Species Account

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Summary Data

Season (Adult / Immature):

National Status: Common

Local Status: Rare and local resident.

Local Record: Grade 3   See here for explanation

Flight time: One or more generations (?), May-Aug.

Forewing: 4-6mm.

Foodplant: Birch.

Regional breakdown:

Year first recorded19971859200118831883
Year last recorded20142014201420052011
Number of records10192454
Number of individuals102327104
Unique positions8121934
Unique locations6111834
Adult records9171343
Immature records101100

For the county, we have a total of 62 records from 42 sites. First recorded in 1859.


16.015 Swammerdamia caesiella 01
© Dave Williamson

Species Account

Sutton & Beaumont, 1989: Widespread and often common throughout all five vice-counties.

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