Angerona prunaria f. corylaria · Slyvinis sprindžius «Angerona prunaria f. corylaria · Slyvinis sprindžius^Thumbnails»Angerona prunaria f. corylaria · Slyvinis sprindžius«Angerona prunaria f. corylaria · Slyvinis sprindžius^Thumbnails»Angerona prunaria f. corylaria · Slyvinis sprindžius«Angerona prunaria f. corylaria · Slyvinis sprindžius^Thumbnails»Angerona prunaria f. corylaria · Slyvinis sprindžius

Angerona prunaria f. corylaria · Slyvinis sprindžius

  • orange moth
  • Schlehenspanner, Pflaumenspanner
  • slyvinis sprindžius
  • mainīgais alkšņu sprīžmetis
  • szypleć leszczyniak

The moth prefers forest areas and is found in central and northern Europe, Russia and the Middle East and east across the Palearctic to Japan. Angerona prunaria is a relatively large and prominent representatives of the geometer moths. It can reach a wingspan of 35–45 mm, rarely up to 56 mm. As in most Lepidoptera, the males are usually slightly smaller than the females. The ground colour is red to orange or yellow. There is a fine grey to almost black cross stippling and a transverse vein spot in females. The fringes have dark spots. The species is very variable. The males of this species are brighter in colour than the females, both sexes can be found in the typical plain orange form, as well as f. corylaria, which exhibits an orange band on a dark brown ground colour.

The caterpillars are also variably coloured. They resemble small dead branches to confuse predators. The body colour ranges from a pale yellowish brown to grey-brown to reddish-brown. The sides and the back are patterned with a series of black strokes and dots. On the fifth segment there is a pair of small dorsal humps, on segment ten there is an eye-catching pair of dorsal humps. The head of the caterpillars is brown, they reach a length of up to 50 mm. The larva feeds on Prunus spinosa, Lonicera xylosteum , Populus tremula, Frangula dodonei, Vaccinium myrtillus.

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