| Family: | Gelechiidae |
| Subfamily: | Dichomeridinae |
| Genus: | Acompsia |
| Species: | schmidtiellus |
| Authority: | (Heyden, 1848) |


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 | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Martin Down (SU01) | 11/07/2023 | - | Peter Allen | Adult |
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Brading Down (SZ58) | 1900 | - | W Fassnidge | Adult |
| Brading (SZ68) | 11/07/1931 | - | Anon | Adult |
| Niton (SZ57) | 1939 | - | S Wakely | Adult |
| Ventnor (SZ57) | 1970 | five | Richard Fairclough | Larval |
| Ventnor (SZ57) | 28/07/1977 | one | Richard J Dickson | Adult |
| Bonchurch Landslip (SZ57) | 13/07/2014 | one | Rob Wilson | Adult |
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| West Wood, Sparsholt (SU42) | 11/06/1988 | - | J R Langmaid, D H Sterling | Larval |
| Portsdown (SU60) | 29/04/1997 | one | J R Langmaid, I R Thirlwell | Larval |
| West Meon (SU62) | 26/05/1997 | - | J R Langmaid, I R Thirlwell | Larval |
| Portsdown (SU60) | 30/05/2000 | two | Richard J Dickson | Larval spinning |
| Portsdown (SU60) | 30/05/2000 | one | J R Langmaid, R J Dickson | Larval |
| Oxenbourne Down (SU71) | 08/06/2000 | - | J R Langmaid, I R Thirlwell | Larval spinning |
| Old Winchester Hill (SU62) | 24/07/2004 | one | Tim Norriss, Mark Trasenster, Mike Wall | Adult |
| Portsdown (SU60) | 17/05/2006 | - | J R Langmaid, B Elliott | Larval |
| Old Winchester Hill (SU62) | 25/07/2014 | one | Maurice Opie | Adult |
| Portsdown (SU60) | 20/05/2015 | - | J R Langmaid, S M Palmer | Larval |
| Old Winchester Hill (SU62) | 03/07/2015 | one | Richard J Dickson | Adult |
| Stockbridge Down (SU33) | 03/08/2016 | one | Mike Duffy | Adult |
| Old Winchester Hill (SU62) | 05/08/2016 | one | Richard J Dickson | Adult |
| Queen Elizabeth Country Park (SU71) | 03/06/2017 | five | J R Langmaid, M R Young | Larval |
| Blashford Lakes HIWWT NR (SU10) | 01/07/2018 | one | Robert A Chapman | Adult |
| Blashford Lakes HIWWT NR (SU10) | 03/07/2018 | one | Robert A Chapman | Adult |
| Blashford Lakes HIWWT NR (SU10) | 09/07/2018 | one | Robert A Chapman | Adult |
| West Meon (SU62) | 20/07/2018 | one | Richard J Dickson | Adult |
| Winchester (SU42) | 14/07/2020 | one | Tim Walker | Adult |
| Kings Somborne (SU33) | 15/07/2020 | one | Glynne Evans | Adult |
| Kings Somborne (SU43) | 15/07/2020 | one | Glynne Evans | Adult |
| Kings Somborne (SU32) | 31/07/2020 | one | Glynne Evans | Adult |
| Allbrook (SU42) | 22/07/2021 | one | Simon Ingram | Adult |
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Magdalen Hill Down NR (SU52) | 03/08/1996 | one | Phil Budd | Adult |
| Weston Colley (SU53) | 24/07/2010 | one | David G Green | Adult |
| Magdalen Hill Down NR (SU52) | 13/07/2011 | one | Patrick Fleet | Adult |
| Magdalen Hill Cemetery (SU52) | 11/07/2015 | one | Mike Wall & Jayne Chapman | Adult |
| Basingstoke (SU65) | 05/07/2017 | one | Mike Wall | Adult |
| Chilbolton (SU43) | 15/07/2017 | two | Glynne Evans | Adult |
| Chilbolton (SU43) | 05/08/2019 | one | Glynne Evans | Adult |
| Goodworth Clatford (SU34) | 23/07/2020 | one | Glynne Evans | Adult |
| North Waltham (SU54) | 11/07/2022 | one | Andy Jones | Adult |
| Morn Hill, Winchester (SU52) | 28/07/2023 | one | Colin Beyer, Patrick Fleet, Dave Shute, Lee Hurrell | Adult |
| Magdalen Hill Down NR (SU52) | 07/08/2023 | one | Tony Davis | Adult |
| Noar Hill HIWWT NR, Selborne (SU73) | 11/08/2023 | one | Tony Davis, Fi Haynes | Adult |
| Morn Hill, Winchester (SU52) | 11/08/2023 | one | Colin Beyer, Dave Shute | Adult |