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Volume 21, issue 2 | Copyright
Foss. Rec., 21, 207-212, 2018
https://doi.org/10.5194/fr-21-207-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 21 Aug 2018

Research article | 21 Aug 2018

A new genus of fungus weevils (Coleoptera: Anthribidae) in Rovno amber

Andrei A. Legalov1,2, Vitaliy Y. Nazarenko3, and Evgeny E. Perkovsky3 Andrei A. Legalov et al.
  • 1Institute of Systematics and Ecology of Animals, Siberian Branch, Russian Academy of Sciences, Frunze Street 11, Novosibirsk 630091, Russia
  • 2Altai State University, Lenina, 61, Barnaul 656049, Russia
  • 3Schmalhausen Institute of Zoology, National Academy of Sciences of Ukraine, B. Khmel'nyts'koho 15, Kiev 01601, Ukraine

Abstract. New fungus weevils, Eduardoxenus unicus (ZooBank registration: urn:lsid:zoobank.org:act:5732 BC85-9148-4FE5-A4F6-46847BA0138D, urn:lsid:zoobank.org: act:4D3B3EA8-AE0E-4E6D-A770-B427AC19ED03) Legalov, Nazarenko et Perkovsky, gen. et sp. nov. (Coleoptera: Anthribidae), are described from late Eocene Rovno amber. The new genus is similar to the genus Cyptoxenus Valentine, 1982, but differs in coarsely faceted eyes, antennomere 2 shorter than antennomere 1 and an almost glabrous body. It differs from the genus Valenfriesia Alonso-Zarazaga et Lyal, 1999 in the coarsely faceted eyes, almost straight transversal carina on the pronotum and distinct elytral humeri, and it differs from the genus Neoxenus Valentine, 1999 in distinct lateral carina on the pronotum, coarsely faceted eyes and almost straight transversal pronotal carina. This fossil fungus weevil is the oldest finding of the tribe Valenfriesiini in fossil state and the first record of the Choraginae from the Eocene amber. The palaeogeographical and palaeoclimatological importance of finding Valenfriesiini in Rovno amber is discussed.

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New fungus weevils, Eduardoxenus unicus gen. et sp. nov. is described from late Eocene Rovno amber (Klesov, Rovno region). This fossil fungus weevil is the oldest finding of the tribe Valenfriesiini in fossil state and the first record of the Choraginae from the Eocene ambers. The new genus differs from the genera Cyptoxenus, Valenfriesia and Neoxenus. Palaeogeographical and palaeoclimatological importance of finding Valenfriesiini in Rovno amber is discussed.
New fungus weevils, Eduardoxenus unicus gen. et sp. nov. is described from late Eocene Rovno...
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