Species Account

Select species and region:



Summary Data

Season (Adult / Immature):

National Status: Local

Local Status: Scarce and local resident.

Local Record: Grade 1   See here for explanation

Flight time: One generation, Jul-Aug

Forewing: 9-11mm.

Foodplant: Red Bartsia.

Regional breakdown:

Year first recorded19291959197019602012
Year last recorded20142011201420142014
Number of records1653454522
Number of individuals1423967612
Unique positions421027192
Unique locations461027192
Adult records1573352482
Immature records31030

For the county, we have a total of 307 records from 104 sites. First recorded in 1929.


70.134 Barred Rivulet 02
© Ian Marshall, 4 Aug 2013
70.134 Barred Rivulet 01
© Charles Fletcher, 21 Jul 2004

Species Account

Sutton & Beaumont, 1989: This species was only reported from two sites previously (YNU, 1970). It is now known to be more widespread where red bartsia grows.

2012 (CHF): Local in the centre and east of the county where its foodplant occurs. Numbers have reduced a little recently.

See background to species accounts.  Index of Vernacular names - Search - Random Species