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Rare (proposed as a future Red Data Book species) on chalk downland in south-eastern England. In Hampshire recorded only from a narrow band between Leckford and St Catherine's Hill. Not recorded from the Isle of Wight to date. Wingspan 3.5-4.5 mm. Adults difficult to distinguish from other Stigmella species, and more frequently recorded in the larval stage, when mines are relatively easy to find where they are present. Larva mines leaves of Dropwort, over-wintering as a pupa.
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Flightime guide |
| Stage | J | F | M |
A | M | J |
J | A | S |
O | N | D |
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Detail records |
| Site | Date | Quantity | Recorder | Stage |
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| VC11 South Hampshire |
| Winchester (SU42) | 1973 | - | Ffennell, DWH | Larval |
| Teg Down (SU42) | 16-Oct-1990 | - | Sterling, DH | Mine |
| Teg Down, Winchester (SU42) | 26-Aug-1991 | one | Langmaid, JR; Sterling, DH | Mine (vacated) |
| Teg Down, Winchester (SU42) | 14-Sep-1991 | - | Langmaid, JR; Sterling, DH | Mine |
| Teg Down (SU42) | 14-Sep-1991 | - | Sterling, DH | Mine |
| Teg Down, Winchester (SU42) | 05-Oct-1992 | - | Langmaid, JR; Sterling, DH | Mine |
| Teg Down, Winchester (SU42) | 25-Oct-2001 | - | Elliott, Brian & Langmaid, John | Mine |
| St Catherine's Hill, Winchester (SU42) | 24-Sep-2003 | - | Elliott, Brian & Langmaid, John | Mine |
| Langstone (SU70) | 28-Aug-2018 | one | Langmaid, John & Phillips, John | Mine (vacated) |
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| VC12 North Hampshire |
| Mapledurwell Fen SSSI (SU65) | 20-Oct-1970 | - | Brown, SCS | Mine (vacated) |
| Leckford (SU33) | 1973 | - | Ffennell, DWH | Larval |
| Chilbolton (SU34) | 1973 | - | Ffennell, DWH | Larval |
| Leckford Estate (SU33) | 1973 | - | Ffennell, DWH | Larval |
| Itchen Abbas (SU53) | 28-Sep-1973 | one | Ffennell, DWH | Larval |
| Leckford (SU33) | 1975 | - | Ffennell, DWH | Adult |
| Leckford Estate (SU33) | 18-Sep-1986 | - | Langmaid, JR; Sterling, DH | Mine (vacated) |
| Leckford Estate (SU33) | 17-Sep-1987 | one | Langmaid, JR; Sterling, DH | Mine |
| Mapledurwell Fen SSSI (SU65) | 25-Sep-2004 | one | Dennis, Graham | Mine (vacated) |
| Leckford Estate (SU33) | 20-Oct-2011 | - | Langmaid, John, M.R. Young & B. Elliott | Mine |
| Mapledurwell Fen HIWWT (SU65) | 14-Aug-2017 | - | Dennis, Graham | Mine (vacated) |
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