Photo © Andy Mitchell
Swammerdamia caesiella
Checklist Number16.015 [B&F: 0437]
Verification
Record requires retention of specimen until confirmed, and may require dissection. Consult with CMR if unsure
Classification
| Family: | Yponomeutidae |
| Subfamily: | Yponomeutinae |
| Genus: | Swammerdamia |
| Species: | caesiella |
| Authority: | (Hübner, 1796) |
Common in heathland and open woodland throughout much of the British Isles. In Hampshire and on the Isle of Wight common wherever birch occurs. Wingspan 9-13 mm. Larva feeds on Silver Birch and Downy Birch, beneath a silken web, over-wintering as a pupa in a cocoon.
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 | | | | | | | | | | | | |
Records by week (adult)
Records by week (larval)