Species Account

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Summary Data

Season (Adult / Immature):

National Status: Local

Local Status: Uncommon and local resident.

Local Record: Grade 3 adult, 2 leaf-mine   See here for explanation

Flight time:

Forewing: 2-3mm.

Foodplant: Elm.

Regional breakdown:

Year first recorded20022013197520032003
Year last recorded20022014201420142013
Number of records13191311
Number of individuals0132110
Unique positions13171311
Unique locations13171310
Adult records00100
Immature records13181311

For the county, we have a total of 47 records from 44 sites. First recorded in 1975.


04.018 Stigmella ulmivora 01 mine on elm
© Andy Nunn

Species Account

Most records are of leaf-mines.

Argus 47, 2001-04:
VC64. Ripon Parks, mines on Ulmus glabra 5.9.2003 (CHF). NEW VICE-COUNTY RECORD.

2013 (CHF): This species is not as common as Stigmella lemniscella on Elm but is proving to be fairly widespread across the county. Mines of the two species can be difficult to separate but the frass in the first part of the corridor is in a narrow central line with clear edges. The frass pattern in the later segment is very variable: sometimes in a narrow central line, sometimes broadly dispersed or even coiled when it looks rather like lemniscella. The exit hole however is in the lower epidermis whereas that of lemniscella is in the upper epidermis.

Argus 69, 2013:
VC62. Flatts Lane CP, Middlesborough & Newton under Roseberry Woods, mines on elm 17.10.2013 (CHF, RWo). NEW VICE-COUNTY RECORD.

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