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The [[wingspan]] is 32–36&nbsp;mm for males and 34–38&nbsp;mm for females. Adults are on wing year round with peak in early summer and autumn in southern Africa.<ref>Woodhall, S. Field Guide to Butterflies of South Africa, Cape Town: Struik Publishers, 2005.</ref> The butterfly usually has three ocelli on the underside of their hindwing, although these may not appear during the dry season.<ref>[https://docs.google.com/viewer?a=v&q=cache:YVkM4TjFf18J:atbutterflies.com/downloads/nymphalidae_ypthimina.doc+%22impure+ringlet%22&hl=en&gl=ca&pid=bl&srcid=ADGEESi93xI2vlluOJ9xxg8BnEH84Vds_sTSdpuEc2YGsPhKmEzEeybDMUF_TZokLpqZ2O18ZVoYhXKTaoiRnbaxHA8wNdYp_RV0mfDi3WNTrFNd37SP0KhI-GSeDaQM5E87sz0KiebX&sig=AHIEtbSy_GWTOQu-PGY3Wsl0Vw-5YbKS3Q Subtribe Ypthima]</ref>
The [[wingspan]] is 32–36&nbsp;mm for males and 34–38&nbsp;mm for females. Adults are on wing year round with peak in early summer and autumn in southern Africa.<ref>Woodhall, S. Field Guide to Butterflies of South Africa, Cape Town: Struik Publishers, 2005.</ref> The butterfly usually has three ocelli on the underside of their hindwing, although these may not appear during the dry season.<ref>[https://docs.google.com/viewer?a=v&q=cache:YVkM4TjFf18J:atbutterflies.com/downloads/nymphalidae_ypthimina.doc+%22impure+ringlet%22&hl=en&gl=ca&pid=bl&srcid=ADGEESi93xI2vlluOJ9xxg8BnEH84Vds_sTSdpuEc2YGsPhKmEzEeybDMUF_TZokLpqZ2O18ZVoYhXKTaoiRnbaxHA8wNdYp_RV0mfDi3WNTrFNd37SP0KhI-GSeDaQM5E87sz0KiebX&sig=AHIEtbSy_GWTOQu-PGY3Wsl0Vw-5YbKS3Q Subtribe Ypthima]</ref>


The larvae feed on [[Poaceae]] grasses. Larvae have also been reared on ''[[Ehrharta erecta]]''.<ref>[http://www.sntc.org.sz/biodiversity/sdbutterflyinfo.asp?spid=1043 Swaziland National Trust Commission]</ref> Females are usually more sedentary than males, with stouter abdomens.<ref>Willis, C. and S. Woodhall. [http://www.sanbi.org/sites/default/files/documents/documents/bioseries16butterfly.pdf ''Butterflies of South Africa's National Botanical Gardens]''. SANBI Biodiversity Series 16, 2010.</ref>
The larvae feed on [[Poaceae]] grasses. Larvae have also been reared on ''[[Ehrharta erecta]]''.<ref>[http://www.sntc.org.sz/biodiversity/sdbutterflyinfo.asp?spid=1043 Swaziland National Trust Commission] {{wayback|url=http://www.sntc.org.sz/biodiversity/sdbutterflyinfo.asp?spid=1043 |date=20160303234716 }}</ref> Females are usually more sedentary than males, with stouter abdomens.<ref>Willis, C. and S. Woodhall. [http://www.sanbi.org/sites/default/files/documents/documents/bioseries16butterfly.pdf ''Butterflies of South Africa's National Botanical Gardens]''. SANBI Biodiversity Series 16, 2010.</ref>


==Subspecies==
==Subspecies==

Revision as of 08:11, 21 July 2016

Ypthima impura
Scientific classification
Kingdom:
Phylum:
Class:
Order:
Family:
Tribe:
Genus:
Species:
Y. impura
Binomial name
Ypthima impura
Elwes & Edwards, 1893[1]
Synonyms
  • Ypthima impura f. impura Elwes & Edwards, 1893
  • Ypthima pupillaris paupera Ungemach, 1932
  • Ypthima pupillaris f. hiemis Ungemach, 1932
  • Ypthima impura f. badhami van Son, 1955
  • Ypthima badhami
  • Ypthima paupera

The Impure Ringlet (Ypthima impura, known in Afrikaans as the Vuil-ringetjie) is a butterfly of the Nymphalidae family. It is found in most of sub-Saharan Africa.

The wingspan is 32–36 mm for males and 34–38 mm for females. Adults are on wing year round with peak in early summer and autumn in southern Africa.[2] The butterfly usually has three ocelli on the underside of their hindwing, although these may not appear during the dry season.[3]

The larvae feed on Poaceae grasses. Larvae have also been reared on Ehrharta erecta.[4] Females are usually more sedentary than males, with stouter abdomens.[5]

Subspecies

  • Ypthima impura impura (Ivory Coast to Nigeria, Cameroon, Zaire, Angola)[6]
  • Ypthima impura paupera Ungemach, 1932 -Bushveld Ringlet (Ethiopia, from eastern Africa to Transvaal and KwaZulu-Natal)[6]

References

  1. ^ Ypthima, Site of Markku Savela
  2. ^ Woodhall, S. Field Guide to Butterflies of South Africa, Cape Town: Struik Publishers, 2005.
  3. ^ Subtribe Ypthima
  4. ^ Swaziland National Trust Commission Archived 2016-03-03 at the Wayback Machine
  5. ^ Willis, C. and S. Woodhall. Butterflies of South Africa's National Botanical Gardens. SANBI Biodiversity Series 16, 2010.
  6. ^ a b Afrotropical Butterflies: File E – Nymphalidae - Subtribe Ypthimina