Photo © Glynne Evans
Elachista triatomea
Checklist Number38.005 [B&F: 0611]
Verification
Record will normally be accepted but photo evidence may be required - check with CMR if not sure of identity
Classification
| Family: | Elachistidae |
| Subfamily: | Elachistinae |
| Genus: | Elachista |
| Species: | triatomea |
| Authority: | (Haworth, 1828) |
Found in open grassland, hillsides and clifftops, throughout central and eastern England and south-eastern Scotland, also in central and western Scotland and Ireland (MBGBI Vol 3). In Hampshire and Isle of Wight, there are scattered records from downland across all three vice-counties, but never common. Wingspan 8-9mm. The dark ciliary line and dark spots on the fold and at the apex of the cell are diagnostic (MBGBI Vol 3). Larva mines the leaves of Sheep's-fescue and Red Fescue.
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) | 12/06/2012 | two | Dan Houghton | Adult |
| Martin Down NNR (SU01) | 18/06/2012 | three | Dan Houghton | Adult |
VC10 Isle of Wight
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Freshwater (SZ38) | 1947 | one | K G Blair | Adult |
| Afton Down (SZ38) | 27/06/2010 | one | Dave Cooke | Adult |
| The Needles (SZ28) | 03/07/2015 | one | Stephen Plummer | Adult |
VC11 South Hampshire
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Oxenbourne Down (SU71) | 06/07/1985 | one | John R Langmaid | Adult |
| Portsdown (SU60) | 10/07/2005 | one | J R Langmaid, M R, J E Young | Adult |
| Winchester (SU43) | 29/05/2009 | one | John Cloyne | Adult |
| Portsdown (SU60) | 21/06/2010 | one | Stuart Ball | Adult |
| Dockens Water, Ringwood (SU11) | 02/06/2012 | two | Chris Lewis | Adult |
| Portsdown (SU60) | 04/06/2016 | one | J R Langmaid, M R Young | Adult |
| Queen Elizabeth Country Park (SU71) | 02/07/2018 | one | J R Langmaid, M R, J E Young, I R Thirlwell | Adult |
| Bishop's Waltham (SU51) | 17/06/2020 | one | Dennis Trunecka | Adult |
| Hayling Island, The Kench (SZ69) | 17/06/2022 | one | Sam Thomas | Adult |
VC12 North Hampshire
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Leckford Estate (SU33) | 1940 | - | Unknown | - |
| Harewood Forest (SU44) | 03/07/1976 | one | David Appleton | Adult |
| Leckford Estate (SU33) | 07/06/1980 | - | J R Langmaid, D H Sterling | Adult |
| Leckford Estate (SU33) | 14/07/1985 | - | J R Langmaid, E C Pelham-Clinton, D H Sterling | Adult |
| Leckford Estate (SU33) | 29/06/1986 | - | J R Langmaid, D H Sterling, P H Sterling, M S Parsons | Adult |
| Noar Hill HIWWT NR, Selborne (SU73) | 27/07/1997 | one | David G Green | Adult |
| Porton Down (SU23) | 03/07/2003 | one | David G Green | Adult |
| Old Burghclere (SU45) | 09/07/2010 | 10 | Graham Dennis | Adult |
| Weston Colley (SU53) | 25/06/2011 | one | David G Green | Adult |
| Perham Down (SU24) | 18/06/2017 | one | Tim Norriss | Adult |
| Anna Valley, Andover (SU34) | 01/07/2018 | one | Tim Norriss | Adult |
| Cholderton (SU24) | 27/07/2019 | one | Tim Norriss, Lynn Fomison, Henry Edmunds | Adult |
| Barton Stacey (SU44) | 27/05/2020 | one | Glynne Evans | Adult |
