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Knyshov A, Weirauch C, Hoey-Chamberlain R. Phylogenetic relationships and revised classification of the true bug infraorder Dipsocoromorpha (Insecta: Hemiptera: Heteroptera). Cladistics. 2020;37(3):248-275doi: 10.1111/cla.12435.
Knyshov, A., Weirauch, C., & Hoey-Chamberlain, R. (2021). Phylogenetic relationships and revised classification of the true bug infraorder Dipsocoromorpha (Insecta: Hemiptera: Heteroptera). Cladistics : the international journal of the Willi Hennig Society, 37(3), 248-275. https://doi.org/10.1111/cla.12435
Knyshov, Alexander, et al. "Phylogenetic relationships and revised classification of the true bug infraorder Dipsocoromorpha (Insecta: Hemiptera: Heteroptera)." Cladistics : the international journal of the Willi Hennig Society vol. 37,3 (2021): 248-275. doi: https://doi.org/10.1111/cla.12435
Knyshov A, Weirauch C, Hoey-Chamberlain R. Phylogenetic relationships and revised classification of the true bug infraorder Dipsocoromorpha (Insecta: Hemiptera: Heteroptera). Cladistics. 2021 Jun;37(3):248-275. doi: 10.1111/cla.12435. Epub 2020 Nov 04. PMID: 34478197.
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Cladistics. 2021 Jun;37(3):248-275. doi: 10.1111/cla.12435. Epub 2020 Nov 04.

Phylogenetic relationships and revised classification of the true bug infraorder Dipsocoromorpha (Insecta: Hemiptera: Heteroptera).

Cladistics : the international journal of the Willi Hennig Society

Alexander Knyshov, Christiane Weirauch, Rochelle Hoey-Chamberlain

Affiliations

  1. Department of Entomology, University of California Riverside, 900 University Avenue, Riverside, CA, 92521, USA.

PMID: 34478197 DOI: 10.1111/cla.12435

Abstract

Currently comprising only about 430 species, Dipsocoromorpha or minute litter bugs are one of the small infraorders of Heteroptera. They are classified into five morphologically distinct families--Ceratocombidae, Dipsocoridae, Hypsipterygidae, Schizopteridae and Stemmocryptidae--but relationships among and within these families are poorly understood owing to the lack of phylogenetic studies. A phylogenetic hypothesis based on combined molecular and morphological data is important to both evaluate and revise the higher-level classification and to explore the evolutionary history of morphological features including elytriform (or beetle-like) forewings, that seem to have evolved multiple times in this group, jumping devices, and the highly modified and diverse male genitalia. We here use a dataset combining Sanger-derived (~4500 bp; 108 taxa) and Illumina-generated (~7500 bp; 24 taxa) sequence data with a morphological matrix (159 characters) and taxon sampling that comprises all currently recognized family-, subfamily- and tribal-level taxa and comprehensive genus-level sampling to investigate phylogenetic relationships within litter bugs. Our results support the monophyly of Dipsocoromorpha, Schizopteridae and Dipsocoridae, whereas Ceratocombidae and the schizopterine subfamily "Ogeriinae" are polyphyletic and paraphyletic, respectively. A new classification is proposed that recognizes six families, including Trichotonannidae, stat.n., and two subfamilies each within the two larger families Ceratocombidae and Schizopteridae. Ancestral state reconstructions outline the complex evolutionary history of many morphological characters, including 15 independent origins of elytriform forewings, and at least five shifts in the degree of genitalic asymmetry.

© The Willi Hennig Society 2020.

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