| 词条 | Brachythemis contaminata |
| 释义 |
| name = Ditch jewel | image = Brachythemis contaminata 02315.jpg | image_caption = Male | image2 = Brachythemis contaminata female 27052014 (2).jpg |image2_caption = Female | status = LC | status_system = IUCN3.1 | status_ref = [1] | regnum = Animalia | phylum = Arthropoda | classis = Insecta | ordo = Odonata | familia = Libellulidae | genus = Brachythemis | species = B. contaminata | binomial = Brachythemis contaminata | binomial_authority = (Fabricius, 1793) | synonyms = * Libellula truncatula Rambur, 1842 }}Brachythemis contaminata,[2] ditch jewel,[3][4] is a species of dragonfly in the family Libellulidae. It is found in many Asian countries.[3][1][4] Description and habitatIt is a small dragonfly with brown-capped yellowish-green eyes. Its thorax is olivaceous-brown, marked with a reddish-brown humeral stripe and two brownish stripes on each side. Wings are transparent; but with a broad bright orange fascia extending from base to within 2 to 3 cells of reddish pterostigma. Abdomen is ochreous-red, marked with dorsal and sub-dorsal brown stripes. Anal appendages are in reddish-brown. Female is similar to the male; but in pale yellowish-green color. Wings are transparent, tinted with yellow at extreme base;, but the bright orange fascia seen in the male absent.[8] It breeds in weedy ponds, lakes, and slowly moving streams; especially in sluggish waters. It is very common along sewage canals, tanks, ponds and ditches.[5][6][7][8][9] See also
References1. ^1 {{cite journal | authors = Sharma, G. | title = Brachythemis contaminata | journal = IUCN Red List of Threatened Species | volume= 2010| page = e.T167368A6335347| publisher = IUCN | year = 2010| url=http://www.iucnredlist.org/details/full/167368/0| accessdate =2017-03-17}} 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=310-311}} 5. ^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=365-366|url=https://archive.org/details/FraserOdonata3/page/n375}} 6. ^{{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=438|url=http://faunaofindia.nic.in/PDFVolumes/records/026/05/0423-0522.pdf}} 7. ^{{cite book|last=Subramanian|first=K. A.|title=Dragonflies and Damselflies of Peninsular India - A Field Guide|year=2005|url=http://www.ias.ac.in/Publications/Overview/Dragonflies}} 8. ^1 {{cite web|url=http://indiabiodiversity.org/species/show/234370|title=Brachythemis contaminata Fabricius, 1793|publisher=India Biodiversity Portal|accessdate=2017-03-17}} 9. ^1 {{cite web|url=http://www.indianodonata.org/sp/578/Brachythemis-contaminata|title=Brachythemis contaminata Fabricius, 1793|publisher=Odonata of India, v. 1.00. Indian Foundation for Butterflies|accessdate=2017-03-17}}
External links{{Wikispecies-inline|Brachythemis contaminata}}{{Commonscat-inline|Brachythemis contaminata}}{{Taxonbar|from=Q2567986}}{{dragonfly-stub}} 2 : Libellulidae|Insects described in 1793 |
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