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{{Short description|Species of butterfly}}
{{Taxobox
{{Use dmy dates|date=December 2023}}
| name = Silky Hairstreak
{{Speciesbox
| image = Unidentified Butterfly 6566.jpg
| image = Pseudalmenus chlorinda.jpg
| regnum = [[Animal]]ia
| genus = Pseudalmenus
| phylum = [[Arthropod]]a
| classis = [[Insect]]a
| species = chlorinda
| authority = [[Emile Blanchard|Blanchard]], 1848<ref name="ausinsects" />
| ordo = [[Lepidoptera]]
| familia = [[Lycaenidae]]
| group = [[Theclinae]]
| genus = ''[[Pseudalmenus]]''
| species = '''''P. chlorinda'''''
| binomial = ''Pseudalmenus chlorinda''
| binomial_authority = Blanchard, [[1848]]<ref name="ausinsects" />
}}
}}

The '''Silky Hairstreak''' (''Pseudalmenus chlorinda'') also known as the '''Chlorinda Hairstreak''' is a [[butterfly]] belonging to the family [[Lycaenidae]].
The '''silky hairstreak''' or '''chlorinda hairstreak''' (''Pseudalmenus chlorinda'') is a [[butterfly]] belonging to the family [[Lycaenidae]]. The species was [[Species description|first described]] by [[Emile Blanchard]] in 1848. It occurs in [[Australia]]. It is the only species in the [[monotypic]] genus '''''Pseudalmenus''''', described by [[Hamilton Herbert Druce]] in 1902.<ref>{{cite web |last=Savela |first=Markku |date=28 September 2016 |url=https://www.nic.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/papilionoidea/lycaenidae/theclinae/pseudalmenus/ |title=''Pseudalmenus'' Druce, [1903] |website=Lepidoptera and Some Other Life Forms |accessdate=16 December 2019}}</ref>
== Taxonomy ==

The Silky Hairstreak was first described by [[Emile Blanchard]] in 1848. Subspecies include<ref name="funet">{{cite web|url=http://www.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/papilionoidea/lycaenidae/theclinae/pseudalmenus/index.html|title=Pseudalmenus chlorinda|publisher=www.funet.fi|accessdate=20 December 2009}}</ref>:
==Taxonomy==
* ''P. c. chlorinda'' is found in [[Tasmania]]. It is classified as rare under the Tasmanian Threatened Species Protection Act 1995.<ref>{{cite web|url=http://www.fpa.tas.gov.au/fileadmin/user_upload/PDFs/Zoology_Ecology/tfm_hairstreak_butterfly_draft.pdf|title=Threatened Fauna Manual for Production Forests in Tasmania - Tasmanian Hairstreak Butterfly|accessdate=20 December 2009}}</ref><ref name="funet" />
Subspecies include:<ref name="funet">{{cite web |last=Savela |first=Markku |date=28 September 2016 |url=https://www.nic.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/papilionoidea/lycaenidae/theclinae/pseudalmenus/#chlorinda |title=''Pseudalmenus chlorinda'' (Blanchard, 1853) |website=Lepidoptera and Some Other Life Forms |accessdate=16 December 2019}}</ref>
* ''P. c. zephyrus'' is found in Eastern Victoria<ref name="funet" />
* ''P. c. chlorinda'' is found in [[Tasmania]].<ref name="funet" />
* ''P. c. myrsilus'' is found in a restricted area of south-east Tasmania. It is classified as rare under the Tasmanian Threatened Species Protection Act 1995.<ref>{{Cite web|url=http://www.fpa.tas.gov.au/__data/assets/pdf_file/0006/68109/Haristreak_2011.pdf|title=Threatened Fauna Manual for Production Forests in Tasmania - Tasmanian Hairstreak Butterfly|accessdate=5 November 2011}}</ref>
* ''P. c. zephyrus'' is found in eastern Victoria<ref name="funet" />
* ''P. c. fisheri'' is found in the [[Grampians National Park]], Victoria<ref name="funet" />
* ''P. c. fisheri'' is found in the [[Grampians National Park]], Victoria<ref name="funet" />
* ''P. c. chloris'' is found around [[Katoomba]] and [[Mittagong]], [[New South Wales]]<ref name="funet" />
* ''P. c. chloris'' is found around [[Katoomba, New South Wales|Katoomba]] and [[Mittagong]], [[New South Wales]]<ref name="funet" />
* ''P. c. barringtonensis'' is found in the area of Barrington Tops, New South Wales<ref name="funet" />
* ''P. c. barringtonensis'' is found in the area of [[Barrington Tops]], New South Wales<ref name="funet" />


