A new species of Schoutedenichia Jadin & Vercammen-Grandjean, 1954 from Madagascar and a re-description of S. dutoiti (Radford, 1948) from South Africa (Acariformes: Trombiculidae)


A new chigger mite species, Schoutedenichia microcebi n. sp. is described from the grey mouse lemur Microcebus murinus (J.F. Miller) from Madagascar. The new species is closely related to S. dutoiti (Radford, 1948), a species described from a single specimen collected on a rodent in South Africa. Examination of the holotype and new material on S. dutoiti from South Africa enabled us to re-describe this species and provide new data on its hosts and geographical distribution.

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We are grateful to the Malagasy government, Ministère de l’Environnement, de l’Ecologie, et des Forêts, and Madagascar National Parks (MNP) for their permission to work in the Ankarafantsika National Park. We would like to thank Professor Solofonirina Rasoloharijaona, Professor Blanchard Randrianambinina and the Faculté des Sciences, Université de Mahajanga for assistance and training. We also thank Jean de la Croix and Johnny Kennedy for their guide services in the park. The reserve manager (Manyeleti), field and technical assistants and postgraduate students are thanks for their help and support during fieldwork in Mpumalanga Province, South Africa. We are grateful to Jan Beccaloni, curator of the collection of Arachnida at NHM, for her valuable assistance during the visit of A.A. Stekolnikov to the Museum. The first author appreciates his wife, Victoria A. Stekolnikova (ZIN), for her skilled help in slide preparation. Sadly, our co-author Elke Zimmermann passed away during the process of publishing the article. We will forever keep the memory of her as an outstanding researcher on Malagasy wildlife.


This work was funded by the Russian Foundation for Basic Research (grant number 16-04-00145-a, to A.A. Stekolnikov); PEO Scholar Award, NSF Dissertation Improvement Grant (#0961779), Lewis and Clark Fund of the American Philosophical Society, the Animal Behaviour Society, Sigma Xi (National Chapter, grant #G2009101504), Sigma Xi (Arizona State University chapter), American Society of Primatologists, Arizona State University School of Human Evolution and Social Change, the Arizona State University Graduate and Professional Student Association (to S.E. Kessler); Stellenbosch University and the National Research Foundation (South Africa) (grant number GUN 85718, to S. Matthee); and the University of Veterinary Medicine Hannover (to A.F. Hasiniaina, U. Radespiel, and E. Zimmermann).

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Correspondence to Alexandr A. Stekolnikov.

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The study was approved by Madagascar National Parks (2010 permits: N102/10/MEF/ SG/DGF/DCB.SAP /SCBSE, N103/10/MEF/SG/DGF/DCB.SAP/ SCBSE; 2011 permits: N101/11/MEF/SG/DGF /DCB.SAP/SCB, N102/11/MEF/SG/DGF/DCB.SAP/SCB) and the Arizona State University Institutional Animal Care and Use Committee (Protocol: 10-1077R). Fieldwork in Mpumalanga was approved by Mpumalanga Tourism and Parks Agency (permit number ES 5/14), Department of Agriculture, Forestry and Fisheries (Reference number 12/11/1/7/5) and the Animal Ethics Committees of Stellenbosch University (Reference number SU-ACM11- 00004) and Pretoria University (Reference number V046-14).

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Stekolnikov, A.A., Kessler, S.E., Matthee, S. et al. A new species of Schoutedenichia Jadin & Vercammen-Grandjean, 1954 from Madagascar and a re-description of S. dutoiti (Radford, 1948) from South Africa (Acariformes: Trombiculidae). Syst Parasitol 96, 703–713 (2019).

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