Species Account

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Summary Data

Season (Adult / Immature):

National Status: Nb

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

Local Record: Grade 4   See here for explanation

Flight time: Two generations, May-Jun, Jul-Aug.

Forewing: 11-14mm.

Foodplant: Field Maple.

Regional breakdown:

Year first recorded18831883
Year last recorded18831950
Number of records22
Number of individuals00
Unique positions22
Unique locations22
Adult records22
Immature records00

For the county, we have a total of 4 records from 4 sites. First recorded in 1883.


70.031 Mocha 02
© Dave Shenton
70.031 Mocha 01
© Terry Box

Species Account

Sutton & Beaumont, 1989: There are no recent reports for this very local woodland moth. It was last recorded in Yorkshire near Knaresborough (VC64) in the late 1950s (YNU, 1970).

Current status (CHF, 2011): Last recorded in 1950. Healthy populations exist in southern England but there is no sign of a northwards expansion.

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