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Title: Taxonomy and phylogeny of the Old World jumping plant-louse genus Paurocephala (Insecta, Hemiptera, Psylloidea)
Authors: Mifsud, David
Burckhardt, Daniel
Keywords: Hemiptera
Jumping plant-lice
Issue Date: 2002
Publisher: Taylor & Francis
Citation: Mifsud, D. & Burckhardt, D. (2002). Taxonomy and phylogeny of the Old World jumping plant-louse genus Paurocephala (Insecta, Hemiptera, Psylloidea). Journal of Natural History, Vol. 36, p. 1887-1986
Abstract: Fifty-one species are recognized in the genus Paurocephala, with an additional 14 species which remain unnamed. Thirty-five species are described as new, and five species are synonymized: P. pumilae and P. zhejiangensis with P. chonchaiensis, P. debregeasiae with P. sauteri, and P. guangxiensis and P. tremae with P. trematos. Two varieties, P. psylloptera maculipennis and P. psylloptera setifera, are raised to species level. P. bifasciata is reinstated from former synonymy with P. chonchaiensis, and Anomoterga kleinhofiae is transferred back to Paurocephala. Lectotypes are designated for P. brevicephala, P. chonchaiensis, P. psylloptera, P. sauteri, P. seti/era and P. wilderi. The four New World species of Paurocephala are not considered to be congeneric with the Old World species and will be transferred to Diclidophlebia. Two South African species, P. bicarinata and P. hottentotti, are removed from Paurocephala and have to be accommodated in a new genus in the Diaphorininae. Thus Paurocephala is an Old World genus with nine Afrotropical and 42 Indo-Australian described species. Keys for the identification of adults and fifth instar larvae are provided. All 51 named species are diagnosed and illustrated, and information is given on distribution and host plants. Based on two cladistic analyses, one using adult characters only, and one using both adult and larval characters, four monophyletic species groups are recognized. In both analyses a basal group of 10 species, the brevicephala-group, forms the sister group to all other Paurocephala spp. The Afrotropical species are monophyletic and, together with one Oriental species constitute the gossypiigroup. In the analysis with adult characters only, the gossypii-group is the sister taxon of the kleinhofiae-group and, both together, are the sister group of the psylloptera-group, the largest species group with 27 species. In the analysis of adult and larval characters, the relationships between the last three species groups are not resolved. The result of the phylogenetic analysis confirms the synonymy of the subgenus Thoracocorna with Paurocephala. Known host plants of Paurocephala spp. belong to the Malvifiorae with the exception of the Afrotropical P. insolita which develops on Theifiorae (Theales, Clusiaceae). The brevicephala-, kleinhofiae- and gossypii-groups are associated with hosts of the order Malvales (Malvaceae and Sterculiaceae), whereas the psylloptera-group is with Urticales (Urticaceae, Moraceae and Ulmaceae).
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