Chigger Mites (Acariformes: Trombiculidae) of Chiloé Island, Chile, With Descriptions of Two New Species and New Data on the Genus Herpetacarus

Author:

Silva-de la Fuente María Carolina1,Stekolnikov Alexandr A2ORCID,Weitzel Thomas34,Beltrami Esperanza15,Martínez-Valdebenito Constanza67,Abarca Katia78,Acosta-Jamett Gerardo19

Affiliation:

1. Instituto de Medicina Preventiva Veterinaria, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile

2. Zoological Institute of the Russian Academy of Sciences, Saint Petersburg, Russia

3. Laboratorio Clínico, Clínica Alemana, Facultad de Medicina Clínica Alemana, Universidad del Desarrollo, Santiago, Chile

4. Hantavirus and Zoonoses Program, Instituto de Ciencias e Innovación en Medicina (ICIM), Facultad de Medicina Clínica Alemana, Universidad del Desarrollo, Santiago, Chile

5. Escuela de Graduados, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile

6. Laboratorio de Infectología y Virología Molecular, Red Salud UC–Christus, Santiago, Chile

7. Departamento de Enfermedades Infecciosas e Inmunología Pediátricas, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile

8. Millennium Institute on Immunology and Immunotherapy, Escuela de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile

9. Programa de Investigación Aplicada en Fauna Silvestre, Facultad de Ciencias Veterinarias, Universidad Austral de Chile, Valdivia, Chile

Abstract

Abstract Three species of chigger mites are recorded in our collections from four species of cricetid rodents on Chiloé Island (southern Chile, Los Lagos Region), an area endemic to scrub typhus (Orientia sp.). Two species are described as new—Herpetacarus (Abonnencia) eloisae sp. nov. and Quadraseta chiloensis sp. nov. One species, Paratrombicula goffiStekolnikov and González-Acuña 2012, is for the first time recorded on a mammal host (one species of cricetid rodent), and its distribution is extended to the Los Lagos Region of Chile. The genus ProschoengastiaVercammen-Grandjean, 1967 is synonymized with the subgenus Herpetacarus (Abonnencia)Vercammen-Grandjean, 1960, and four new combinations are established: Herpetacarus (Abonnencia) herniosa (Brennan and Jones, 1961), comb. nov., Herpetacarus (Abonnencia) insolita (Brennan and Jones, 1961), comb. nov., Herpetacarus (Abonnencia) macrochaeta (Brennan and Jones, 1961), comb. nov., and Herpetacarus (Abonnencia) antarctica (Stekolnikov and Gonzalez-Acuña, 2015), comb. nov.

Funder

Ministry of Science and Higher Education of the Russian Federation

Fondo Nacional de Desarrollo Científico y Tecnológico

Comisión Nacional de Investigación Científica y Tecnológica

Publisher

Oxford University Press (OUP)

Subject

Infectious Diseases,Insect Science,General Veterinary,Parasitology

Reference52 articles.

1. Tifus de los matorrales, una enfermedad emergente en Chile;Abarca;Rev. Chil. Infectol,2018

2. Molecular description of a novel Orientia species causing scrub typhus in South America;Abarca;Emerg. Infect. Dis,2020

3. Identification of trombiculid mites (Acari: Trombiculidae) on rodents from Chiloé Island and molecular evidence of infection with Orientia species;Acosta-Jamett;PLoS Negl. Trop. Dis,2020

4. Endemic scrub typhus-like illness, Chile;Balcells;Emerg. Infect. Dis,2011

5. A small collection of chiggers from Surinam (Acarina: Trombiculidae);Brennan;Bull. South. Calif. Acad. Sci,1970

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