A NEW SPECIES OF GYRIOSOMUS GUERIN-MENEVILLE (COLEOPTERA: TENEBRIONIDAE) FROM THE CHILEAN ATACAMA DESERT

Tenebrionidae) from the chilean atacama desert

Reinhard Predel, Álvaro Zúñiga-Reinoso, Pablo Pinto

Research output: Contribution to journalArticle

Abstract

Specimens of Gyriosomus (Tenebrionidae, Nycteliini) are conspicuous darkling beetles of the Chilean Atacama desert. Most species of this genus have restricted ranges and emerge as adults only after extensive rainfall. During the last blooming of the desert in 2017, we collected several specimens in the Monumento Natural Paposo Norte (Antofagasta region), which showed morphological differences, such as elytral pilosity pattern and shape of the pronotum, when compared with the sympatric Gyriosomus angustus and G. curtisi as well as other morphologically similar species (G. chango and G. barriai). We analyzed external morphology, female and male external genitalia, and the COI sequences of these specimens and compared these data with those of other species in that subregion. The results support the description of a new species, Gyriosomus camanchacasp. nov., which is more closely related to G. chango than to the sympatric species of the Monumento Natural Paposo Norte. The evolutionary history of Gyriosomus in the Paposo region and its importance for conservation are discussed.

Original languageEnglish
Pages (from-to)105-112
Number of pages8
JournalAnnales Zoologici
Volume69
Issue number1
DOIs
Publication statusPublished - 1 Mar 2019

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Tenebrionidae
deserts
desert
Coleoptera
new species
male genitalia
sympatry
rain
history
beetle
rainfall

Keywords

  • COI
  • Monumento Natural Paposo Norte
  • Nycteliini
  • Phylogeny

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

Cite this

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title = "A NEW SPECIES OF GYRIOSOMUS GUERIN-MENEVILLE (COLEOPTERA: TENEBRIONIDAE) FROM THE CHILEAN ATACAMA DESERT: Tenebrionidae) from the chilean atacama desert",
abstract = "Specimens of Gyriosomus (Tenebrionidae, Nycteliini) are conspicuous darkling beetles of the Chilean Atacama desert. Most species of this genus have restricted ranges and emerge as adults only after extensive rainfall. During the last blooming of the desert in 2017, we collected several specimens in the Monumento Natural Paposo Norte (Antofagasta region), which showed morphological differences, such as elytral pilosity pattern and shape of the pronotum, when compared with the sympatric Gyriosomus angustus and G. curtisi as well as other morphologically similar species (G. chango and G. barriai). We analyzed external morphology, female and male external genitalia, and the COI sequences of these specimens and compared these data with those of other species in that subregion. The results support the description of a new species, Gyriosomus camanchacasp. nov., which is more closely related to G. chango than to the sympatric species of the Monumento Natural Paposo Norte. The evolutionary history of Gyriosomus in the Paposo region and its importance for conservation are discussed.",
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A NEW SPECIES OF GYRIOSOMUS GUERIN-MENEVILLE (COLEOPTERA: TENEBRIONIDAE) FROM THE CHILEAN ATACAMA DESERT : Tenebrionidae) from the chilean atacama desert. / Predel, Reinhard; Zúñiga-Reinoso, Álvaro; Pinto, Pablo.

In: Annales Zoologici, Vol. 69, No. 1, 01.03.2019, p. 105-112.

Research output: Contribution to journalArticle

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