Two New Species of Sminthurides Börner, 1900 (Collembola: Sminthurididae) from Mexico with Comments on the Genus and a Key to the Members from the Americas

Ferreira, Aila Soares; Arango, Ángela; Palacios‐Vargas, José G.

doi:10.1007/s13744-020-00831-5

Cited by 3 publications

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“…TAXONOMY Class Collembola Lubbock, 1870 Order Symphypleona Börner, 1901Superfamily Sminthuridoidea Börner, 1906 sensu Fjellberg, 1989Family Sminthurididae Börner, 1906sensu Betsch, 1980Genus Sminthurides Börner, 1900 Complement to the diagnosis of Sminthurides Börner modified from Ferreira et al (2021). Cuticular primary ornamentation hexagonal, as that found at big alveoli of trichobothria (Fig.…”

Section: Resultsmentioning

confidence: 99%

NEW AQUATIC Sminthurides Börner SPECIES (COLLEMBOLA: SMINTHURIDIDAE) FROM TABASCO, MEXICO

Palacios-Vargas

2022

Fol. Entomol. Mex.

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Complement to the diagnosis of Sminthurides Börner is given and illustrated with Scanning Electron Microscopy (SEM) photos, and a new Mexican species of this genus is described with specimens from Tabasco State. It belongs to penicillifer group, characterized by the presence of two trichobothria on second antennal segment. Males of the new species are distinguished by a triangular cavity in Ant II and a reduced labial chaetotaxy, females with Ant. IV subdivided into 9 subsegments and abundant labial chaetotaxy. A discussion of the variability of some characters, as teeth and empodial filament of unguis III are discussed and illustrated, and the use of new morphological structures, as postlabial chaetotaxy and setation of ventral Abd. IV for the taxonomy of this genus are proposed and included in this contribution.

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Section: Resultsmentioning

confidence: 99%

NEW AQUATIC Sminthurides Börner SPECIES (COLLEMBOLA: SMINTHURIDIDAE) FROM TABASCO, MEXICO

Palacios-Vargas

2022

Fol. Entomol. Mex.

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“… Sminthurididae Börner, 1906 is a family of Symphypleona ( Collembola ) with approximately 155 valid species distributed in one extinct and 12 extant genera ( Bellinger et al 1996–2023 ). Regarding the living genera, six are monospecific, while Sphaeridia Linnaniemi, 1912, Sminthurides Börner, 1900 and Denisiella Folsom & Mills, 1938 represent the largest lineages in the family, with 69, 60 and 13 valid species, respectively ( Bellinger et al 1996–2023 ; Ferreira et al 2021 ; Medeiros et al 2022 ). The family is mainly characterized by the high sexual dimorphism of the antennae, clasper-shaped in males and mostly unmodified in females, the remarkable reduced size of males compared to females, the spherical and short ventral tube sacs, the presence of all abdominal bothriothicha (A–E), and absence of the subanal appendage in females ( Richards 1968 ; Betsch 1980 ; Bretfeld 1999 ).…”

Section: Introductionmentioning

confidence: 99%

Two new species of Sminthurididae (Hexapoda, Collembola, Symphypleona) from Brazil with notes on Denisiella Folsom & Mills and Sphaeridia Linnaniemi

Medeiros,

Silva,

França

et al. 2023

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Two new species of Sminthurididae, Sphaeridia piauiensis Medeiros & Bellini, sp. nov. and Denisiella piracurucaensis Silva, Medeiros & Bellini, sp. nov. from Piaui state, Brazil, are herein described and illustrated. Sphaeridia piauiensissp. nov. resembles species of the irmleri group, like S. irmleri Bretfeld & Gauer, S. fibulifera Bretfeld & Gauer, and S. peruensis Bretfeld & Schulz, by its complex male ventral tube without asymmetrical structures or medial process. However, it differs from them by the combination of the male tibiotarsus III with a leaf-shaped IIpe chaeta and a regular IIIpi chaeta, ventral tube with 1+1 chaetae, and the absence cuticular hooks on the furca. Denisiella piracurucaensissp. nov. resembles its congeners without the nasal organ, especially D. colombiana Ospina & Palacios-Vargas, by the presence of spiniform chaetae at least on the second antennal segment of the females, four serrated spines on tibiotarsus III, and the ventral dens chaetotaxy, but D. piracurucaensissp. nov. differs from the latter especially by the presence of 8+8 eyes and the shape of the male proximal tibiotarsal organ. To describe both species all Neotropical Sphaeridia and all described Denisiella species were surveyed, presenting notes on both genera, comparative tables, and keys for these taxa.

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A New Genus of Sminthurididae (Collembola, Symphypleona) from Brazil, with Notes on the Systematics of the Family

Medeiros

Nunes²,

Zhang

et al. 2022

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The Sminthurididae family includes Symphypleona species highly adapted to courtship, with males exhibiting remarkable modifications on their antennae. Here we describe a new Neotropical genus and species of Sminthurididae from a Cerrado-Caatinga ecotonal zone in Brazil. Males of Parasminthurides spinosus gen. nov. sp. nov. have highly dimorphic antennal claspers similar to those of Sminthurides, but its females have unique strong spiniform chaetae on antennal segments II and III as well, which are possibly accessories for the courtship. The new genus can also be diagnosed by its elongated maxillae, males having large dorsal vesicles between abdomen II and III, ungues I–III with similar morphology and sizes, and interno-apical dental chaetae modified into large spiniform chaetae. We also present the main diagnostic features of all Sminthurididae genera, providing a comparative table and an updated identification key for them. Finally, we discuss the previous and current knowledge on the family’s systematics, suggesting some perspectives for future studies in this field.

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Two New Species of Sminthurides Börner, 1900 (Collembola: Sminthurididae) from Mexico with Comments on the Genus and a Key to the Members from the Americas

Cited by 3 publications

References 8 publications

NEW AQUATIC Sminthurides Börner SPECIES (COLLEMBOLA: SMINTHURIDIDAE) FROM TABASCO, MEXICO

NEW AQUATIC Sminthurides Börner SPECIES (COLLEMBOLA: SMINTHURIDIDAE) FROM TABASCO, MEXICO

Two new species of Sminthurididae (Hexapoda, Collembola, Symphypleona) from Brazil with notes on Denisiella Folsom & Mills and Sphaeridia Linnaniemi

A New Genus of Sminthurididae (Collembola, Symphypleona) from Brazil, with Notes on the Systematics of the Family

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Two New Species of Sminthurides Börner, 1900 (Collembola: Sminthurididae) from Mexico with Comments on the Genus and a Key to the Members from the Americas

Cited by 3 publications

References 8 publications

NEW AQUATIC Sminthurides Börner SPECIES (COLLEMBOLA: SMINTHURIDIDAE) FROM TABASCO, MEXICO

NEW AQUATIC Sminthurides Börner SPECIES (COLLEMBOLA: SMINTHURIDIDAE) FROM TABASCO, MEXICO

﻿Two new species of Sminthurididae (Hexapoda, Collembola, Symphypleona) from Brazil with notes on Denisiella Folsom &amp; Mills and Sphaeridia Linnaniemi

A New Genus of Sminthurididae (Collembola, Symphypleona) from Brazil, with Notes on the Systematics of the Family

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Two new species of Sminthurididae (Hexapoda, Collembola, Symphypleona) from Brazil with notes on Denisiella Folsom & Mills and Sphaeridia Linnaniemi