Early Thorn Selenia dentaria
Back To (Linnaeus, 1761)
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Geometridae » Ennominae
Resting distinguishes Early Thorn from all other British Thorns. It holds its wings up over its back and pressed together like a butterfly.Melanic forms occur fairly regularly in parts of northern England. Spring brood Adults are generally more numerous, larger, and more richly marked than those of the second generation. Wings are scalloped and there are 3 crosslines on the forewings. There is a dark patch at the apex of the forewing.
Melanic forms occur fairly regularly in parts of northern England.
The summer brood, which appears in August and September, usually produces smaller and paler moths.
Key Identification Features:
Only spring-flying thorn species
Three distinct crosslines on forewings
Small dark patch at apex of forewings
There are two distinct generations (except in the far north), the first of which flies in April and May. The summer brood, which appears in August and September, usually produces smaller and paler moths.
Common in woodland, scrubby heathland, hedgerows, gardens and parks throughout much of the British Isles.