The antennae also have a whitish band near the tips and there is a small yellowish-white spot or dash at the rear of the thorax.
The caterpillars spend two years feeding near the base of a tree trunk or in the roots, overwintering as larvae.
Size and Family
- Family – Clearwing moths (Sesiidae)
- Small Sized
- Wingspan Range – 24-28mm
- UK BAP: Not listed
- Nationally Scarce B
Caterpillar Food Plants
Alder (Alnus glutinosa) and birches.