| Family: | Tortricidae | 
| Subfamily: | Olethreutinae | 
| Genus: | Ancylis | 
| Species: | obtusana | 
| Authority: | (Haworth, 1811) | 


The abundance in each month is indicated as follows:
 No records
 No records Very occasional
 Very occasional Irregular
 Irregular Uncommon
 Uncommon Off-peak, but not unusual
 Off-peak, but not unusual Off-peak, but not unusual
 Off-peak, but not unusual Main flight time
 Main flight time| J | F | M | A | M | J | J | A | S | O | N | D | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adult |  |  |  |  |  |  |  |  |  |  |  |  | 
| Larval |  |  |  |  |  |  |  |  |  |  |  |  | 
| Site | Date | Quantity | Recorder | Stage | 
|---|---|---|---|---|
| Yarmouth (SZ38) | 1900 | - | W Fassnidge | Adult | 
| Firestone Copse (SZ59) | 10/06/1978 | - | Richard J Dickson | Adult | 
| Cranmore (SZ39) | 28/05/2004 | one | Tim Norriss | Adult | 
| Site | Date | Quantity | Recorder | Stage | 
|---|---|---|---|---|
| Botley Wood (SU51) | 17/06/1972 | one | Richard J Dickson | Adult | 
| Botley Wood (SU50) | 29/06/1975 | one | Richard J Dickson | Adult | 
| Botley Wood (SU50) | 21/05/1976 | one | Richard J Dickson | Adult | 
| Botley Wood (SU50) | 28/05/1976 | - | David Appleton | Adult | 
| Botley Wood (SU50) | 01/07/1978 | - | J R Langmaid et al | Adult | 
| Botley Wood (SU50) | 02/06/1979 | - | J R Langmaid et al | Adult | 
| Botley Wood (SU50) | 03/06/1981 | one | J R Langmaid, M W Harper | Adult | 
| West Walk, Wickham (SU61) | 28/06/1986 | one | J R Langmaid, M S Parsons | Adult | 
| Botley Wood (SU50) | 21/05/1990 | one | Richard J Dickson | Adult | 
| Botley Wood (SU50) | 29/05/1998 | one | J R Langmaid, R J Dickson | Adult | 
| Botley Wood (SU50) | 29/05/1998 | one | Richard J Dickson | Adult | 
| Botley Wood (SU51) | 10/06/2005 | one | Richard J Dickson | Adult | 
| Fletchers Water, NF (SU20) | 25/05/2007 | one | Tim Norriss, Richard Coomber, Juliet Bloss, Peter & Cindy Allen | Adult | 
| West Walk (SU61) | 16/05/2008 | one | Richard J Dickson | Adult | 
| Fox Heath Copse (SU33) | 27/05/2008 | one | Mark Parsons, Kate Dent | Adult | 
| Southsea (SZ69) | 10/06/2008 | one | John R Langmaid | Adult | 
| Ashurst, NF (SU31) | 14/06/2008 | one | Keith Godfrey | Adult | 
| Romsey (SU32) | 03/06/2011 | one | Mike Baker | Adult | 
| Lopcombe Escarpment (SU23) | 27/08/2011 | two | David G Green | Larval | 
| Funtley (SU50) | 26/07/2012 | one | Maurice Opie | Adult | 
| Botley Wood (SU50) | 20/05/2014 | one | Maurice Opie | Adult | 
| West Walk (SU61) | 27/06/2014 | two | Maurice Opie | Adult | 
| Portsmouth (SU60) | 26/07/2016 | one | Ian Thirlwell | Adult | 
| Milford on Sea (SZ29) | 02/07/2018 | one | Mary Macmillan | Adult | 
| Fareham (SU50) | 08/07/2021 | one | Maurice Opie | Adult | 
| Botley Wood (SU50) | 14/05/2022 | one | Dan Houghton | Adult | 
| Botley Wood (SU50) | 18/05/2022 | one | Dan Houghton | Adult | 
| Site | Date | Quantity | Recorder | Stage | 
|---|---|---|---|---|
| Abbotstone Down (SU53) | 01/06/1993 | one | J R Langmaid, D H Sterling, R J B Hoare | Adult | 
| Micheldever (SU54) | 28/07/1999 | one | Martin C Harvey | Adult | 
| Magdalen Hill Down NR (SU52) | 17/05/2008 | one | Patrick Fleet | Adult | 
| Magdalen Hill Down NR (SU52) | 17/05/2008 | one | Malcolm Bridge, Pat Fleet | Adult | 
| Sutton Scotney (SU43) | 25/07/2008 | one | Patrick Fleet | Adult | 
| Magdalen Hill Down NR (SU52) | 01/05/2009 | one | Patrick Fleet | Adult | 
| Magdalen Hill Down NR (SU52) | 16/04/2010 | one | Patrick Fleet | Adult | 
| Weston Colley (SU53) | 18/09/2010 | - | David G Green | Larval | 
| Magdalen Hill Down NR (SU52) | 26/06/2011 | three | Mike Wall | Adult | 
| Magdalen Hill Down NR (SU52) | 26/06/2011 | five | David G Green | Adult | 
| Weston Colley (SU53) | 09/09/2011 | four | David G Green | Larval | 
| Stockbridge Down (SU33) | 06/06/2016 | one | J R Langmaid, M R Young | Adult | 
| Pamber Forest (SU66) | 26/05/2018 | one | Graham Dennis | Adult |