| Family: | Elachistidae | 
| Subfamily: | Elachistinae | 
| Genus: | Elachista | 
| Species: | trapeziella | 
| Authority: | Stainton, 1849 | 


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 | 
|---|---|---|---|---|
| Godshill (SU11) | 29/04/1991 | 10 | J R Langmaid, D H Sterling | Larval | 
| Godshill (SU11) | 18/04/1992 | five | J R Langmaid, D H, M J Sterling | Larval | 
| Godshill (SU11) | 20/04/1994 | - | J R Langmaid, R J B Hoare | Larval |