Re-examination of the genus-level taxonomy of the pollen beetle subfamily Meligethinae – Part 1. <em>Sagittogethes</em> Audisio and Cline 2009 and allied genera; with description of a new genus (Coleoptera: Nitidulidae)

Authors

  • Meike Liu College of Agriculture, Yangtze University; Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, Entomological Museum, Northwest AF University
  • Min Huang Key Laboratory of Plant Protection Resources and Pest Management of Ministry of Education, Entomological Museum, Northwest AF University
  • Andrew Richard Cline Plant Pest Diagnostics Center, California Department of Food and Agriculture - Sacramento (CA)
  • Paolo Cardoli Dipartimento di Biologia e Biotecnologie “Charles Darwin”, Sapienza Università di Roma
  • Paolo Audisio Dipartimento di Biologia e Biotecnologie “Charles Darwin”, Sapienza Università di Roma
  • Simone Sabatelli Dipartimento di Biologia e Biotecnologie “Charles Darwin”, Sapienza Università di Roma

DOI:

https://doi.org/10.13133/2284-4880/419

Keywords:

molecular taxonomy, Teucriogethes, new genus, larval host-plants, pollen beetles, Lamiaceae, Teucrium

Abstract

Recent molecular and morphological data derived from members of the pollen-beetle subfamily Meligethinae suggest the need to separate the genus Sagittogethes Audisio and Cline, 2009, including species mostly distributed in Western Palaearctic areas, into two distinct (although related) genera, Sagittogethes and Teucriogethes gen. n. This new genus, comprising the Western European Meligethes obscurus Erichson, 1845 as its type species, includes less than ten species distributed between the Iberian Peninsula and North Africa westward, and China and Japan eastward. All inclusive species utilize members of the genus Teucrium L. (Lamiacaeae: Ajugoideae) as larval host-plants. Morphological and bionomical information, and molecular data clearly demonstrate the necessity for updating the taxonomic position of the two clades. Based on molecular evidence, the new genus represents the sister-group of Thymogethes Audisio and Cline, 2009, while the sister-group relationships of the remaining Sagittogethes taxa with other Lamiaceae-associated genera of Meligethinae remain uncertain. Within the new genus, the relictual and rare Western Mediterranean species T. minutus (C.N.F. Brisout de Barneville, 1863) seems to occupy an isolated position.

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Published

2020-04-14

How to Cite

Liu, M., Huang, M., Cline, A. R., Cardoli, P., Audisio, P. and Sabatelli, S. (2020) “Re-examination of the genus-level taxonomy of the pollen beetle subfamily Meligethinae – Part 1. <em>Sagittogethes</em> Audisio and Cline 2009 and allied genera; with description of a new genus (Coleoptera: Nitidulidae)”, Fragmenta entomologica, 52(1), pp. 119–135. doi: 10.13133/2284-4880/419.

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Research Articles

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