Species Account

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Summary Data

Season (Adult / Immature):

National Status: Common

Local Status: Scarce and thinly distributed and restricted resident.

Local Record: Grade 3   See here for explanation

Flight time: May-Jun,

Forewing: 4-7.5mm.

Foodplant: Downy Birch, Silver Birch.

IMPORTANT - Please note that the maps and accounts are provisional, subject to change and further update.  The whole dataset still needs to go through the final verification process and it is likely that a very small number of records will not satisfy the present requirements and there are other records that have not been formally submitted.  The information is for guidance only.

Record breakdown:

Year first recorded188920061889
Year last recorded201020102010
Number of records465102
Number of individuals525114
Unique positions37380
Unique locations35376
Adult records40590
Immature records000

For the region, we have a total of 102 records from 76 sites. Earliest record on file is in 1889.


0968 Cochylis nana 01
© Tom Morris

Species Account

to be written...

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