Falcaria lacertinaria (Linnaeus, 1758)

Distribution

• Austria, Belgium, Great Britain, Hungary, Germany, Denmark, Greece, Ireland, Italy, Latvia, Lithuania, Luxembourg, Netherlands, Norway, Poland, Portugal, Romania, Slovakia and the Soviet Union - the European part, Finland, France, Czech Republic, Switzerland Sweden, Estonia, Yugoslavia. [1].
• Andorra, Austria, Belarus, Belgium, the British Isles, France, Germany, Greece (mainland), Denmark (mainland), Ireland, Spain (mainland), Italy (mainland), Latvia, Lithuania, Luxembourg, Netherlands, Norway (mainland), the Channel Islands, Poland, Portugal (mainland), Russia, Romania,Northern Ireland, Slovakia, Slovenia, Ukraine, Finland, France (mainland), Czech Republic, Switzerland, Sweden, Estonia. [10].
• Regions of the Russian Federation: the Volga-Don, Gorno-Altaisk, the European North-East, the European North-West, the European Central Black Earth, the European Central European South taiga, Transbaikalia, Western Caucasus, Western Yakutia, Kaliningrad, Kamchatka, Karelian, Kola, Krasnoyarsk, Nizhny-Amur,Nizhneobsky, Prealtay, of Baikal, Pribaikalskiy, Seaside, North Yenisei, Mid-Amur, Mid-Volzhsky, Sredneobskaya, Tuva, South West Siberian, South Ural, South Yakutia. [3].
• The range is almost all of Europe, in the northern part — up to the border of deciduous forests, in the southern part-only in the mountains (at an altitude of up to 1200 m). From Europe, the range in the east reaches through Asia to the Far East. [85].

Imago Habitus and Differences from alike species

• The length of the front wing is from 1.5 to 1.9 cm. It differs from non-redwings in the sickle-shaped shape of the wings, and from the sickle-wings (European) - by the jagged edge of each wing. In addition, there are two transverse parallel stripes on the front wings, the wings themselves are brown, the rear ones are slightly lighter than the front ones. [85].

General info about Imago

• The dry leaf sickle-wing lives in swamps with alder and birch growth, in mixed forests and in water meadows, sometimes in beech forests and along the banks of streams. It flies more often at dusk, although it is also found in the daytime. [85].

Imago lifespan

• May - August [PC93].
• Two generations are common — from the end of April to the beginning of June and from July to the end of August. In the northern part of the range, butterflies appear later and disappear earlier. [85].

General info about Larva

• Entangles a few leaves with a web, which can protect both from rain and from enemy attacks. [85].

Larva food plants / other food objects

• Betula. [28].
• Alder (Alnus), birch (Betula) [PC93].
• Береза и ольха. [85].

Larva lifespan

• Caterpillar: September (first generation), July (second generation). [85].

Pupa

• The pupae of Falcaria lacertinaria are located between the web-bound leaves, together with which they will later fall to the soil, where they will remain to lie and winter. [85].

Overwintering stage

• Pupa overwinters on the soil between the leaves. [85].

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Falcaria bilineata (Packard, 1864)