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North American Ecology (US and Canada) ( englanti )

tarjonnut North American Butterfly Knowledge Network
Speyeria edwardsii is resident to north-central United States, north to southern Alberta and Manitoba (Scott 1986). Habitats are chaparral, forest openings prairie. Host plants are herbaceous, and restricted to a couple species in genus Viola. Eggs are haphazardly laid near the host plant, singly. Individuals overwinter as unfed first instar larvae. There is one flight each year with the approximate flight time late June-Sept 15 (Scott 1986).
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Conservation Status

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Uncommon to rare, with a restricted range and requiring relatively large tracts of habitat.
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Cyclicity

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One flight per year, peaking in mid June to late July, slightly later in the foothills.
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Distribution

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Restricted to the Great Plains, occuring from southern Alberta and Saskatchewan south to New Mexico (Scott 1986). May be extirpated in Manitoba, with the last records from 1934 (Layberry et al. 1998).
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General Description

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This is one of the larger fritillaries, and one of four species that usually have a greenish underside (egleis, mormonia and callippe are the others). Edwardsii is much larger than mormonia, with a pointier forewing, and is darker brown-green below with smaller upperside black marks compared to callippe. It is slightly larger with a lighter upperside compared to egleis.
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Habitat

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Foothills and prairie grasslands.
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Life Cycle

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"No life history information is available from Alberta. The eggs are yellow-green when laid, turning tan-coloured. Laid singly on or near the host plant. Larvae hatch and overwinter, with feeding beginning the following spring. Mature larvae are spiny and dark yellow dorsally with a black dorsal line and greyish sides (Scott 1986). Edwards' Fritillary apparently needs large tracts of native grassland, as it has disappeared from Manitoba altogether, and is absent from apparently suitable grasslands of smaller size in Saskatchewan (Layberry et al. 1998)."
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Trophic Strategy

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The larval hosts are unknown in Alberta; recorded on Viola nuttalli elsewhere (Layberry et al. 1998).
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Speyeria edwardsii ( englanti )

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Speyeria edwardsii, the Edwards' fritillary, is a butterfly of the family Nymphalidae of North America. It is common from Alberta west to Manitoba and south as far as northern New Mexico.[1][2]

This butterfly is mostly orange coloured with distinct dark-brown bars on the topside. The wing margins are dark with lighter circles then darker crescents. Silvery spots predominate on the yellowish underside.[3]

Wingspan ranges from 60–86 mm (2.4–3.4 in).[3]

Larva feeds on Viola nuttallii.[4]

Similar species

References

  1. ^ a b Edwards' Fritillary, Butterflies and moths of North America
  2. ^ Jim P. Brock and K. Kaufman. Kaufman Field Guide to Butterflies of North America, New York, NY:Houghton Mifflin, 2003.
  3. ^ a b Edwards' Fritillary, Butterflies of Canada
  4. ^ "Speyeria Scudder, 1872" at Markku Savela's Lepidoptera and Some Other Life Forms
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Speyeria edwardsii: Brief Summary ( englanti )

tarjonnut wikipedia EN

Speyeria edwardsii, the Edwards' fritillary, is a butterfly of the family Nymphalidae of North America. It is common from Alberta west to Manitoba and south as far as northern New Mexico.

This butterfly is mostly orange coloured with distinct dark-brown bars on the topside. The wing margins are dark with lighter circles then darker crescents. Silvery spots predominate on the yellowish underside.

Wingspan ranges from 60–86 mm (2.4–3.4 in).

Larva feeds on Viola nuttallii.

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Speyeria edwardsii ( ranska )

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Speyeria edwardsii est une espèce nord-américaine de lépidoptères de la famille des Nymphalidae et de la sous-famille des Heliconiinae.

Dénomination

Speyeria edwardsii a été nommé par Tryon Reakirt en 1866.

Synonymes : Argynnis edwardsii Reakirt, 1866[1].

Noms vernaculaires

Speyeria edwardsii se nomme Edward's Fritillary en anglais.

Description

C'est un papillon orange orné de noir, l'un des plus grands des Speyeria avec une envergure de 63 à 86 mm avec le bord de l'aile antérieure qui est concave. Le dessus est orange finement orné de marron, une bordure, une ligne submarginale de chevrons puis une ligne de taches dans de grands damiers orange, puis divers dessins.

Le revers des antérieures est plus clair avec la même ornementation, alors que les ailes postérieures sont de couleur verte ou gris-vert ornées de lignes de taches ovales argentées ou blanches et d'une ligne submarginale de marques blanches[2],[3].

Chenille

La chenille est jaune ornée de lignes, noire sur le dessus, vertes sur les flancs[4].

Biologie

Période de vol et hivernation

Il vole en une génération de juin à début septembre[5].

Ce sont les chenilles au premier stade qui hivernent[5].

Plantes hôtes

Les plantes hôtes de ses chenilles sont des Viola dont Viola nuttallii et Viola adunca[1],[2].

Écologie et distribution

Il est présent dans le centre de l'Amérique du Nord, au Canada dans l'Alberta, aux États-Unis dans le Montana, le Wyoming, le Dakota du Nord et le Dakota du Sud, l'Utah et le Colorado[1],[2].

Son aire de résidence au Canada a beaucoup régressé, ainsi il n'a pas été observé au Minabota depuis 1934[3].

Biotope

Il réside dans les champs et au bord des routes[2].

Protection

Pas de statut de protection particulier[2].

Notes et références

Annexes

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Speyeria edwardsii: Brief Summary ( ranska )

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Speyeria edwardsii est une espèce nord-américaine de lépidoptères de la famille des Nymphalidae et de la sous-famille des Heliconiinae.

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Speyeria edwardsii ( flaami )

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Insecten

Speyeria edwardsii is een vlinder uit de familie van de Nymphalidae.[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1866 door Tryon Reakirt.

Bronnen, noten en/of referenties
Geplaatst op:
01-04-2013
Dit artikel is een beginnetje over biologie. U wordt uitgenodigd om op bewerken te klikken om uw kennis aan dit artikel toe te voegen. Beginnetje
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Speyeria edwardsii ( vietnam )

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Speyeria edwardsii là một loài bướm ngày thuộc họ Nymphalidae of North America. It is common from Alberta phía tây đến Manitoba và phía nam as far as miền bắc New Mexico.[1][2]

Wingspan ranges from 60–86 mm (2,4–3,4 in).[3] 

Larva feed on Viola nuttallii.[4]

Similar Species

Chú thích

  1. ^ Edwards' Fritillary, Butterflies và moths of North America
  2. ^ Jim P. Brock và K. Kaufman. Kaufman Field Guide to Butterflies of North America, New York, NY:Houghton Mifflin, 2003.
  3. ^ Edwards' Fritillary, Butterflies of Canada
  4. ^ Speyeria, funet.fi

Tham khảo


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Speyeria edwardsii: Brief Summary ( vietnam )

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Speyeria edwardsii là một loài bướm ngày thuộc họ Nymphalidae of North America. It is common from Alberta phía tây đến Manitoba và phía nam as far as miền bắc New Mexico.

Wingspan ranges from 60–86 mm (2,4–3,4 in).

Larva feed on Viola nuttallii.

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