Small Yellow Wave
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Hydrelia flammeolaria
Commonly found in Southern Britain, becoming scarcer further north, mainly nocturnal.
The Larva is light green with white longitudinal stripes on either side of the back.
The Larvae in the south feed on Field Maple, in the north they feed on Alder.
Larvae can be found from July to September.
It overwinters as a pupa.
The forewings are white with about six fairly wide, wavy, brownish-yellow cross-bands that sometimes flow partially together.
In the middle of the wing there is a small, brown spot.
The hindwings are white with three brownish-yellow cross-bands.
There is one generation per year, with Adults on wing from mid-May to August.