Colocasia coryli

Colocasia coryli
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Noctuidae
Genus: Colocasia
Species: C. coryli
Binomial name
Colocasia coryli
(Linnaeus, 1758)

The Nut-tree Tussock (Colocasia coryli) is a moth of the family Noctuidae. It is found in Europe. Western Asia. In the North, the distribution area includes northern Scandinavia, in the South the moth is limited to montane areas of Western and Northern Spain, Sicily, Greece and Asia minor. In the East the range extends across the Palearctic to Lake Baikal.In the Alps coryli rises up to 1600 m. asl.

Caterpillar

The wingspan is 27–35 mm. The length of the forewings is 14–17 mm.

Description

For a key to the terms used, see Glossary of entomology terms.

The ground colour of the forewings is variable silver to brownish grey. The basal area of the forewing is darker as far as the median field then paler in the distal field. Antemedian and postmedian lines are both black. The stigmata are round and outlined in black sometimes white in the centre. The fringe is chequered brown and grey. The hindwings are pale fuscous with darker veining."Forewing pearly grey, tinged with brown; lines blackish, vertical; space between them often dark brown. The form mus Oberth. from Amurland has the ground colour more bluish grey."[1]

Biology

The moth flies in two generations from early April to early September. . Larva ochreous,with grey hairs; dorsal line dark, with two long projecting pencils of black hairs from segment 2 and one from segment 12., two reddish brown erect tufts on segments 5 and 6. The larvae feed on Corylus avellana, Oak, European Beech, Carpinus betulus, Birch and Acer campestre.[2] Feeds up in autumn.

Notes

  1. ^ The flight season refers to The Netherlands. This may vary in other parts of the range.

References

  1. ↑ Seitz, A. Ed., 1914 Die Großschmetterlinge der Erde, Verlag Alfred Kernen, Stuttgart Band 3: Abt. 1, Die Großschmetterlinge des palaearktischen Faunengebietes, Die palaearktischen eulenartigen Nachtfalter, 1914"
  2. ↑ "Robinson, G. S., P. R. Ackery, I. J. Kitching, G. W. Beccaloni & L. M. Hernández, 2010. HOSTS - A Database of the World's Lepidopteran Hostplants. Natural History Museum, London.".
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