Black Line Herb Owl

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Black Line Herb Owl
Light brown color variant of the herbal owl (Lacanobia thalassina)

Light brown color variant of the herbal owl ( Lacanobia thalassina )

Systematics
Class : Insects (Insecta)
Order : Butterflies (Lepidoptera)
Family : Owl butterfly (Noctuidae)
Subfamily : Hadeninae
Genre : Lacanobia
Type : Black Line Herb Owl
Scientific name
Lacanobia thalassina
( Hufnagel , 1766)
Violet brown color variant

The black-line herb owl ( Lacanobia thalassina ), sometimes also referred to as the bilberry forest leaf owl , is a butterfly ( moth ) from the owl butterfly family (Noctuidae).

features

butterfly

The wingspan of the moth is 32 to 38 millimeters. The butterflies are very variable in terms of color and drawing. The color of the upper side of the forewing ranges from ocher to gray, red-brown and purple-brown to black-brown. Kidney , ring and cone blemishes are large and usually filled with light brown to light gray. A black root welt is clearly visible. The discoidal region is heavily darkened between the cell and the inner edge . The big W sign of the wavy line ends just before the fringes. The upper side of the hind wing is colored gray-brown without drawing. The dark veins protrude a little. There is a dark discoid spot on the underside of the hind wing .

Pre-imaginal stages

The spherical egg is strongly flattened at the base and covered with strong, slightly wavy ribs. It is pink to gray-yellow in color.

The color of the adult caterpillars varies from greenish or yellowish to light gray. They have a dark brown to red-brown angle pattern on the sides. The dark back line is sometimes broken up into spots. The side stripe is light gray-brown. The spiracles are outlined in white and black.

The red-brown pupa has a conical, hollowed-out cremaster , which is provided with very short lateral and two long terminal spines.

Similar species

With the variable herb owl ( Lacanobia suasa ) and the gray field herb owl ( Lacanobia w-latinum ), the W-sign of the wavy line extends to the fringes.

distribution and habitat

The species is widespread in Europe and is also found in the British Isles . To the east the occurrence extends to the Altai , to the south to the Black Sea . In the mountains it rises to an altitude of around 1600 meters. The black-line herb owl occurs in very different habitats and can be found in forest, meadow, heather and moor areas as well as in urban gardens and parks.

Way of life

The nocturnal moths form two generations a year, which can be found primarily from late April to early July and occasionally from late July to mid-October. They sometimes suck on the blossoms of butterfly lilacs ( Buddleja davidii ), appear on artificial light sources and also like bait . The caterpillars feed polyphagously on the leaves of a large number of different lower plants, shrubs, bushes or young woody plants, for example blueberries ( Vaccinium myrtillus ), blackberries ( Rubus ), broom ( Cytisus scoparius ) as well as birch ( Betula ) and oak species ( Quercus) ). The species overwinters as a pupa.

Danger

The black-line herb owl is widespread in Germany and can be found in large numbers in certain areas, so that it is not considered endangered.

Individual evidence

  1. ↑ Arno Bergmann: The large butterflies of Central Germany. Volume 4/1: Owls, distribution, forms and communities. , Urania-Verlag, Jena 1954, pp. 269-275
  2. ^ Hermann Hacker, László Ronkay & Márton Hreblay: Noctuidae Europaeae, Volume 4, Hadeninae I , Entomological Press, Søro 2002, ISBN 87-89430-07-7 , pp. 61/62
  3. ^ A b Walter Forster, Theodor A. Wohlfahrt: The butterflies of Central Europe, Volume 4, Owls (Noctuidae). , Franckh'sche Verlagshandlung, Stuttgart 1971, ISBN 3-440-03752-5 , p. 74
  4. ↑ Pale-shouldered Brocade at UKmoths
  5. ↑ Markku Savela: distribution. In: Lepidoptera and some other life forms. Retrieved October 26, 2019 .
  6. ↑ Günter Ebert (Ed.): The Butterflies of Baden-Württemberg, Volume 7, Nachtfalter V , Ulmer Verlag Stuttgart 1998, ISBN 3-8001-3500-0 , pp. 173-175
  7. ↑ Manfred Koch: We identify butterflies. Volume 3: Owls. 2nd, expanded edition. Neumann, Leipzig / Radebeul, 1972, pp. 88/89

literature

  • Günter Ebert (Ed.): The Butterflies of Baden-Württemberg, Volume 7, Nachtfalter V , Ulmer Verlag Stuttgart 1998, ISBN 3-8001-3500-0
  • Hermann Hacker, László Ronkay & Márton Hreblay: Noctuidae Europaeae Volume 4, Hadeninae I , Entomological Press, Søro 2002, ISBN 87-89430-07-7
  • Walter Forster , Theodor A. Wohlfahrt : The butterflies of Central Europe, Volume 4, Owls (Noctuidae). , Franckh'sche Verlagshandlung, Stuttgart 1971, ISBN 3-440-03752-5 .

Web links

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