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Further Investigations on Melinopterus villarreali (Baraud, 1975) (Coleoptera, Scarabaeidae: Aphodiinae)

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Abstract

The chromosomes of Melinopterus villarreali (Baraud, 1975) have been reinvestigated based on new material from Meia Praia, Portugal. It was found that all the specimens examined, including two with completely dark clypei, were referable to M. villarreali. No M. sphacelatus (Panzer, 1798) was found. Many of the specimens had the eighth elytral striae distinctly abbreviated basally, atypical of M. sphacelatus group species. Because of this the karyotypes of M. villarreali and M. tingens (Reitter, 1892) have been reinvestigated, and it was found that in M. tingens the size decrease between autosomes 1 and 2 was greater than in M. villarreali.

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REFERENCES

  1. Angus, R.B., A chromosomal analysis of eight species of Melinopterus (Coleoptera, Scarabaeidae: Aphodiinae), Entomol. Rev., 2019, vol. 99, no. 7, p. 859.

  2. Rößner, E., Die paläarktischen Arten der Gattung Melinopterus Mulsant, 1842 (Insecta: Coleoptera: Scarabaeidae: Aphodiinae, Vernate (Continuation of Veröffentlichungen des Naturkundemuseums Erfurt), 2018, vol. 37, p. 209.

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ACKNOWLEDGMENTS

I thank Eckehard Rößner for valuable information and encouragement, and Tristão Branco for sharing his information about M. villarreali and his suggestions of places to stay in the Algarve. I also thank the Natural History Museum, London for the use of its facilities and my continuing position of a Scientific Associate in the Department of Life Sciences (Insects).

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  1. Department of Life Sciences (Insects), The Natural History Museum, Cromwell Road, SW7 5BD, London, UK

    R. B. Angus

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  1. R. B. Angus
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Correspondence to R. B. Angus.

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All applicable international, national, and institutional guidelines for the care and use of animals were followed. All procedures performed in studies involving animals were in accordance with the ethical standards of the institution or practice at which the studies were conducted.

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Angus, R.B. Further Investigations on Melinopterus villarreali (Baraud, 1975) (Coleoptera, Scarabaeidae: Aphodiinae). Entmol. Rev. 100, 532–535 (2020). https://doi.org/10.1134/S0013873820040119

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  • DOI: https://doi.org/10.1134/S0013873820040119

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