Brown Silver-line
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Petrophora chlorosata
Fairly common Moth over much of Britain.
The Caterpillars have a brownish or greenish colour, show fine dark longitudinal lines and a wide whitish or yellowish side stripe.
They feed on Bracken (Pteridium aquilinum) from about mid-June to early September, although most have pupated in the soil by late July.
Overwinters as a pupa.
The forewing light brown, the lines finely whitish, proximally dark shaded, subterminal line rather straight, sometimes indistinct.
The Moth flies from the end of April to the end of June and are readily flushed from the foodpant or surrounding vegetation.
They are also attracted to light.