== Description ==
==Description==
[[File:Pseudalmenus chlorinda (ento-csiro-au).jpg|thumb|left]]
[[File:Pseudalmenus chlorinda (ento-csiro-au).jpg|thumb|left]]
The adult Silky Hairstreak has a wingspan of 28mm.<ref>{{cite web|url=http://museumvictoria.com.au/forest/animals/hairstreak.html|title=Victorian (Silky) Hairstreak Butterfly|publisher=Museum Victoria|accessdate=20 December 2009}}</ref> The male and female are similar, with the wings of the female slightly more rounded.<ref name="ausinsects" /> The wings are black or brown on top with yellow-orange patches. The lower wings have orange patches and black tails with white edges. The underside of the wings is yellow-grey in colour with black and orange markings. The eggs are pale green with a diameter about 1mm.<ref name="ausinsects">{{cite web|url=http://australian-insects.com/lepidoptera/lyca/chlorin.html|title=Pseudalmenus chlorinda|publisher=Australian-Insects|accessdate=20 December 2009}}</ref> They are usually laid in small groups on the twigs of a food plant. <ref name="ausinsects" />
The adult silky hairstreak has a wingspan of 28&nbsp;mm.<ref>{{Cite web|url=https://museumsvictoria.com.au/forest/animals/hairstreak.html|title=Victorian (Silky) Hairstreak Butterfly|publisher=Museum Victoria|accessdate=20 December 2009}}</ref> The male and female are similar, with the wings of the female slightly more rounded.<ref name="ausinsects" /> The wings are black or brown on top with yellow-orange patches. The lower wings have orange patches and black tails with white edges. The underside of the wings is yellow grey with black and orange markings. The eggs are pale green with a diameter about 1&nbsp;mm.<ref name="ausinsects">{{Cite web|url=http://australian-insects.com/lepidoptera/lyca/chlorin.html|title=Pseudalmenus chlorinda|publisher=Australian-Insects|accessdate=20 December 2009}}</ref> They are usually laid in small groups on the twigs of a food plant.<ref name="ausinsects" />


The caterpillars grow to a length of around 3cm. They have a black head and a brown, red, black and yellow body. <ref name="ausinsects" /> The larvae of the Silky Hairstreak secrete substances that attract ''[[Anonychomyrma biconvexa]]'' ants.<ref name="govenvironment">{{cite web|url=http://www.environment.gov.au/biodiversity/abrs/online-resources/fauna/afd/taxa/Pseudalmenus_chlorinda|title=Species Pseudalmenus chlorinda|publisher=Australian Biological Resources Study|accessdate=20 December 2009}}</ref><ref>{{cite web|url=http://australianmuseum.net.au/Lycaenid-butterflies-and-ants/|title=Lycaenid butterflies and ants |publisher=Australian Museum|accessdate=20 December 2009}}</ref>
The caterpillars grow to a length of around 3&nbsp;cm. They have a black head and a brown, red, black and yellow body.<ref name="ausinsects" /> The larvae of the silky hairstreak secrete substances that attract ''[[Anonychomyrma biconvexa]]'' ants.<ref name="govenvironment">{{Cite web|url=http://www.environment.gov.au/biodiversity/abrs/online-resources/fauna/afd/taxa/Pseudalmenus_chlorinda|title=Species Pseudalmenus chlorinda|publisher=Australian Biological Resources Study|accessdate=20 December 2009}}</ref><ref>{{Cite web|url=http://australianmuseum.net.au/Lycaenid-butterflies-and-ants/|title=Lycaenid butterflies and ants |publisher=Australian Museum|accessdate=20 December 2009}}</ref>


== Distribution and habitat ==
==Distribution and habitat==
It is found in South Eastern [[Australia]] including [[New South Wales]], [[Victoria (Australia)|Victoria]] and [[Tasmania]]. <ref>{{cite book|last=Kitching|first=Roger|title=Biology of Australian butterflies|editor=Roger Laurence Kitching|publisher=CSIRO Publishing|date=1999|isbn=0643050272, 9780643050273}}</ref> The species only occurs where the attendant ant species is found, and the larval food plant grows.<ref>{{cite book|coauthors=E D Edwards, J. Newland, Australian Biological Resources Study, L. Regan|title=Zoological Catalogue of Australia Volume 31.6: Lepidoptera: Hesperioidea, Papilionoidea|publisher=CSIRO Publishing|date=0643067000, 9780643067004|url=http://books.google.com.au/books?id=iVHDuVVelGMC&pg=PA270&lpg=PA270&dq=Anonychomyrma+biconvexa+Silky+Hairstreak&source=bl&ots=s9cGmAs4hk&sig=YOe_RVbS0JMoAmiIPrRtV3K80xE&hl=en&ei=QRwuS_zSO4rs7APD24CDBg&sa=X&oi=book_result&ct=result&resnum=2&ved=0CAsQ6AEwAQ#v=onepage&q=Anonychomyrma%20biconvexa%20Silky%20Hairstreak&f=false}}</ref>
It is found in south-eastern [[Australia]] including [[New South Wales]], [[Victoria (Australia)|Victoria]] and [[Tasmania]].<ref>{{Cite book|last=Kitching|first=Roger|title=Biology of Australian butterflies|editor=Roger Laurence Kitching|publisher=CSIRO Publishing|year=1999|isbn=9780643050273}}</ref> The species only occurs where the attendant ant species is found, and the larval food plant grows.<ref>{{cite book|last1=Edwards|first1=E. D.|last2=Newland|first2=J.|last3=Regan|first3=L.|title=Lepidoptera: Hesperioidea, Papilionoidea|url=https://books.google.com/books?id=iVHDuVVelGMC&pg=PA270|year=2001|publisher=Csiro Publishing|isbn=978-0-643-06700-4|page=270}}</ref>


