Contents 1 Distribution and status 2 Habitat 3 Description 4 Lifecycle 4.1 Egg 4.2 Caterpillar 4.3 Pupa 4.4 Imago 5 Host plants 6 Gallery 7 Illustrations 8 References 9 External links

Distribution and status[edit] O. antiqua is native to Europe, but now has a transcontinental distribution in the Palaearctic and the Nearctic regions.[2] The species is not on the IUCN (2007) Red List;[3] and in the UK is considered a common resident.[4]

Habitat[edit] In the UK, O. antiqua may be encountered in a variety of shrub-based habitats, including gardens, parks, open woodland, fens, hedgerows, heaths. and moors.[4]

Description[edit] For a key to the terms used, see Glossary of entomology terms. A striking dimorphism exists between the male and the female moths of this species. The male moth typically has orange- to red-brown (ochreous red and dark brown) wings; each fore wing has a white comma-shaped (tornal) spot. He has marked plumose (short, bipectinate) antennae. The wingspan measures between 35 and 38 mm. The female moth has vestigial wings and is flightless; she is light grey-brown (ochreous grey), has "shortly bipectinate" antennae, and a swollen abdomen.[5][4] The hairy caterpillar is spectacular, with "humps", "horns", and a "tail" in a combination of dark grey, red, and yellow. Sexual dimorphism The female is flightless and spends her brief adult life clinging to her cocoon O. antiqua caterpillar showing the four clumps of yellow tussock hairs on its back

Lifecycle[edit] Egg[edit] Several hundred eggs are laid on the outside of the female's empty cocoon, usually attached to a host plant or something close by (e.g. fence, wall).[4] The species overwinters in the egg stage. Each brownish egg is rounded, somewhat flattened top and bottom. A small darker depression is seen in the upperside.[5] Illustration from John Curtis's British Entomology Caterpillar[edit] The larvae hatch early in the spring, as soon as foliage starts to appear.[5] They are easily recognized by their horn-like tufts of hair-like setae. Four toothbrush-like tufts occur along the back, and hair pencils project from the sides at the front and at the back. The body is dark grey to black, and red tubercules are along the sides and back. They have defensive glands at the back, and wipe their setae against them to charge them with toxins.[6] They grow to about 30–40 mm, females being considerably larger than males.[5] In the UK, caterpillars can be found between May and early September.[4] The caterpillar is a minor forest pest in North America,[2] and may become a pest in cities in the UK.[7][5] Pupa[edit] The pupa forms in a crevice (e.g. in tree bark or fence) inside a silk cocoon. It is glossy black and hairy.[5] Imago[edit] The male flies in a zigzag pattern—often high up in search of females—and is active during the day or at night. Males occasionally come to light.[4] In New Brunswick, adult males are attracted to pheromone traps set in commercial forests for white-marked tussock moth (O. leucostigma).[2] The female is flightless, spending her brief life attached to her cocoon. The female attracts other males via release of a pheromone, the males find the female via the concentration gradient of the released pheromeone. The female mates and lays her grey-yellow eggs in large numbers on her fine-meshed cocoon. The adult moths do not feed, so only live a short time. The two (sometimes three) generations fly from May till October; in North America, only one generation occurs in a year.[6] In the UK, one protracted generation, from July to October in the south, and from September to October in the north, is believed to happen.[5][4] The males are diurnal, flying during the day, but are occasionally attracted to light.[5]

Host plants[edit] Caterpillars are polyphagous and feed on a wide range of deciduous trees and shrubs, such as birch (Betula), Crataegus, lime (Citrus), Prunus, Quercus, Rubus, Salix, Tamarix, and Vaccinium.[7][6] In Scotland, the species is almost always found on birch.[5]

Gallery[edit] Rear view of "calling" female Mating The female lays her eggs on the remains of her own cocoon Egg-mass on empty cocoon on pine species Eggs (close up) Young larvae O. antiqua larva on rose leaf O. antiqua (male)

Illustrations[edit] Illustrated adult male Illustrated adult female Illustrated caterpillar

