Elachista subnigrella
Checklist Number38.033 [B&F: 0603]
Verification
Record requires retention of specimen until confirmed, and may require dissection. Consult with CMR if unsure
Classification
| Family: | Elachistidae |
| Subfamily: | Elachistinae |
| Genus: | Elachista |
| Species: | subnigrella |
| Authority: | Douglas, 1853 |
Nationally scarce (Nb) in dry grassland throughout much of the British Isles, but not in the Highlands or Islands of Scotland. In Hampshire a species of chalk grassland, reported widely but, like others of the genus, it is probably under-recorded; not recorded from the Isle of Wight since 1978. Wingspan 7-8 mm. Similar to several other Elachista species, and best identified by dissection of the genitalia. Larva mines leaves of robust grasses such as Upright Brome and Downy Oat-grass.
The abundance in each month is indicated as follows:
No records
Very occasional
Irregular
Uncommon
Off-peak, but not unusual
Off-peak, but not unusual
Main flight time| J | F | M | A | M | J | J | A | S | O | N | D | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adult | | | | | | | | | | | | |
| Larval | | | | | | | | | | | | |
Records by week (adult)
Records by week (larval)
VC8 Wiltshire (Hants county)
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Martin Down NNR (SU01) | 06/05/1990 | - | Steve Nash | - |
| Martin Down NNR (SU01) | 08/06/1992 | - | J R Langmaid, R M Palmer | Adult |
VC10 Isle of Wight
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Brading Down (SZ58) | 14/06/1969 | one | E C Pelham-Clinton | Adult |
| Tennyson Down (SZ38) | 04/06/1978 | one | Richard J Dickson | Adult |
VC11 South Hampshire
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Oxenbourne Down (SU71) | 27/05/1972 | one | David Appleton | Adult |
| Oxenbourne Down (SU71) | 25/05/1974 | two | Richard J Dickson | Adult |
| Portsdown (SU60) | 20/06/1981 | one | J R Langmaid | Adult |
| Pitt Down, Sparsholt (SU42) | 11/07/1981 | one | J R Langmaid, D H, P H Sterling | Adult |
| Teg Down, Winchester (SU42) | 26/04/1986 | one | J R Langmaid, D H Sterling | Larval |
| Portsdown (SU60) | 23/04/1987 | one | J R Langmaid, D H Sterling | Larval |
| Teg Down, Winchester (SU42) | 04/05/1987 | - | J R Langmaid, D H Sterling | Mine (vacated) |
| Portsdown (SU60) | 09/05/1987 | one | J R Langmaid | Adult |
| Southsea (SZ69) | 16/05/1988 | one | J R Langmaid | Adult |
| Portsdown (SU60) | 01/05/1989 | one | J R Langmaid, R J Dickson | Adult |
| Portsdown (SU60) | 01/05/1989 | one | Richard J Dickson | Adult |
| Southsea (SZ69) | 16/05/1989 | one | Richard J Dickson | Adult |
| Lower Test Marshes NR (SU31) | 1993 | one | D H Sterling | Adult |
| Fareham (SU50) | 24/04/1993 | one | Richard J Dickson | Adult |
| Oxenbourne Down (SU71) | 18/05/1993 | one | J R Langmaid | Adult |
| Beacon Hill NNR, Exton (SU62) | 20/07/2000 | - | J R Langmaid, I R Thirlwell, B Elliott | Adult |
| Fort Widley (SU60) | 17/05/2005 | four | Richard J Dickson | Adult |
| Portchester Common SSSI (SU60) | 17/05/2013 | one | Richard J Dickson | Adult |
| Southsea (SZ69) | 16/08/2013 | one | J R Langmaid | Adult |
| Old Winchester Hill (SU62) | 09/06/2014 | one | Richard J Dickson | Adult |
| Southsea (SZ69) | 15/06/2020 | one | J R Langmaid | Adult |
VC12 North Hampshire
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Leckford Estate (SU33) | 1940 | - | Unknown | - |
| Noar Hill HIWWT NR, Selborne (SU73) | 24/05/1976 | one | David Appleton | Adult |
| Leckford Estate (SU33) | 14/04/1985 | one | J R Langmaid, E C Pelham-Clinton, D H Sterling | Larval |
| Leckford Estate (SU33) | 26/04/1986 | - | J R Langmaid, D H Sterling | Larval |
| Leckford Estate (SU33) | 25/04/1987 | one | J R Langmaid, D H Sterling | Adult |
| Leckford Estate (SU33) | 11/07/1987 | two | J R Langmaid, D H Sterling | Larval |
| Wildhern (SU35) | 05/05/2000 | - | David G Green | Adult |
| Leckford Estate (SU33) | 16/05/2002 | one | J R Langmaid, B Elliott | Adult |
| Noar Hill HIWWT NNR (SU73) | 21/04/2022 | one | Ben Dale | Adult |