Biology:Maindroniidae

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Maindroniidae is a small family of silverfish, basal insects belonging to the order Zygentoma. It contains a single genus, Maindronia, and a handful of species.

Four species of these insects are found in deserts: in Sudan, the Arabian Peninsula, and the Atacama Desert on the west coast of Chile. The distribution of these closely related species suggests that Maindronia is a Gondwanan relict group.[1] In 2020, a new species in this family, Maindronia bashagardensis, was discovered in Hormozgan province, Iran.[2] There are no known existing specimen or illustrations of Maindronia mascatensis, and Maindroniidae has been suggested being divided into two subfamilies:

Atacaminae, currently comprises two described species:[3]

  • Atacamus neotropicalis Wygodzinsky, 1940 - Chile
  • Peruatacamus atunpacha Irish, ñiga-Reinoso & Predel, 2025 - Perú

Maindroniinae, which includes three remaining species.[3]

  • Maindronia bashagardensis Smith & Molero-Baltanás, 2020 – Iran
  • Maindronia beieri Schremmer, 1964 – Sudan
  • Maindronia mascatensis Bouvier, 1897 – Oman and UAE

In 2019, a phylogenetic study using the Cytochrome c oxidase subunit I and the 18S genes showed that Maindronia neotropicalis, inhabiting the Chilean Atacama desert, is an assemblage of five genetic lineages that diverged from a common ancestor around 15 million years ago. All of these five lineages are likely well-separated species, and await formal description.[1][4]

References

  1. 1.0 1.1 Zúñiga-Reinoso, Alvaro; Predel, Reinhard (November 2019). "Past climatic changes and their effects on the phylogenetic pattern of the Gondwanan relict Maindronia (Insecta: Zygentoma) in the Chilean Atacama Desert". Global and Planetary Change 182. doi:10.1016/j.gloplacha.2019.103007. Bibcode2019GPC...18203007Z. 
  2. Smith, Graeme B.; Molero-Baltanás, Rafael; Jaberhashemi, Seyed Aghil; Rafinejad, Javad (11 March 2020). "A new species of Maindronia Bouvier, 1897 from Iran (Zygentoma: Maindroniidae)". Records of the Australian Museum 72 (1): 9–21. doi:10.3853/j.2201-4349.72.2020.1760. https://media.australian.museum/media/dd/documents/1760_complete.2ebbb1c.pdf?_gl=1*1sll17z*_ga*MzQ0MDA1MTU0LjE2NzY2Mzc0NTI.*_ga_PZ3L84LQDF*MTY3NjYzNzQ1MS4xLjEuMTY3NjYzNzQ3Ni4zNS4wLjA.&_ga=2.190881130.1759734034.1676637452-344005154.1676637452. 
  3. 3.0 3.1 Irish, John; Zúñiga-Reinoso, Álvaro; Cieszynski, Hanna; Pohl, Hans; Predel, Reinhard (2025). "New genera of Neotropical Maindroniidae, with a redescription of Maindronia neotropicalis (Insecta, Zygentoma)". Zoologischer Anzeiger 319: 349–377. doi:10.1016/j.jcz.2025.10.010. https://www.sciencedirect.com/science/article/pii/S0044523125001263. 
  4. "Life at the limit: creatures similar to silverfish discovered in Earth's driest desert" (Press release). University of Cologne. 24 March 2020.

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