My first new moth for today comes with a little bit of controversy: many moths are bivoltine - they have two generations per year. This is complicated by the fact that some species have two generations in southern areas, but only one generation in northern areas. The Engrailed moth has tentatively been divided into two species - Engrailed and Small Engrailed, largely based around the number of generations in different areas. The picture is currently far from clear, and perhaps we're just part way through the evolution of a new species. Until the matter is resolved, we have to refer to these specimens as Engrailed/Small Engrailed.
|Engrailed/ Small Engrailed|
Both species feed on a wide range of trees and shrubs.
The Dark-barred Twin-spot Carpet can be separated from confusion species by the 'notch' in the front edge of the dark band on the wing. The larvae feed on herbaceous plants such as Dock.
|Dark-barred Twin-spot Carpet|
Nut-tree Tussock feeds on broad-leaved trees as a larva:
|Glaucus Shears - tentative identification|
This moth is a good example of the effect of habitat: they are only found very near their host plants; Heathers, Bilberry and other heath plants. Also suspected to be migrant.
All of these moths are new to me, so my Species Index has suddenly leapt to 1393 species.