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- Q7202693 subject Q20816176.
- Q7202693 subject Q22764031.
- Q7202693 subject Q8549653.
- Q7202693 abstract "Platypleura sylvia is a species of cicada endemic to South Africa. It was first described and named by William Lucas Distant in 1899 in the Annals and Magazine of Natural History. Insecta transvaaliensia was self-published by Distant and appeared in twelve parts over the period 1900-1911. The series was an account of Distant's insect-collecting trips through the Transvaal. The collected parts were published as a single volume after Distant's death by Francis Edwards of London in 1924.Specimens of this species were collected in 1906 and then not found again in the field until 2001 "when small, localised populations were discovered during a faunal survey for the Environmental Management Programme Report for the Anglo Platinum Der Brochen Platinum project in the Groot Dwars River valley, Mpumalanga." - Platypleura sylvia As a result a behavioural study was carried out in the Groot Dwars River valley in 2001 and 2002, during which researchers found that the adult life stage of the insect lasted six to eight weeks during the months of November and December, and that its distribution is extremely localised and confined to a number of valleys in Sekhukhuneland. This cicada is found in closed bushveld that includes the tree Vitex obovata, a member of the Verbenaceae, a tree also endemic to South Africa and Swaziland, and with which it has a close and exclusive relationship. A number of cicadas have evolved this affinity for a single species of tree. Researchers observed a female drilling holes in a dry twig and depositing her eggs. Males spread their wings and arch their backs when calling, a posture which is believed to amplify their call, best described as "zeep".Cicada nymphs were found down to 50 centimetres (20 in) below the soil surface attached to the roots of Vitex obovata and exuviae were found above ground on trees of the same species housing calling adults, and on other plant species when no adults were present. The duration of the larval stage is as yet undetermined, but is thought to be something of the order of six or seven years underground.P. sylvia is confined to the valley of the Groot Dwars River (24°55′ S, 30°05′ E), a tributary of the Steelpoort River, and occurs on the farms Helena, Der Brochen, Mareesburg and also the Didingwe River Lodge property, with a slight spill-over to neighbouring areas. The species' tragedy is its occurrence on geological formations rich in platinum. The area is actively mined by the Anglo American Platinum Corporation committed to "minimising its environmental impact at this operation by implementing best practice in land and environmental management". Other mining companies dismiss concerns by stating that the species is "rare but not on IUCN Red List due to insufficient data", ignoring its disappearance for almost a century and equating "insufficient data" with a licence to act irresponsibly.".
- Q7202693 binomialAuthority Q2038720.
- Q7202693 class Q1390.
- Q7202693 family Q130778.
- Q7202693 genus Q1946093.
- Q7202693 kingdom Q729.
- Q7202693 order Q26371.
- Q7202693 phylum Q1360.
- Q7202693 synonym "Pycna sylvia (Distant, 1899)".
- Q7202693 thumbnail Pycna_sylvia00.png?width=300.
- Q7202693 wikiPageExternalLink sonbesie.pdf.
- Q7202693 wikiPageExternalLink cicadidae.html.
- Q7202693 wikiPageWikiLink Q1050.
- Q7202693 wikiPageWikiLink Q1089494.
- Q7202693 wikiPageWikiLink Q1187978.
- Q7202693 wikiPageWikiLink Q123452.
- Q7202693 wikiPageWikiLink Q130778.
- Q7202693 wikiPageWikiLink Q1360.
- Q7202693 wikiPageWikiLink Q1390.
- Q7202693 wikiPageWikiLink Q156960.
- Q7202693 wikiPageWikiLink Q1937345.
- Q7202693 wikiPageWikiLink Q1946093.
- Q7202693 wikiPageWikiLink Q2038720.
- Q7202693 wikiPageWikiLink Q20816176.
- Q7202693 wikiPageWikiLink Q22764031.
- Q7202693 wikiPageWikiLink Q26371.
- Q7202693 wikiPageWikiLink Q620432.
- Q7202693 wikiPageWikiLink Q729.
- Q7202693 wikiPageWikiLink Q7447177.
- Q7202693 wikiPageWikiLink Q776682.
- Q7202693 wikiPageWikiLink Q8549653.
- Q7202693 binomialAuthority "Distant, 1899".
- Q7202693 classis "Insecta".
- Q7202693 familia Q130778.
- Q7202693 genus "Platypleura".
- Q7202693 ordo Q26371.
- Q7202693 phylum "Arthropoda".
- Q7202693 regnum "Animalia".
- Q7202693 synonyms "Pycna sylvia".
- Q7202693 type Animal.
- Q7202693 type Eukaryote.
- Q7202693 type Insect.
- Q7202693 type Species.
- Q7202693 type Thing.
- Q7202693 type Q1390.
- Q7202693 type Q19088.
- Q7202693 type Q729.
- Q7202693 comment "Platypleura sylvia is a species of cicada endemic to South Africa. It was first described and named by William Lucas Distant in 1899 in the Annals and Magazine of Natural History. Insecta transvaaliensia was self-published by Distant and appeared in twelve parts over the period 1900-1911. The series was an account of Distant's insect-collecting trips through the Transvaal.".
- Q7202693 label "Platypleura sylvia".
- Q7202693 depiction Pycna_sylvia00.png.