- Award ID(s):
- 1639601
- NSF-PAR ID:
- 10204775
- Date Published:
- Journal Name:
- European Journal of Taxonomy
- Issue:
- 695
- ISSN:
- 2118-9773
- Format(s):
- Medium: X
- Sponsoring Org:
- National Science Foundation
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Five new species of the endemic Australian leafhopper genus Mayawa Fletcher, 2000 (M. affinifacialis sp. nov., M. bimaculata sp. nov., M. brevicephala sp. nov., M. kathyae sp. nov. and M. vestigia sp. nov.) are described and illustrated and a revised key to species is provided. One of the new species tested positive for a previously unknown strain of phytoplasma belonging to the 16SrV group. The related paralimnine genus Austroauridius gen. nov. based on A. iwaii sp. nov. from Queensland is also described and illustrated and a key to known genera of Australian Paralimnini is provided.more » « less
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null (Ed.)Xiphosurans are aquatic chelicerates with a fossil record extending into the Early Ordovician and known from a total of 88 described species, four of which are extant. Known for their apparent morphological conservatism, for which they have gained notoriety as supposed ‘living fossils’, recent analyses have demonstrated xiphosurans to have an ecologically diverse evolutionary history, with several groups moving into non-marine environments and developing morphologies markedly different from those of the modern species. The combination of their long evolutionary and complex ecological history along with their paradoxical patterns of morphological stasis in some clades and experimentation among others has resulted in Xiphosura being of particular interest for macroevolutionary study. Phylogenetic analyses have shown the current taxonomic framework for Xiphosura—set out in the Treatise of Invertebrate Paleontology in 1955—to be outdated and in need of revision, with several common genera such as Paleolimulus Dunbar, 1923 and Limulitella Størmer, 1952 acting as wastebasket taxa. Here, an expanded xiphosuran phylogeny is presented, comprising 58 xiphosuran species as part of a 158 taxon chelicerate matrix coded for 259 characters. Analysing the matrix under both Bayesian inference and parsimony optimisation criteria retrieves a concordant tree topology that forms the basis of a genus-level systematic revision of xiphosuran taxonomy. The genera Euproops Meek, 1867, Belinurus König, 1820, Paleolimulus , Limulitella , and Limulus are demonstrated to be non-monophyletic and the previously synonymized genera Koenigiella Raymond, 1944 and Prestwichianella Cockerell, 1905 are shown to be valid. In addition, nine new genera ( Andersoniella gen. nov. , Macrobelinurus gen. nov. , and Parabelinurus gen. nov. in Belinurina; Norilimulus gen. nov. in Paleolimulidae; Batracholimulus gen. nov. and Boeotiaspis gen. nov. in Austrolimulidae; and Allolimulus gen. nov., Keuperlimulus gen. nov., and Volanalimulus gen. nov. in Limulidae) are erected to accommodate xiphosuran species not encompassed by existing genera. One new species, Volanalimulus madagascarensis gen. et sp. nov., is also described. Three putative xiphosuran genera— Elleria Raymond, 1944, Archeolimulus Chlupáč, 1963, and Drabovaspis Chlupáč, 1963—are determined to be non-xiphosuran arthropods and as such are removed from Xiphosura. The priority of Belinurus König, 1820 over Bellinurus Pictet, 1846 is also confirmed. This work is critical for facilitating the study of the xiphosuran fossil record and is the first step in resolving longstanding questions regarding the geographic distribution of the modern horseshoe crab species and whether they truly represent ‘living fossils’. Understanding the long evolutionary history of Xiphosura is vital for interpreting how the modern species may respond to environmental change and in guiding conservation efforts.more » « less
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Abstract The butterfly tribe Candalidini is geographically restricted to Australia and mainland New Guinea and its adjacent islands. With 60 species and subspecies, it represents a large radiation of Papilionoidea in the Australian region. Although the species‐level taxonomy is relatively well understood, the number of genera is uncertain, varying from two to eight. We reconstructed the phylogeny of the Candalidini based on a 13‐locus hybrid enrichment probe set (12.8 Kbp: COI, Thiolase, CAD, CAT, DDC, EF1‐a, GAPDH, HCL, IDH, MDH, RPS2, RPS5, Wingless), including all previously recognized genera and 76% (28/37) of the species‐level diversity of the tribe. Maximum likelihood analysis recovered the Candalidini as a strongly supported monophyletic group. In conjunction with morphological characters, the phylogeny provided a robust framework for a revised classification in which we recognize four genera, 37 species and 23 subspecies. The genus
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http://zoobank.org/urn:lsid:zoobank.org:author:4D3A7605‐EBD0‐40F6‐A5F2‐7F67F59E3D60 ;Marianne Espeland:
http://zoobank.org/urn:lsid:zoobank.org:author:00D6F9F9‐3902‐4A8B‐846F‐720AB32922A6 ;Chris Müller:
http://zoobank.org/urn:lsid:zoobank.org:author:15FE5F26‐7596‐46C2‐9697‐1FD92A692D0D ;http://zoobank.org/urn:lsid:zoobank.org:pub:47D5CA34‐C294‐4FBD‐84B6‐1C2A82B7CADF . -
null (Ed.)The Mexican leafhopper genus and species Devolana hemicycla DeLong, 1967 syn. nov., is recognized as a junior synonym of Usanus stonei DeLong, 1947. Three previously described species, U. tuxcacuensis (Pinedo-Escatel & Aguilar-Pérez, 2019) comb. nov., U. youajla (Pinedo-Escatel, 2019) comb. nov., and U. xajxayakamej (Pinedo-Escatel, 2019) comb. nov. are transferred to Usanus. Two new species, U. xochipalensis sp. nov. and U. igualaensis sp. nov. from Guerrero, are described and illustrated. An updated key to all known species of Usanus is provided.more » « less