| 词条 | Euploea sylvester | |||
| 释义 |
| name = Double-branded crow | image = Butterflies of Kerala - Euploea sylvester (Double Branded Crow) (2016.07.03).jpg | image_caption = | taxon = Euploea sylvester | authority = (Fabricius, 1793) | synonyms =
}}Euploea sylvester, the double-branded crow,[3] also known as the two-brand crow[1] in Australia, is a butterfly found in South Asia,[1] Southeast Asia and parts of Australia that belongs to the crows and tigers, that is, the danaid group of the brush-footed butterflies family.[2] Several races of the butterfly are recognized. Race pelor is found in Australia.[3] SubspeciesThe subspecies of Euploea sylvester are-[2][1]
DescriptionIn shape, colour, and markings, it very closely resembles Euploea core. Males, however, can be distinguished at once by the presence of two brands instead of a single one on the forewing. Of the females Lionel de Nicéville says, females of E. coreta can be separated from the females of E. core by the following points: "First by the outline of the forewing being more entire; in core it is slightly but perceptibly scalloped- Second, by the underside of the forewing having a complete series of six spots, one between each pair of nervules outside the cell; in core two of these spots, those above the discoidal nervules (veins 5 and 6), are always wanting. Third, the two brands on the interno-median area (interspace 1) of the forewing in the male are faintly but quite perceptibly to be traced in the female in the same position."[4][5] Larval food plantsThe double-banded crow feeds on plants of the families Apocynaceae (dogbanes and oleanders), Asclepiadaceae (milkweeds) and Moraceae (figs) and the specific species are Ficus obliqua, Ficus microcarpa, Ficus racemosa, Gymnema sylvestre and Ichnocarpus frutescens [6] GallerySee also
References1. ^1 2 {{Cite book|url=https://www.researchgate.net/publication/287980260_A_Synoptic_Catalogue_of_the_Butterflies_of_India|title=A Synoptic Catalogue of the Butterflies of India |last=Varshney |first=R.K. |last2=Smetacek|first2=Peter|publisher=Butterfly Research Centre, Bhimtal & Indinov Publishing, New Delhi|year=2015|isbn=978-81-929826-4-9|location=New Delhi|pages=152|doi=10.13140/RG.2.1.3966.2164}} 2. ^1 2 3 4 {{cite web |last=Savela |first=Markku |url=http://www.nic.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/papilionoidea/nymphalidae/danainae/euploea/#sylvester |title=Euploea sylvester (Fabricius, 1793) |website=Lepidoptera and Some Other Life Forms |accessdate=July 1, 2018}} 3. ^Meyer, C.E. (1997) Notes on the life history and variation in adult forms of Euploea sylvester pelor Doubleday (Lepidoptera: Nymphalidae: Danainae), The Australian Entomologist. 24(2):73-77. 4. ^{{citation-attribution|{{Cite book|url=https://archive.org/stream/butterfliesvolii00bing#page/28/mode/2up/ |title=Fauna of British India. Butterflies Vol. 2|last=Bingham|first=Charles Thomas|authorlink=Charles Thomas Bingham|publisher=Taylor & Francis|year=1907|isbn=|location=|pages=29-11}}|}} 5. ^{{citation-attribution|{{Cite book|url=https://www.biodiversitylibrary.org/item/103554#page/152/mode/1up|title=Lepidoptera Indica. Vol. I|last=Moore|first=Frederic|authorlink=Frederic Moore|publisher=Lovell Reeve and Co.|year=1890-1892|isbn=|location=London|pages=134}}|}} 6. ^HOSTS - a Database of the World's Lepidopteran Hostplants (http://www.nhm.ac.uk/research-curation/projects/hostplants/) accessed on September 12, 2007. External links{{Commons category|Euploea sylvester}}
4 : Euploea|Butterflies of India|Butterflies of Indochina|Butterflies described in 1793 |
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