Conservation Status
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A common, widespread species; no concerns.
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Cyclicity
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Adults are on the wing in Alberta from early May through mid September.
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Distribution
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Found throughout most of the USA and Canada; in Canada from the maritimes west to BC and north to James Bay and Yukon. Throughout most of Alberta, from the Milk River to the Caribou Mountains.
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General Description
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"A medium-size (3-3.2 cm wingspan) brownish grey (male) or brown (female) moth active both during the day and night. The forewing of the male is crossed by two the antemedian one running obliquely to the lower wing margin and touching or almost touching the vertical postmedian band near the lower margin. Crassiuscula is smaller (particularly the small spring brood specimens formerly treated as sp. distincta) and less "crisply" marked than the similar C. erechtea. The female is brown, is a bit larger and has more diffuse marking than does the male.
Some larger male specimens may be very difficult to separate from C. erechtea, but these can be identified by checking the genitalia, which differ greatly in the two species."
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Habitat
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Roadsides, old fields, pastures, meadows and other open grassy areas.
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Life Cycle
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This moth is somewhat unusual in that it is active both during the day and at night. There are two or more broods per year, with an early brood of smaller adults appearing in May.
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Trophic Strategy
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No Alberta data. Elsewhere the larvae are reported to eat grasses (Gramineae) (Rockburne and Lafontaine, 1976), clover (Trifolium), lupines (Lupinus) , and grasses (Covell, 1984).
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Gwyfyn dwyres
(
gallois
)
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Gwyfyn sy'n perthyn i urdd y Lepidoptera yw gwyfyn dwyres, sy'n enw gwrywaidd; yr enw lluosog ydy gwyfynod dwyres; yr enwau Saesneg yw Double-barred, Clover looper neu Range Grass Moth, a'r enw gwyddonol yw Caenurgina crassiuscula.[1][2]
Mae'r gwyfyn hwn i'w weld yn yr Unol Daleithiau, a rhai rhannau o Alaska a Chanada. Mae lled yr adenydd rhwng 30–40 mm ac fe welir y gwyfyn ar adain rhwng Mawrth a Thachwedd.
Bwyd
Hoff fwyd y siani flewog ydy meillion, gweiriau a bysedd-y-blaidd (lupinus).
Cyffredinol
Gellir dosbarthu'r pryfaid (neu'r Insecta) sy'n perthyn i'r Urdd a elwir yn Lepidoptera yn ddwy ran: y gloynnod byw a'r gwyfynod. Mae'r dosbarthiad hwn yn cynnyws mwy na 180,000 o rywogaethau mewn tua 128 o deuluoedd.
Wedi deor o'i ŵy mae'r gwyfyn dwyres yn lindysyn sy'n bwyta llawer o ddail, ac wedyn mae'n troi i fod yn chwiler. Daw allan o'r chwiler ar ôl rhai wythnosau. Mae pedwar cyfnod yng nghylchred bywyd glöynnod byw a gwyfynod: ŵy, lindysyn, chwiler ac oedolyn.
Gweler hefyd
Cyfeiriadau
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Gwyfyn dwyres: Brief Summary
(
gallois
)
fourni par wikipedia CY
Gwyfyn sy'n perthyn i urdd y Lepidoptera yw gwyfyn dwyres, sy'n enw gwrywaidd; yr enw lluosog ydy gwyfynod dwyres; yr enwau Saesneg yw Double-barred, Clover looper neu Range Grass Moth, a'r enw gwyddonol yw Caenurgina crassiuscula.
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Ottawa,
Ontario Mae'r gwyfyn hwn i'w weld yn yr Unol Daleithiau, a rhai rhannau o Alaska a Chanada. Mae lled yr adenydd rhwng 30–40 mm ac fe welir y gwyfyn ar adain rhwng Mawrth a Thachwedd.
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Caenurgina crassiuscula
(
anglais
)
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Caenurgina crassiuscula, the clover looper or range grass moth, is a moth of the family Erebidae. The species was first described by Adrian Hardy Haworth in 1809.[1] It is found from coast to coast in the United States and adjacent parts of Canada, in the west to the Northwest Territories, Yukon, and Alaska.
The wingspan is 30–40 mm. Adults are on wing from March to November depending on the location.
The larvae feed on various species of clover, grass, and lupine.
References
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Caenurgina crassiuscula: Brief Summary
(
anglais
)
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Ottawa,
Ontario 
Museum Specimens
Caenurgina crassiuscula, the clover looper or range grass moth, is a moth of the family Erebidae. The species was first described by Adrian Hardy Haworth in 1809. It is found from coast to coast in the United States and adjacent parts of Canada, in the west to the Northwest Territories, Yukon, and Alaska.
Illustration
The wingspan is 30–40 mm. Adults are on wing from March to November depending on the location.
The larvae feed on various species of clover, grass, and lupine.
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Caenurgina crassiuscula
(
néerlandais ; flamand
)
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Insecten Caenurgina crassiuscula is een vlinder uit de familie van de spinneruilen (Erebidae).[1] De wetenschappelijke naam van de soort is voor het eerst geldig gepubliceerd in 1809 door Haworth.
Bronnen, noten en/of referenties Geplaatst op:
12-04-2013
Dit artikel is een beginnetje over biologie. U wordt uitgenodigd om op bewerken te klikken om uw kennis aan dit artikel toe te voegen.
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Caenurgina crassiuscula
(
vietnamien
)
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Caenurgina crassiuscula là một loài bướm đêm trong họ Erebidae.[1][2]
Hình ảnh
Chú thích
-
^ Bisby F.A., Roskov Y.R., Orrell T.M., Nicolson D., Paglinawan L.E., Bailly N., Kirk P.M., Bourgoin T., Baillargeon G., Ouvrard D. (red.) (2011). “Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist.”. Species 2000: Reading, UK. Truy cập ngày 28 tháng 6 năm 2014.
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^ Beccaloni, G. W., Scoble, M. J., Robinson, G. S. & Pitkin, B. (Editors). (2003) The Global Lepidoptera Names Index (LepIndex). (Geraadpleegd maart 2013).
Liên kết ngoài
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Caenurgina crassiuscula: Brief Summary
(
vietnamien
)
fourni par wikipedia VI
Caenurgina crassiuscula là một loài bướm đêm trong họ Erebidae.
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- Wikipedia tác giả và biên tập viên
Ottawa, Ontario 
Museum Specimens 
Illustration 
Bài viết liên quan đến phân họ bướm Erebinae này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn. 
