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Taxonomic updates and descriptions of four new species from Yunnan, China are provided: three new species in the genus Pitambara Distant, 1906: P. triremiprocta Wang & Soulier-Perkins, sp. nov., P. impudica Wang & Bourgoin, sp. nov., P. tricorne Wang & Wang, sp. nov., and one new species in the genus Serida Walker, 1857: Serida parenthesisflexuosa Wang & Soulier-Perkins, sp. nov. A new identification key to Pitambara species is provided, as well as to the species of the genus Lacusa Stål, 1862. Lacusa yunnanensis Chou & Huang, 1985 stat. rev. is not considered as a synonym of the species L. fuscofasciata (Stål, 1854) anymore and Lacusa orientalis (Liang, 2000) is transferred to the genus Acothrura Melichar, 1915 as Acothrura orientalis (Liang, 2000) comb. nov.
The taxa Cubicostissus palaeocaeni gen. et sp. nov. are described from the Paleocene of Menat (Central France) as the oldest representative of the family Issidae for which all currently known fossils are reviewed. With a unique combination of characters, the specimen represents the first fossil described for the tribe Hysteropterini. Its occurrence in the European Paleocene shows that its lineage, and therefore the Issidae, were already present at least some 60 Ma. It allows to discard the hypothesis of an Eocene origin for the family, which is in accordance with a recent molecular calibration of the family, reporting the tribe as old as the Upper Cretaceous.
Laberiini, a new tribe of Tropiduchidae planthoppers from Madagascar (Hemiptera: Fulgoroidea)
(2022)
The tropiduchid monotypic genus Laberia Stål, 1866, endemic to Madagascar, is placed in a new tribe of its own Laberiini trib. nov. The tribe is placed in the subfamily Elicinae, and can be distinguished from other representatives of the subfamily by the unique combination of morphological characters of the head, tegmina, legs and genital structures. The genus Laberia and its only species Laberia palliata Stål, 1866 are redescribed, chresonymy is presented and nomenclatorial questions are clarified. Distributional data from Madagascar and doubtful presence of the taxon in Mauritius are discussed. Taxonomic content of Elicinae is briefly discussed.