| 词条 | Urothemis signata |
| 释义 |
| name = Greater crimson glider | image = Greater Crimson Glider Urothemis signata Male by Kadavoor.jpg | image_caption = Male U. s. signata | image2 = Greater Crimson Glider Urothemis signata Female by Kadavoor.jpg | image2_caption = Female U. s. signata | status = LC | status_system = IUCN3.1 | status_ref = [1] | regnum = Animalia | phylum = Arthropoda | classis = Insecta | ordo = Odonata | familia = Libellulidae | genus = Urothemis | species = U. signata | binomial = Urothemis signata | binomial_authority = Rambur, 1842 | synonyms = }}Urothemis signata,[2] the greater crimson glider,[3] is a species of dragonfly in the family Libellulidae. It is widespread in many Asian countries. A number of subspecies are recognized for this species.[3][1] SubspeciesThere are four subspecies are recognized.
Description and habitatIt is a medium sized dargonfly with red eyes. thorax and abdomen. Its wings are transparent with a amber colored spot surrounded by a dark-brown patch in the base of hind-wings. Its abdomen is blood-red, with some black marking on the dorsum of segments 8 and 9. Female is similar to the male; but yellowish in color. The black spots on the dorsum is repeated on segments 3 to 7. Juvenile and sub-adult males also have these marks.[7] This species breeds in ponds and slow flowing rivers, typically in lowland areas. The males often found perch on exposed twigs. This species has managed to colonise urban water bodies and park ponds.[5][6][7][8][9] References1. ^1 {{cite journal | authors =Dow, R.A. | title = Urothemis signata | journal = IUCN Red List of Threatened Species | volume= 2010| page = e.T165562A6063342 | publisher = IUCN | year = 2010| url=http://www.iucnredlist.org/details/full/165562/0|doi=10.2305/IUCN.UK.2010-4.RLTS.T165562A6063342.en | accessdate = 18 February 2017 }} 2. ^{{World Odonata List}} 3. ^Odonata: Catalogue of the Odonata of the World. Tol J. van , 2008-08-01 4. ^{{cite book |last1=K.A. |first1=Subramanian |last2=K.G. |first2=Emiliyamma |last3=R. |first3=Babu |last4=C. |first4=Radhakrishnan |last5=S.S. |first5=Talmale |title=Atlas of Odonata (Insecta) of the Western Ghats, India |date=2018 |publisher=Zoological Survey of India |isbn=9788181714954|pages=397-398}} 5. ^{{cite book|last=Subramanian|first=K. A.|title=Dragonflies and Damselflies of Peninsular India|year=2005|url=http://www.ias.ac.in/initiat/sci_ed/lifescape/odonates-dragonflies.pdf}} 6. ^1 {{cite book|author=C FC Lt. Fraser|author-link=Frederic Charles Fraser|title=The Fauna of British India, including Ceylon and Burma, Odonata Vol. III|publisher=Taylor and Francis|location=Red Lion Court, Fleet Street, London|year=1936|pages=442-444|url=https://archive.org/details/FraserOdonata3/page/n453}} 7. ^{{cite book|author=C FC Lt. Fraser|author-link=Frederic Charles Fraser|title=A Survey of the Odonate (Dragonfly) Fauna of Western India and Descriptions of Thirty New Species|publisher=|year=1924|pages=445|url=http://faunaofindia.nic.in/PDFVolumes/records/026/05/0423-0522.pdf}} 8. ^1 {{cite web|url=http://indiabiodiversity.org/species/show/256203|title=Urothemis signata Rambur, 1842|publisher=India Biodiversity Portal|accessdate=2017-02-18}} 9. ^{{cite web|url=http://www.indianodonata.org/sp/649/Urothemis-signata|title=Urothemis signata Rambur, 1842|publisher=Odonata of India, v. 1.00. Indian Foundation for Butterflies|accessdate=2017-02-18}}
See also
External links{{Wikispecies-inline|Urothemis signata}}{{Commonscat-inline|Urothemis signata}}{{Taxonbar|from=Q2668199}}{{dragonfly-stub}} 2 : Libellulidae|Insects described in 1842 |
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