A new species of Stempellina Thienemann &amp; Bause from Mato Grosso do Sul, Brazil (Diptera, Chironomidae)

Fusari, Lívia Maria; Lamas, Carlos José Einicker

doi:10.1590/s0085-56262014000300004

Cited by 2 publications

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References 2 publications

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“…Today, the genus Stempellinella (subtribe Zavreliina Saether, 1977) is represented by 20 extant species distributed worldwide (Ekrem 2007, Guo & Wang 2007, Fusari & Lamas 2014, and five fossil species known from Eocene resins, mainly from ambers of the Baltic region (called Baltic amber, ~40-45 Ma): S. bicorna Seredszus et Wichard, 2007, S. ivanovae Giłka et Zakrzewska, 2014, S. electra Giłka et Zakrzewska, 2015 and S. fibra Giłka, Zakrzewska et Krzemiński, 2016(Seredszus & Wichard 2007, Zakrzewska & Giłka 2014, 2015a; S. pollex Giłka et Zakrzewska, 2020, is the only Eocene representative described from outside the Baltic region (early Eocene Cambay amber, ~54 Ma, Gujarat, India), what makes this species both the oldest known in the genus and one of the oldest Tanytarsini (Zakrzewska et al 2020).…”

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confidence: 99%

A new fossil Stempellinella from Eocene Baltic amber, with systematic notes and amendment of the generic diagnosis (Diptera: Chironomidae)

Zakrzewska

Jankowska

2021

Zootaxa

433

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Stempellinella gilkai sp. nov., an Eocene non-biting midge of the subfamily Chironominae, tribe Tanytarsini is described on the basis of the adult male. This is the sixth fossil representative of the genus and the fifth described from Baltic amber (~40–45 Ma). The species displays a set of morphological characters typical of the genus. To facilitate a delimitation of fossil Stempellinella, a comparison of the most significant characters is provided. The key features of antenna and hypopygium are discussed in detail. A comparative analysis of both extinct and extant Stempellinella representatives allowed to perform an amendment of the current generic diagnosis. Notes on the genus’ palaeoecology and species richness during the Eocene are also included.

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Section: Introductionmentioning

confidence: 99%

A new fossil Stempellinella from Eocene Baltic amber, with systematic notes and amendment of the generic diagnosis (Diptera: Chironomidae)

Zakrzewska

Jankowska

2021

Zootaxa

433

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<p><strong>The Tanytarsini (Diptera: Chironomidae) in the collection of the Museum of Amber Inclusions, University of Gdańsk</strong></p>

Zakrzewska¹,

Giłka²

2015

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Non-biting midges of the tribe Tanytarsini collected in the Museum of Amber Inclusions, University of Gdańsk, Poland, are reviewed. Among over 1500 chironomid specimens examined (inclusions in Baltic amber), 44 Tanytarsini individuals were found, of which 27 well preserved specimens were determined to 7 species, including 3 species described as new. Stempellinella electra sp. nov. (male) displays morphological hypopygial characters unique for the genus, and the antenna composed of 13 flagellomeres. A new checklist of fossil and extant species of this genus is also given, including Stempellinella sofiae (Fusari et Lamas, 2014) comb. nov. Tanytarsus glaesarius sp. nov. (male) is the only Eocene species of the genus with a reduced number of antennal flagellomeres. Tanytarsus protogregarius sp. nov. (male) is the oldest known representative of the gregarius species group. Notes on phylogenetic relations of the new species with their extant congeners are also provided.

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A new species of Stempellina Thienemann & Bause from Mato Grosso do Sul, Brazil (Diptera, Chironomidae)

Cited by 2 publications

References 2 publications

A new fossil Stempellinella from Eocene Baltic amber, with systematic notes and amendment of the generic diagnosis (Diptera: Chironomidae)

A new fossil Stempellinella from Eocene Baltic amber, with systematic notes and amendment of the generic diagnosis (Diptera: Chironomidae)

<p><strong>The Tanytarsini (Diptera: Chironomidae) in the collection of the Museum of Amber Inclusions, University of Gdańsk</strong></p>

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