Abstract
A new monotypic genus of flatid planthoppers (Hemiptera: Fulgoromorpha: Flatidae), Medleria gen. nov., is described for Medleria caudata gen. et sp. nov. (type species) from the island of Socotra (Yemen). Habitus, male and female external and internal genital structures of the new species are illustrated and compared with similar taxa. Medleria caudata gen. et sp. nov. is probably endemic to Socotra where it is known to date from a small area of the Dixam mountain plateau only
Highlights
The island of Socotra is located in the north-western part of the Indian Ocean near the Horn of Africa (Somali peninsula) and the southern shore of the Arabian Peninsula
M. caudata gen. et sp. nov. differs from both D. petri and K. lubosi by the following characters:
– a short and broad vertex lacking carinae or grooves on its disc (Figs 1E, 2C–E); D. petri has the head anteriorly produced into a conspicuous semicircular crown (Stroiński et al 2016: figs 4, 7, 12–13), K. lubosi has a short, but narrow vertex with a median groove (Stroiński et al 2016: figs 57, 62);
Summary
The island of Socotra is located in the north-western part of the Indian Ocean near the Horn of Africa (Somali peninsula) and the southern shore of the Arabian Peninsula. Four additional genera of Flatidae, viz. Dixamflata Stroiński, Malenovský & Świerczewski, 2016, Haloflata Świerczewski, Malenovský & Stroiński, 2017, Kesaflata Stroiński, Malenovský & Świerczewski, 2016 and Kirkamflata Świerczewski, Malenovský & Stroiński, 2014, have been described; all of them are monotypic and have not been recorded outside of Socotra yet (Bourgoin 2017). Some of these recently described species may be threatened by the current environmental changes (Świerczewski et al 2014, 2017; Stroiński et al 2016). We establish a new genus, Medleria gen. nov., for it
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