The caterpillars feed on various ''[[Acacia]]'' species including the [[Silver Wattle]], ''[[Acacia decurrens]]'', ''[[Acacia elata]]'', ''[[Acacia mearnsii]]'', ''[[Acacia melanoxylon]]'', ''[[Acacia obtusata]]'', ''[[Acacia pravissima]]'', ''[[Acacia terminalis]]'' and the ''[[Acacia trachyphloia]]''.<ref name="ausinsects" />
The caterpillars feed on various ''[[Acacia]]'' species including the ''[[Acacia dealbata|A. dealbata]]'', ''[[Acacia decurrens|A. decurrens]]'', ''[[Acacia elata|A. elata]]'', ''[[Acacia mearnsii|A. mearnsii]]'', ''[[Acacia melanoxylon|A. melanoxylon]]'', ''[[Acacia obtusata|A. obtusata]]'', ''[[Acacia pravissima|A. pravissima]]'', ''[[Acacia terminalis|A. terminalis]]'' and the ''[[Acacia trachyphloia|A. trachyphloia]]''.<ref name="ausinsects" />


==See also==
==See also==
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==References==
==References==
{{Commons category|Pseudalmenus chlorinda}}
{{reflist}}
{{Reflist}}


{{Taxonbar |from=Q3409552}}
==External Links==
{{commonscat|Pseudalmenus chlorinda}}


[[Category:Lycaenidae]]
[[Category:Theclinae]]
[[Category:Taxa named by Émile Blanchard]]
[[Category:Butterflies described in 1848]]
[[Category:Butterflies of Australia]]

Latest revision as of 17:42, 30 December 2023

Silky hairstreak
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Lycaenidae
Tribe: Zesiini
Genus: Pseudalmenus
Species:
P. chlorinda
Binomial name
Pseudalmenus chlorinda

The silky hairstreak or chlorinda hairstreak (Pseudalmenus chlorinda) is a butterfly belonging to the family Lycaenidae. The species was first described by Emile Blanchard in 1848. It occurs in Australia. It is the only species in the monotypic genus Pseudalmenus, described by Hamilton Herbert Druce in 1902.[2]

Taxonomy

[edit]

Subspecies include:[3]

Description

[edit]

The adult silky hairstreak has a wingspan of 28 mm.[5] The male and female are similar, with the wings of the female slightly more rounded.[1] The wings are black or brown on top with yellow-orange patches. The lower wings have orange patches and black tails with white edges. The underside of the wings is yellow grey with black and orange markings. The eggs are pale green with a diameter about 1 mm.[1] They are usually laid in small groups on the twigs of a food plant.[1]

The caterpillars grow to a length of around 3 cm. They have a black head and a brown, red, black and yellow body.[1] The larvae of the silky hairstreak secrete substances that attract Anonychomyrma biconvexa ants.[6][7]

Distribution and habitat

[edit]

It is found in south-eastern Australia including New South Wales, Victoria and Tasmania.[8] The species only occurs where the attendant ant species is found, and the larval food plant grows.[9]

The caterpillars feed on various Acacia species including the A. dealbata, A. decurrens, A. elata, A. mearnsii, A. melanoxylon, A. obtusata, A. pravissima, A. terminalis and the A. trachyphloia.[1]

See also

[edit]

References

[edit]
  1. ^ a b c d e f "Pseudalmenus chlorinda". Australian-Insects. Retrieved 20 December 2009.
  2. ^ Savela, Markku (28 September 2016). "Pseudalmenus Druce, [1903]". Lepidoptera and Some Other Life Forms. Retrieved 16 December 2019.
  3. ^ a b c d e f Savela, Markku (28 September 2016). "Pseudalmenus chlorinda (Blanchard, 1853)". Lepidoptera and Some Other Life Forms. Retrieved 16 December 2019.
  4. ^ "Threatened Fauna Manual for Production Forests in Tasmania - Tasmanian Hairstreak Butterfly" (PDF). Retrieved 5 November 2011.
  5. ^ "Victorian (Silky) Hairstreak Butterfly". Museum Victoria. Retrieved 20 December 2009.
  6. ^ "Species Pseudalmenus chlorinda". Australian Biological Resources Study. Retrieved 20 December 2009.
  7. ^ "Lycaenid butterflies and ants". Australian Museum. Retrieved 20 December 2009.
  8. ^ Kitching, Roger (1999). Roger Laurence Kitching (ed.). Biology of Australian butterflies. CSIRO Publishing. ISBN 9780643050273.
  9. ^ Edwards, E. D.; Newland, J.; Regan, L. (2001). Lepidoptera: Hesperioidea, Papilionoidea. Csiro Publishing. p. 270. ISBN 978-0-643-06700-4.