Sallow Kitten Furcula furcula
Wingspan 27-35 mm.
The most widespread and common of the British 'kittens' (Furcula spp.), being distributed throughout in a range of habitats.
In the southern half of its range there are two generations, flying in May and June, then again in August. In the north it is single-brooded, flying in June and July.
The caterpillars, which resemble smaller versions of those of the Puss Moth (Cerura vinula), feed on sallow (Salix), aspen (Populus tremula) and other poplars (Populus spp.).