https://indianpedia.org/index.php?action=history&feed=atom&title=Aciagrion_approximansAciagrion approximans - Revision history2026-08-02T20:10:39ZRevision history for this page on the wikiMediaWiki 1.45.4https://indianpedia.org/index.php?title=Aciagrion_approximans&diff=179871&oldid=prev>ShortDescBot at 08:18, 16 March 20212021-03-16T08:18:50Z<p></p>
<p><b>New page</b></p><div>{{Short description|Species of damselfly}}<br />
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{{Speciesbox<br />
| name = ''Aciagrion approximans''<br />
| image = Aciagrion approximans by Karen Conniff.jpg<br />
| image_caption = ''A. a. approximans''<br />
| image2 = Aciagrion approximans krishna male (14).jpg<br />
| image2_caption = ''A. a. krishna''<br />
| status = LC| status_system = IUCN3.1<br />
| status_ref = <ref name=iucn>{{cite iucn | author =Sharma, G. | title = ''Aciagrion approximans'' | volume= 2010| page = e.T167347A6332229| year = 2010| doi=10.2305/IUCN.UK.2010-4.RLTS.T167347A6332229.en }}</ref><br />
| taxon = Aciagrion approximans<br />
| authority = ([[Edmond de Sélys Longchamps|Selys]], 1876)<br />
| synonyms = <br />
*''Pseudagrion approximans'' {{small|Selys, 1876}}<br />
*''Aciagrion tillyardi'' {{small|Laidlaw, 1919}}<br />
*''Enallagma assamica'' {{small|Fraser, 1919}}<br />
*''Aciagrion krishna'' {{small|Fraser, 1921}}<br />
}}<br />
'''''Aciagrion approximans''''',<ref name=wol>{{World Odonata List}}</ref> '''Indian violet dartlet''',<ref name=ifb/> is a species of [[damselfly]] in the family [[Coenagrionidae]]. It is found in [[Northeast India|east]]<ref name=iucn/><ref name=joshy/> and [[Western Ghats|south]]<ref name=Fraser/><ref name=ifb/><ref name=joshy/> of [[India]]. The range extends to [[Thailand]], [[China]] and [[Cambodia]].<ref name=Fraser>{{cite book|author=C FC Lt. Fraser|author-link=Frederic Charles Fraser|title=The Fauna of British India, including Ceylon and Burma, Odonata Vol. I|publisher=Taylor and Francis|location=Red Lion Court, Fleet Street, London|year=1933|pages=[https://archive.org/details/FraserOdonata1/page/n353 340]–342|url=https://archive.org/details/FraserOdonata1}}</ref><ref name=ifb>{{cite web<br />
|url=http://www.indianodonata.org/sp/339/Aciagrion-approximans|title=Aciagrion approximans Selys, 1876 – Indian Violet Dartlet|publisher=Odonata of India, v. 1.00. Indian Foundation for Butterflies|accessdate=2017-02-25}}</ref><ref name=joshy>{{cite journal | author =Shantanu Shrikant Joshi | author2 =Oleg Kosterin | author3 =Krushnamegh Kunte | title = New status for Fraser's forgotten Aciagrion approximans krishna, stat. nov. (Odonata: Zygoptera: Coenagrionidae) from theWestern Ghats of India | journal = International Journal of Odonatology | volume= 19 | issue= 1–2| pages = 41–51| year = 2016| url=https://www.researchgate.net/publication/305331875| doi=10.1080/13887890.2016.1166463 | s2cid =89121135 | accessdate = 25 February 2017 }}</ref><br />
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==Subspecies==<br />
[[Frederic Charles Fraser|Fraser]] considered the specimen found in [[Northeast India|northeast]] as ''Aciagrion approximans'' and in [[Western Ghats|south]] as ''Aciargion hisopa'' race ''krishna''.<ref name="Fraser-JBNHS">{{cite journal |last1=Fraser |first1=F C|author-link=Frederic Charles Fraser |title=A list of dragonflies from Mahabaleshwar |journal=The Journal of the Bombay Natural History Society |date=1921 |volume=27 |page=543 |url=https://www.biodiversitylibrary.org/page/30359183#page/615/mode/1up}}</ref><ref name=Fraser/> A recent study revealed that the subspecies ''krishna'' found in [[Western Ghats|south]] is not conspecific with ''A. hisopa'' and found to be very close to ''A. approximans'' found in [[Northeast India|northeast]]; but differing at the level of subspecies.<ref name=joshy/><ref name=ifb/><br />
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*''Aciagrion approximans approximans'' ([[Northeast India]])<ref name=ifb/><br />
*''Aciagrion approximans krishna'' ([[Western Ghats]])<ref name=atlas>{{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=130–131}}</ref><br />
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==Description and habitat==<br />
It is a small, slim, slender damselfly with violet and black colors. Its thorax is black with lateral violet stripes. Segments 2 to 7 of the abdomen are black on dorsum and violet in the ventral half. Segments 8 and 9 are violet without any marks. Segment 10 is black on dorsum. The lower half of segment 8 is marked with black in ''A. a. krishna''. Female is similar to the male; but paler in colors. Segments 8 and 9 are black and 10 is blue on dorsum.<ref name=Fraser/><ref name=joshy/><br />
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It breeds in ponds, lakes or in slow moving streams.<ref name=Fraser/><ref name=joshy/><br />
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==See also==<br />
* [[List of odonates of India]]<br />
* [[List of odonata of Kerala]]<br />
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== References ==<br />
{{reflist}}<br />
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==External links==<br />
{{wikispecies-inline|Aciagrion approximans}}<br />
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[[Category:Coenagrionidae]]<br />
[[Category:Insects of India]]<br />
[[Category:Insects described in 1876]]<br />
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{{Coenagrionidae-stub}}</div>>ShortDescBot