Garden tiger moth

Garden tiger moth

__NOTOC__Taxobox
name = Garden tiger moth


image_width = 204px
image_caption = Resting pose
status = NE
status_system = IUCN3.1
regnum = Animalia
phylum = Arthropoda
classis = Insecta
ordo = Lepidoptera
unranked_familia = Macrolepidoptera
superfamilia = Noctuoidea
familia = Arctiidae
subfamilia = Arctiinae
tribus = Arctiini
genus = "Arctia"
species = "A. caja"
binomial = "Arctia caja"
binomial_authority = (Linnaeus, 1758)

The garden tiger moth ("Arctia caja") is a moth of the Arctiidae family.

It has a wingspan of 45 to 65 millimetres (1¾ to 2½ inches). The design of the wings varies: the front wings are brown with a white pattern (which can however be missing), the back wings orange with a pattern of black dots. The conspicuous patterns serve as a warning to predators, because the moth's body fluids are poisonous. Its effects are not yet fully known, but they contain quantities of choline esters which are neurotoxic by interfering with the acetylcholine receptor. The colours are also ideal for frightening predators such as small birds: the moth normally hides its hindwings under the cryptic forewings when resting. If a threat is perceived, the moth quickly shows its red colour and flies away. In this way, it successfully confuses and warns off the predator.

Distribution

The garden tiger moth is found throughout Europe as far north as Lapland, in Asia, and in North America. In the mountains this species is found up to an elevation of 2,000 metres (6,600 feet). The garden tiger moth loves damp places, which is why it is particularly common in river valleys as well as gardens and parks. The moth is nocturnal and can usually only be seen flying around a source of light. The distinctively coloured, long-haired caterpillar, on the other hand, is seen more frequently. It can grow up to 6 cm (2½ inches) long and plays dead when in danger.You can normally find these moths in June to August, in gardens, park, meadows, grasslands, and scrubby areas.

Development

Eggs are laid starting in July. Large bluish-white clutches of eggs are laid on the lower surfaces of leaves. The caterpillars hatch in August. They spend the winter on the ground in protected places and pupate from June to July of the following year. The moths hatch from July to August.

The caterpillar of the garden tiger moth feeds on various kinds of non-woody plants, as well as bushes and trees. It is especially fond of raspberry, blackberry, viburnum, honeysuckle, erica, and broom. Despite their "furry" appearance they should not be touched with bare hands, as their setae may cause rashes.

On August 28, 2007, the new Biodiversity Action Plan (BAP) [launched in 1997] identified 1,149 species and 65 habitats in the UK that need conservation and greater protection. The updated list include hedgehog, house sparrows, grass snake and the garden tiger moth; otters, bottlenose dolphins and red squirrels remained in need of habitat protection. [ [http://news.bbc.co.uk/2/hi/science/nature/6965681.stm BBC NEWS, Hedgehogs join 'protection' list] ]

References

* (ed.) (1997): "Die Schmetterlinge Baden-Württembergs. Vol.5: Nachtfalter III (Sesiidae, Arctiidae, Noctuidae)". Ulmer Verlag, Stuttgart. ISBN 3-8001-3481-0
* (2005): The role of eyespots as anti-predator mechanisms, principally demonstrated in the Lepidoptera. "Biol. Rev." 80(4): 573–588. doi|10.1017/S1464793105006810 (HTML abstract)

External links

* [http://www.leps.it/indexjs.htm?SpeciesPages/ArctiaCaja.htm Moths and Butterflies of Europe and North Africa]
* [http://www.faunaeur.org/full_results.php?id=298225 Fauna Europaea: Taxonomy]
* [http://www.lepiforum.de/cgi-bin/lepiwiki.pl?Arctia_Caja www.lepiforum.de: Photos and taxonomie] de icon
* [http://www.schmetterling-raupe.de/art/caja.htm www.schmetterling-raupe.de] de icon
* [http://www.faunistik.net/DETINVERT/LEPIDOPTERA/ARCTIIDAE/ARCTIA/arctia.caja.html www.faunistik.net: photos] de icon
* [http://www.insektenbox.de/schmet/brauba.htm www.insektenbox.de] de icon

Notes


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