Apotomis semifasciana

Apotomis semifasciana, the short-barred grey marble, is a moth of the family Tortricidae. It was first described by the English entomologist Adrian Hardy Haworth in 1811.

Apotomis semifasciana
Illustration from John Curtis's British Entomology Volume 6
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Tortricidae
Genus: Apotomis
Species:
A. semifasciana
Binomial name
Apotomis semifasciana
(Haworth, [1811])
Synonyms
  • Tortrix semifasciana Haworth, [1811]
  • Paedisca semifasciana (Haworth, [1811])
  • Tortrix acutana Treitschke, 1835
  • Sericoris elutana Duponchel, in Godart, 1836

Life cycle
Ova

The eggs are laid on willows (Salix species).[1]

Larva

The larva is green; dorsal and subdorsal lines darker; head and plate of 2 yellowish-green. The larvae feed on the catkins and later the leaves of willows in May and June.[2]

Pupa

The blackish brown pupa can be found in a silken cocoon, spun between two leaves of the foodpant in June and July.[2]

Imago

The wingspan is 17–20 mm. The head and thorax are grey. The forewings are grey, closely striated with whitish . The basal patch and a subtriangular central costal blotch are fuscous, black-marked, the apex of blotch truncate, marked with a black dash. The costa posteriorly is fuscous-spotted with a darker black-dotted subterminal mark in middle. The hindwings are grey, darker posteriorly. [3] Julius von Kennel provides a full description. [4]

Adults are on wing from July to August, flying from late evening onwards and coming to light and sugar. . During the day they rest in foliage and are not usually easily disturbed.[2]

Distribution

It is found in most of Europe, from Ireland to Russia.[5]

Notes
  1. ^ The flight season refers to Great Britain and Ireland. This may vary in other parts of the range.

References
  1. Emmet, A M, ed. (1988). A Field Guide To The Smaller British Lepidoptera (Second ed.). London: British Entomological and Natural History Society. p. 173. ISBN 0-9502891-6-7.
  2. Bradley, J D; Tremewan, W G; Smith, Arthur (1979). British Tortricoid Moths. Tortricidae: Olethreutinae. London: The Ray Society. pp. 44–6. ISBN 0-903874-06-7.
  3. Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London pdf Public Domain This article incorporates text from this source, which is in the public domain. Keys and description
  4. Julius von Kennel, 1921, The Palaearktischen Tortriciden, eine monographische Darstellung. Stuttgart: E. Schweizerbart'sche Verlagsbuchhandlung. 742 pp. - Palaearctic Tortricidae, a monograph.pdf at Zobodat 369-370
  5. "Apotomis semifasciana (Haworth, 1811)". PESI portal. Retrieved 27 November 2018.


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