Species Account

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Summary Data

Season (Adult / Immature):

National Status: Local

Local Status: Rare and very local resident.

Local Record: Grade 4 adult, 2 leaf-mine   See here for explanation

Flight time: Jun-Jul.

Forewing: 3-4mm.

Foodplant: Birch.

Regional breakdown:

Year first recorded19041883188318831883
Year last recorded20141883201220151883
Number of records22781
Number of individuals30140
Unique positions22751
Unique locations22751
Adult records00070
Immature records10500

For the county, we have a total of 20 records from 17 sites. First recorded in 1883.


0128 Phylloporia bistrigella 04
© Terry Box, 31 May 2017
0128 Phylloporia bistrigella 03
© Andy Nunn
0128 Phylloporia bistrigella 02 mine on birch
© Andy Nunn
0128 Phylloporia bistrigella 01
© Charles Fletcher 29 Jun 2012

Species Account

Sutton & Beaumont, 1989: Widely recorded from all five vice-counties. Porritt (1907) gave its status as common but there are relatively few recent records.

2013 (CHF): An uncommon moth in the county where it can be found on heathland and open woodland with birches. The tiny adults come to light but the moth is more often encountered as a leaf mine. The initial corridor is long and very narrow, winding through the leaf and often crossing the midrib. This then abruptly widens into an irregular elongated blotch. At the end of the blotch the larva makes an oval excision about 4mm in diameter in which it drops to the ground for pupation. Mines are usually found in the youngest leaves.

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