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Interactive HTML-based Dichotomous Key to Female Rhinonyssidae
(Mesostigmata) from Birds in Canada

CJAI 09 January 25, 2010
doi: 10.3752/cjai.2010.09

Wayne Knee*, and Heather Proctor**

* Carleton University, 1125 Colonel By Drive, Department of Biology, 209 Nesbitt Bldg, Ottawa, ON, K1S 5B6. wknee@connect.carleton.ca **University of Alberta, Department of Biological Sciences, CW 405 Biological Sciences Building, Edmonton AB, T6G 2E9. hproctor@ualberta.ca

Key to females of Tinaminyssus species known from Canada:

1. Poststigmatal platelet absent, five or fewer pairs of ventral opisthosomal setae Tinaminyssus columbae
- Poststigmatal platelet present, ten or more pairs of ventral opisthosomal setae 2
2. Paranal setae anterior to anus, opisthosomal shield narrows posteriorly, posterior portion is less than 1/2 the width of the anterior portion

Tinaminyssus melloi

- Paranal setae level with anus, opisthosomal shield occupying most of the dorsal opisthosoma Tinaminyssus zenaidurae