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- Title
A New Genus of Sminthurididae (Collembola, Symphypleona) from Brazil, with Notes on the Systematics of the Family.
- Authors
Medeiros, Gleyce da Silva; Nunes, Rudy Camilo; Zhang, Feng; Godeiro, Nerivânia Nunes; Bellini, Bruno Cavalcante
- Abstract
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.
- Subjects
BRAZIL; COLLEMBOLA; SEXUAL dimorphism; COURTSHIP; MAXILLA
- Publication
Diversity (14242818), 2022, Vol 14, Issue 11, p960
- ISSN
1424-2818
- Publication type
Article
- DOI
10.3390/d14110960