The Small Tortoiseshell has a distinctive pattern on an orange background and a row of blue spots along the edges of the wings.
The Small Tortoiseshell hibernates as an adult and usually emerges in March, although it can be seen in almost any month. There are two generations, flying between late June and early October.
Eggs are laid in large clusters on the underside of Nettle leaves.
| No of tetrads | 961 |
|---|---|
| First sighting | 04/01/2015 |
| Last sighting | 29/01/2015 |
| No of tetrads | 762 |
|---|---|
| First sighting | 12/01/2016 |
| Last sighting | 25/12/2016 |
| No of tetrads | 772 |
|---|---|
| First sighting | 02/01/2017 |
| Last sighting | 22/12/2017 |
| No of tetrads | 844 |
|---|---|
| First sighting | 01/01/2018 |
| Last sighting | 12/11/2018 |
| No of tetrads | 1085 |
|---|---|
| First sighting | 01/01/2019 |
| Last sighting | 17/11/2019 |
| No of tetrads | 1147 |
|---|---|
| First sighting | 04/01/2020 |
| Last sighting | 15/12/2020 |
| No of tetrads | 1065 |
|---|---|
| First sighting | 01/01/2021 |
| Last sighting | 24/12/2021 |
| No of tetrads | 863 |
|---|---|
| First sighting | 02/01/2022 |
| Last sighting | 20/11/2022 |
| No of tetrads | 860 |
|---|---|
| First sighting | 07/01/2023 |
| Last sighting | 24/11/2023 |
| No of tetrads | 630 |
|---|---|
| First sighting | 20/01/2024 |
| Last sighting | 03/12/2024 |