Species Account

Select species and region:



Summary Data

Season (Adult / Immature):

National Status: Local

Local Status: Very rare and very local. No recent record.

Local Record: Grade 4   See here for explanation

Flight time: Late Jul-Oct, hibernates to following Spring.

Forewing: 5-6mm.

Foodplant: Field Maple, sometimes Sycamore.

Regional breakdown:

Year first recorded18682013
Year last recorded18682013
Number of records11
Number of individuals00
Unique positions11
Unique locations11
Adult records10
Immature records01

For the county, we have a total of 2 records from 2 sites. First recorded in 1868.


15.012 Caloptilia semifascia 03 mine on field maple
© Andy Nunn
15.012 Caloptilia semifascia 02 leaf fold
© Dave Shenton
15.012 Caloptilia semifascia 01 leaf mines
© Dave Shenton

Species Account

Sutton & Beaumont, 1989:
VC62. Forge Valley, common on field maple (Wilkinson, 1868).

Argus 69, 2013: Only previous recorded in Yorkshire from VC62 in the middle of the nineteenth century.
VC63. Rawmarsh, larval mine 31.8.2013 (DSh). NEW VICE-COUNTY RECORD.

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