References[edit] ^ Explanation of name "vapourer" ^ a b c Carter, Nelson E. (2004). Status of forest pests in New Brunswick in 2003. Department of Natural Resources, Fredericton, New Brunswick, pp. 7–8. (Available at [1]).  External link in |publisher= (help) ^ IUCN (2007), 2007 IUCN Red List of Threatened Species, <>. Downloaded on 1 January 2008.  ^ a b c d e f g Waring, Paul; Townsend, Martin; Lewington, Richard (2003). Field Guide to the Moths of Great Britain and Ireland. British Wildlife Publishing, Hook, UK, p. 208.  ^ a b c d e f g h i de Worms, C.G.M. (1979). Lymantriidae. In Heath, J., Emmet, A.M., et al. (Eds.) The Moths and Butterflies of Great Britain and Ireland Vol. 9 Sphingidae–Noctuidae Noctuinae and Hadeninae. Curwen Books, London, UK, p. 70.  ^ a b c Wagner, D.M. (2005). Caterpillars of eastern North America. Princeton University Press.  ^ a b Porter, Jim (1997). The Colour Identification Guide to Caterpillars of the British Isles. Viking, London, p. 80. 

External links[edit] Wikimedia Commons has media related to Orgyia antiqua. The Vapourer on UKMoths Fauna Europaea JustGreen Bug of the Month (PDF) Good plant protection practice (PDF) Taxon identifiers Wd: Q25647 BAMONA: Orgyia-antiqua BugGuide: 28152 EoL: 504948 Fauna Europaea: 447075 GBIF: 1819873 iNaturalist: 61910 ITIS: 939668 LepIndex: 51825.0 NCBI: 335469 Retrieved from "" Categories: LymantriinaeMoths described in 1758Moths of EuropeMoths of CanadaInsects of EuropeInsects of TurkeyInsects of IcelandTaxa named by Carl LinnaeusHidden categories: CS1 errors: external linksUse dmy dates from August 2013Articles with 'species' microformats

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Orgyia_antiqua - Photos and All Basic Informations

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Taxonomy (biology)EAnimalArthropodInsectLepidopteraNoctuoideaErebidaeOrgyiaBinomial NomenclatureCarl Linnaeus10th Edition Of Systema NaturaeSynonym (taxonomy)MothErebidaeIUCNRed ListUKShrublandGardenParkWoodlandFenHedge (barrier)Heath (habitat)MoorlandGlossary Of Entomology TermsSexual DimorphismAntenna (biology)VestigialSexual DimorphismEdit Section: LifecycleEnlargeJohn Curtis (entomologist)British EntomologyHorn (anatomy)SetaeToothbrushHair PencilTuberculesPupaNew BrunswickPheromoneWhite-marked Tussock MothPupaUKDiurnalityPolyphagousDeciduousTreeShrubBetulaCrataegusLime (fruit)PrunusQuercusRubusSalixTamarixVacciniumScotlandEdit Section: IllustrationsEdit Section: ReferencesHelp:CS1 ErrorsHelp:Taxon IdentifiersWikidataBugGuideEncyclopedia Of LifeFauna EuropaeaGlobal Biodiversity Information FacilityINaturalistIntegrated Taxonomic Information SystemThe Global Lepidoptera Names IndexNational Center For Biotechnology InformationHelp:CategoryCategory:LymantriinaeCategory:Moths Described In 1758Category:Moths Of EuropeCategory:Moths Of CanadaCategory:Insects Of EuropeCategory:Insects Of TurkeyCategory:Insects Of IcelandCategory:Taxa Named By Carl LinnaeusCategory:CS1 Errors: External LinksCategory:Use Dmy Dates From August 2013Category:Articles With 'species' MicroformatsDiscussion About Edits From This IP Address [n]A List Of Edits Made From This IP Address [y]View The Content Page [c]Discussion About The Content Page [t]Edit This Page [e]Visit The Main Page [z]Guides To Browsing WikipediaFeatured Content – The Best Of WikipediaFind Background Information On Current EventsLoad A Random Article [x]Guidance On How To Use And Edit WikipediaFind Out About WikipediaAbout The Project, What You Can Do, Where To Find ThingsA List Of Recent Changes In The Wiki [r]List Of All English Wikipedia Pages Containing Links To This Page [j]Recent Changes In Pages Linked From This Page [k]Upload Files [u]A List Of All Special Pages [q]Wikipedia:AboutWikipedia:General Disclaimer

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