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30 October 2015 Cladistic analysis and systematic revision of the Zethus smithii (de Saussure) species-group sensu Bohart & Stange (Hymenoptera : Vespidae : Eumeninae)
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Abstract

Zethus Fabricius is the largest genus within the Eumeninae and is currently divided into four subgenera. Three of them, namely, Z. (Zethoides), Z. (Zethus) and Z. (Zethusculus), are further subdivided into species-groups. The Zethus smithii species-group is among a few that present an elongated stem in the second metasomal tergum, but possess no other distinctive features. Here, a cladistic analysis under implied weighted characters was conducted. The Z. smithii-group was recovered as paraphyletic in relation to Z. hilarianus-group and, thus, both were combined into a single group named after the latter. Furthermore, the species of the Z. smithii species-group (sensu Bohart & Stange) were revised. Zethus dicomboda dicomboda and Z. dicomboda prixii were synonymised. Five new species were described: Z. alessandroi, sp. nov., Z. kaapora, sp. nov., Z. mesocarinatus, sp. nov., Z. pontagrossensis, sp. nov. and Z. scrobalis, sp. nov. A key to the species is provided.

© CSIRO 2015
Rogério Botion Lopes, Alice Fumi Kumagai, Lionel A. Stange, and Marcel Gustavo Hermes "Cladistic analysis and systematic revision of the Zethus smithii (de Saussure) species-group sensu Bohart & Stange (Hymenoptera : Vespidae : Eumeninae)," Invertebrate Systematics 29(5), 421-443, (30 October 2015). https://doi.org/10.1071/IS15005
Received: 11 February 2015; Accepted: 1 August 2015; Published: 30 October 2015
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