| Family: | Micropterigidae | 
| Subfamily: | Micropteriginae | 
| Genus: | Micropterix | 
| Species: | mansuetella | 
| Authority: | (Zeller, 1844) | 


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 | 
|---|---|---|---|---|
| Freshwater (SZ38) | 1947 | - | K G Blair | Adult | 
| Site | Date | Quantity | Recorder | Stage | 
|---|---|---|---|---|
| Pamber Forest (SU66) | 21/05/1974 | one | David Appleton | Adult | 
| Leckford Estate (SU33) | 1979 | - | Unknown | - | 
| Leckford Estate (SU33) | 26/05/1982 | 12 | D H Sterling | Adult | 
| Leckford (SU33) | 1983 | - | D H Sterling | Adult | 
| Charity Down, Leckford (SU33) | 1983 | - | D H Sterling | Adult | 
| Leckford Estate (SU33) | 07/05/1989 | - | J R Langmaid, D H, P H Sterling | Adult | 
| Zebon Copse NR (SU85) | 13/05/2023 | two | Ben Dale | Adult |