Dasineura viciae

Description

The larvae of the midge Dasineura viciae cause galls to form on Common Vetch (Vicia sativa) and Bush Vetch (Vicia sepium) The leaflets swell to form pod like galls which may form dense clusters ranging in colour from green to red. The swollen areas contain small larvae which are pale orange or pale lemon in colour. The galls are seen more easily than the causer.

Similar Species

Similar galls are formed on Vicia cracca, Ervum tetraspermum or other species of Vetch or Tare 

Identification difficulty

Gall  Adult

Recording advice

Ensure you have identified the host plant correctly; see our Wildflower species galleries for guidance on identifying vetches.https://www.naturespot.org.uk/family/fabaceae

Habitat

Anywhere that the host plants are present.

When to see it

Summer.

Life History

Larvae pupate in the soil when fully grown. There are two or three generations per year.

UK Status

Status is difficult to determine due to lack of records, but it would appear to be widespread in England at least.

VC55 Status

Rare or under recorded in Leicestershire and Rutland. The record from Broughton Astley on 25th June was the first for VC55.

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:
Craneflies, Gnats & Midges
Kingdom:
Animalia
Order:
Diptera
Family:
Cecidomyiidae
Records on NatureSpot:
2
First record:
25/06/2015 (Calow, Graham)
Last record:
31/08/2023 (Timms, Sue)

Total records by month

% of records within its species group

10km squares with records

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