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A New Species of Elianella Vercammen-Grandjean (Trombidiformes: Trombiculidae) from the Insular Equatorial Guinea with a Key to the Species into this Genus

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Abstract

Purpose

The African continent has 452 chiggers (Trombidiformes: Trombiculidae) in 61 genera. One of these, Elianella Vercammen-Grandjean, 1956, has only two species known for Africa. The objective of the present study is to describe a new species for Equatorial Guinea, with the aim of increasing knowledge so scarce for Africa.

Methods

In this study, we provide drawings, measurements and microscopy images on a Microscope Zeiss for the new species described below. Also, this type of the new species is deposited in the USNM.

Results

We describe a new species of Elianella collected parasitizing the Bioko Forest Shrew, Sylvisorex isabellae Heim de Balsac (Eulipotyphla: Soricidae) from the insular Equatorial Guinea. Also, we are providing a key for the three species of Elianella.

Conclusion

Finally, we are contributing to the knowledge of African species, due the fact this new species is the first chigger recorded to the Equatorial Guinea, on the west coast of Central Africa.

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Acknowledgements

To Dr. Peter Schwendinger, curator of the Arachnida collection at the Natural History Museum of Geneva for his valuable contribution in providing information and photographs of the types of E. anomaluri. To Gabrielle Ribeiro de Andrade, Maria Cristina Ferreira do Rosário (LCZ-IBu), Debra Creel, Andrew Ulsamer (SEL-USDA), Armando Rosario-Lebron (APHIS-USDA), the Smithsonian Natural History Museum and National Agricultural Library (NAL-USDA) for their help with references and technical support. This work was supported by Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq no. 440639/2015-8 to DMB-B; and 377976/2014-8 to FCJ), Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP no. 2010/51875-9 to DMB-B; 2019/19853-0 to FCJ; 2017/01416-7 and 2018/24667-8 to RB-S). This study was financed in part by the Coordenação de Aperfeiçoamento de Pessoal de Nível Superior—Brasil (CAPES) – Finance Code 001. Mention of trade names or commercial products in this publication is solely for the purpose of providing specific information and does not imply recommendation or endorsement by the USDA; USDA is an equal opportunity provider and employer.

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Authors and Affiliations

  1. Faculdade de Medicina Veterinária e Zootecnia da, Departamento de Medicina Veterinária Preventiva e Saúde Animal, Universidade de São Paulo-FMVZ-USP, Prof. Dr. Orlando Marques de Paiva Avenue, 87, São Paulo, 05508270, Brazil

    Ricardo Bassini-Silva, Matheus Huang-Bastos & Darci Moraes Barros-Battesti

  2. Laboratório de Coleções Zoológicas, Instituto Butantan, São Paulo, SP, Brazil

    Ricardo Bassini-Silva, Matheus Huang-Bastos & Fernando de Castro Jacinavicius

  3. Smithsonian Institution, National Museum of Natural History, National Insect and Mite Collection, Washington, DC, USA

    Cal Welbourn

  4. Systematic Entomology Laboratory, United States Department of Agriculture, Agricultural Research Service, Beltsville, MD, USA

    Ron Ochoa

  5. Faculdade de Ciências Agrárias e Veterinárias, Departamento de Patologia, UNESP, Reprodução e Saúde Única, Jaboticabal, SP, Brazil

    Darci Moraes Barros-Battesti

Authors
  1. Ricardo Bassini-Silva
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  2. Matheus Huang-Bastos
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  3. Cal Welbourn
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  4. Ron Ochoa
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  5. Darci Moraes Barros-Battesti
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  6. Fernando de Castro Jacinavicius
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Corresponding author

Correspondence to Ricardo Bassini-Silva.

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Bassini-Silva, R., Huang-Bastos, M., Welbourn, C. et al. A New Species of Elianella Vercammen-Grandjean (Trombidiformes: Trombiculidae) from the Insular Equatorial Guinea with a Key to the Species into this Genus. Acta Parasit. 66, 997–1002 (2021). https://doi.org/10.1007/s11686-021-00375-7

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