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Autographa gamma
Autographa gamma


Silver Y
The silver Y (Autographa gamma) is a migrant species of the genus Autographa, in the order butterflies and moths (Lepidoptera), the division Ditrysia (unranked Macrolepidoptera), the superfamily Noctuoidea, the family owlet moths (Noctuidae), and the subfamily Plusiinae. This species is common in Europe and Asia and migrates each year from south to north and back again. The frequency of its occurrence varies.
Silver Y - Autographa gamma
Silver Y - Autographa gamma
Adult Autographa gamma reach wingspans of 35 - 40 mm. Their forewings are grey to dark grey and have a dark marking. In the mid-wing area is a bright marking shaped like a bent "Y". The hindwings are greyish-brown with dark edges. The silver Y has a very long proboscis and can suck nectar out from deep flower calyx. The caterpillars, which are up to 25 mm in length, are light green and have a pattern of fine bright lines on their back.
Silver Y - side face
Silver Y - side face
The silver Y is found almost everywhere, but prefers farmland and gardens. The adult moths eat nectar from thistles, phlox and petunias. The silver Y produces several (overlapping) generations a year. The caterpillars, which feed on clover and various vegetables, overwinter in a kind of cocoon.
Owlet moth - Autographa gamma - Silver Y
Owlet moth - Autographa gamma - Silver Y
Some years, the silver Y appears en masse and can cause great damage to crops. This population increase is due to migration. The silver Y is active from February to December.
Moth-butterfly - Silver Y
Moth-butterfly - Silver Y

Autographa gamma
Common namesSilver Y, Silver Y Moth
German namesGammaeule, Gamma-Eule
Dutch namesGamma-uil, Gamma uil, Pistooltje
Danish namesGammaugle
Finnish namesGammayökkönen
Norwegian namesGammafly
Swedish namesGammafly
French namesGamma
AuthorCarl von Linné (Carl Nilsson Linnæus), 1758
Distribution
Continents:

Eurasia
Europe
North Europe (British Isles (United Kingdom (Great Britain (England (South England (Southwest England (Cornwall, Somerset, Devonshire)), East England (Suffolk, Norfolk, Hertfordshire, Cambridgeshire (Huntingdonshire), Bedfordshire), English Midlands (East Midlands (Leicestershire, Northamptonshire, Nottinghamshire), West Midlands (Staffordshire)), North England (Northwest England (Cheshire), Northeast England (Northumberland), Yorkshire)), Wales (Mid Wales (Montgomeryshire))), Northern Ireland), Ireland), Germany (West Germany (North Rhine-Westphalia)), Scandinavia (Norway (Troms, Vestfold, Aust-Agder, Vest-Agder, Akershus, Buskerud, Nordland, Oslo, Rogaland, Telemark, Hedmark, Hordaland, Møre and Romsdal, Nord-Trøndelag, Oppland, Sogn and Fjordane, Sør-Trøndelag, Østfold), Sweden, Denmark (Faroe Islands)), Fennoscandia (Finland), Baltic region (Baltic States (Estonia, Latvia, Lithuania)), Iceland), West Europe (Austria, France (South France (Corsica, Occitania (Midi-Pyrenees))), Switzerland, Benelux (Belgium (Flanders (Antwerp)), Netherlands, Luxembourg), Liechtenstein), South Europe (Italy (Italy Islands (Sicily, Sardinia), North Italy, South Italy, Central Italy (Lazio (Rome))), Iberian Peninsula (Spain, Portugal, Andorra), San Marino), Central Europe (Hungary, Poland, Czech Republic (Moravia, Bohemia), Slovakia), Southeast Europe (Romania, Yugoslavia (Slovenia, Croatia, Macedonia (Republic of Macedonia), Serbia and Montenegro (Serbia), Bosnia and Herzegovina), Bulgaria, Greece (Aegean Islands (Crete)), Albania, Moldova), East Europe (Ukraine, Belarus), Malta
Asia
Far East (East Asia (China, Japan, Korea (South Korea))), West Asia (Near East (Turkey, Cyprus, Israel, Egypt, Iran, Qatar))
Caucasus
Georgia, Azerbaijan
Russia
America
South America
Brazil
North America
Canada, Greenland
Africa
North Africa
Algeria, Macaronesia (Canary Islands, Azores, Madeira (Savage Islands)), Morocco
East Africa
Ethiopia


Ecozones:

Palaearctic
West Palaearctic
Nearctic
Afrotropical


CountriesAlbania, Algeria, Andorra, Austria, Azerbaijan, Belarus, Belgium, Bosnia and Herzegovina, Brazil, Bulgaria, Canada, China, Croatia, Cyprus, Czech Republic, Denmark, Egypt, Estonia, Ethiopia, Finland, France, Georgia, Germany, Greece, Hungary, Iceland, Iran, Ireland, Israel, Italy, Japan, Latvia, Liechtenstein, Lithuania, Luxembourg, Macedonia, Malta, Moldova, Morocco, Netherlands, Norway, Poland, Portugal, Qatar, Romania, Russia, San Marino, Serbia, Slovakia, Slovenia, South Korea, Spain, Sweden, Switzerland, Turkey, Ukraine, United Kingdom
Links and ReferencesAutographa gamma in afromoths.net
Autographa gamma in faunaeur.org
Autographa gamma in itis.gov
Autographa gamma in leps.it
Autographa gamma in dyntaxa.se
Autographa gamma in Wikipedia (English)

Description of images / photos
Photography with Cameras
Nikon D3x, Nikon D300, Canon 50D
Image editing with Photoshop
1. Autographa gamma
2. Silver Y - Autographa gamma
3. Silver Y - side face
4. Owlet moth - Autographa gamma - Silver Y
5. Moth-butterfly - Silver Y
Quick search: Autographa - Nectar - Generations - Silver - Dark - Moths
Bright - Adult - Moth - Caterpillars - Grey - Owlet - Back - Species
Taxonomy
ClassInsecta
Insects, True insects
SubclassPterygota
Winged insects
InfraclassNeoptera
Wing-folding insects
SuperorderHolometabola
Holometabolous Insects
OrderLepidoptera
Lepidopterans, Butterflies and Moths
SuborderGlossata
InfraorderHeteroneura
SectionCossina
SubsectionBombyces
SuperfamilyNoctuoidea
Moths
FamilyNoctuidae
Owlet Moths, Underwings, Noctuid moths, Dagger moths, Cutworms, Underwing moths, Miller Moths
SubfamilyPlusiinae
Plusiines
TribePlusiini
SubtribePlusiina
GenusAutographa
Speciesgamma
Autographa gamma
Silver Y, Silver Y Moth
AuthorLinnaeus, 1758
Wingspan45 mm
 
Synonyms
Autographa gamma
Autographa gammina
Autographa messmeri
Autographa voelkeri
Phalaena gamma
Phytometra gamma
Phytometra parabractea
Plusia excelsa
Plusia gamma
Plusia gamma gammina
Plusia gammina
Plusia metabractea
 Pictures

Keywords
ABCDEFGHIJKLM
NOPQRSTUVWXYZ
German Flag Gammaeule
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