''Bena bicolorana'', the scarce silver-lines, is a

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

of the family

Nolidae Nolidae is a family of moths with about 1,700 described species worldwide. They are mostly small with dull coloration, the main distinguishing feature being a silk cocoon with a vertical exit slit. The group is sometimes known as tuft moths, aft ...

. The species was first described by

Johann Kaspar Füssli Johann Kaspar Füssli, also written Johann Caspar Fuesslin, or Fuessly (9 March 1743 – 4 May 1786), was a Swiss painter, entomologist and publisher. He was born in Zurich, the son of Johann Caspar Füssli (1706–1782) and Anna Elisabeth Waser. ...

in 1775. It is found in Europe Turkey, Armenia, Asia Minor and Syria.

Technical description and variation

The forewings are bright apple green; the costal edge yellowish white; inner margin narrowly white; inner and outer lines finely yellowish white, oblique, the outer from costa before apex; hindwing white; fringe white in both wings; in subsp. ''conspersa'' subsp. nov. (53 m), from

Amasia Amasia may refer: * Amasya, a city in Northern Turkey ** Amasya Province, which contains the city ** Amasea (titular see), the former Metropolitan Archbishopric with see there, now a Latin Catholic titular see * Amasia, Shirak, a town in Armenia ...

, the ground colour is blue green, densely covered with pale scales; the costal edge and lines white. Larva green, smooth; the 3rd segment with a yellow tipped dorsal hump; subdorsal and spiracular lines yellow; some pale yellow lateral stripes. Warren. W. in 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 The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the opposite wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingsp ...

is 40–50 mm.

Similar species

*'' Pseudoips prasinana''.

Biology

The moth flies in one generation from mid-June to August . The larvae feed on

oak An oak is a hardwood tree or shrub in the genus ''Quercus'' of the beech family. They have spirally arranged leaves, often with lobed edges, and a nut called an acorn, borne within a cup. The genus is widely distributed in the Northern Hemisp ...

Notes

#''The flight season refers to

Belgium Belgium, officially the Kingdom of Belgium, is a country in Northwestern Europe. Situated in a coastal lowland region known as the Low Countries, it is bordered by the Netherlands to the north, Germany to the east, Luxembourg to the southeas ...

and the

Netherlands , Terminology of the Low Countries, informally Holland, is a country in Northwestern Europe, with Caribbean Netherlands, overseas territories in the Caribbean. It is the largest of the four constituent countries of the Kingdom of the Nether ...

. This may vary in other parts of the range.''

References

External links

* *
"10449 ''Bena bicolorana'' (Fuesslin, 1775) - Eichen-Kahneule, Große Kahneule, [Großer Kahnspinner, Eichen-Kahnspinner]"
''Lepiforum e. V.'' Retrieved August 3, 2020.
"Grote groenuil ''Bena bicolorana''"
''De Vlinderstichting''. Chloephorinae Moths of Europe Taxa named by Johann Kaspar Füssli Moths described in 1775 {{Nolidae-stub