features)
  • Basicosta blackish.
  • Tergite 1+2 blackish from all angles.
  • Tergite 3 with median marginals nearly as long (in male) or half as long (in female) as the length of tergite 4.
  • Three pairs of postsutural acrostichals.
Recording advice

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.

Habitat

Pools, ditches and marshy areas supporting the amphibians their larvae parasitise.

When to see it

April to September.

Life History

Larvae parasitise amphibians, but it will also use amphibian and mammalian carrion.

UK Status

Widespread across the UK.

VC55 Status

The Spearwort Fields record was the first for VC55.

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:
insect - true fly (Diptera)
Kingdom:
Animalia
Order:
Diptera
Family:
Calliphoridae
Records on NatureSpot:
2
First record:
15/08/2020 (Gould, David)
Last record:
27/06/2021 (Gould, David)

Total records by month

% of records within its species group

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