Distribution and Occurrence of Amblyomma maculatum sensu lato (Acari: Ixodidae) and Rickettsia parkeri (Rickettsiales: Rickettsiaceae), Arizona and New Mexico, 2017

Distribution and Occurrence of Amblyomma maculatum sensu lato (Acari: Ixodidae) and Rickettsia parkeri (Rickettsiales: Rickettsiaceae), Arizona and New Mexico, 2017–2019

Published:2020-07-10 Issue:6 Volume:57 Page:2030-2034
ISSN:0022-2585
Container-title:Journal of Medical Entomology
language:en
Short-container-title:

Author:

Hecht Joy A¹,Allerdice Michelle E J¹,Karpathy Sandor E¹,Yaglom Hayley D²,Casal Mariana³,Lash R Ryan⁴,Delgado-de la Mora Jesus⁵,Licona-Enriquez Jesus D⁶,Delgado-de la Mora David⁷,Groschupf Kathleen⁸,Mertins James W⁹,Moors Amanda¹⁰,Swann Don E¹¹,Paddock Christopher D¹

Affiliation:

1. Division of Vector Borne and Zoonotic Diseases, Centers for Disease Control and Prevention, Atlanta, GA

2. Pathogen & Microbiome Division, Translational Genomics Research Institute, Flagstaff, AZ

3. Infectious Disease Epidemiology Surveillance, Pinal County Public Health Services District, Florence, AZ

4. Division of Parasitic Diseases and Malaria, Centers for Disease Control and Prevention, Atlanta, GA

5. Department of Pathology, Instituto Nacional de Ciencias Médicas y Nutrición Salvador Zubirán, delegación Tlaplan, Ciudad de Mexico, México

6. Hospital de Pediatría Centro Médico Nacional Siglo XXI, Mexico City, Mexico

7. National Autonomous University of Mexico, Mexico City, Mexico

8. Ornithological Consulting, Amado, AZ

9. National Veterinary Services Laboratories, Ames, IA

10. Moors Wildlife Management Services, Globe, AZ

11. Saguaro National Park, Tucson, AZ

Abstract

Abstract Amblyomma maculatum Koch sensu lato (s.l.) ticks are the vector of Rickettsia parkeri in Arizona, where nine cases of R. parkeri rickettsiosis have been identified since the initial case in 2014. The current study sought to better define the geographic ranges of the vector and pathogen and to assess the potential public health risk posed by R. parkeri in this region of the southwestern United States. A total of 275 A. maculatum s.l. ticks were collected from 34 locations in four counties in Arizona and one county in New Mexico and screened for DNA of Rickettsia species. Rickettsia parkeri was detected in 20.4% of the ticks, including one specimen collected from New Mexico, the first report of R. parkeri in A. maculatum s.l. from this state. This work demonstrates a broader distribution of A. maculatum s.l. ticks and R. parkeri in the southwestern United States than appreciated previously to suggest that R. parkeri rickettsiosis is underrecognized in this region.

Publisher

Oxford University Press (OUP)

Subject

Infectious Diseases,Insect Science,General Veterinary,Parasitology

Link

http://academic.oup.com/jme/article-pdf/57/6/2030/34285983/tjaa130.pdf

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