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

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

| Introduction | Materials and Methods | Results and Discussion | Keys | References | PDF 63.2 MB | Cite this Article |

Wayne Knee*, and Heather Proctor**

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

Labeled diagrams:
- Generalized rhinonyssid female, dorsal aspect, showing major body regions
- Generalized rhinonyssid female, dorsal aspect, details of shields and setation
- Generalized rhinonyssid female, ventral aspect

Key to Rhinonyssidae genera of Canada:


1. Female genital shield present between coxa IV 2 (Female)
- Sternogenital shield with male gonopore anteromedially Male - not keyed further
2. Chelicerae distally attenuated, digits minute 6
- Chelicerae approximately uniform diameter, digits robust 3
3. Posterior adhesive disk present Rallinyssus
- Posterior adhesive disk absent 4
4. Chelicerae with one digit, Strigiformes host species Rhinoecius
- Chelicerae with two digits, host not a strigiform species 5
5. Peritreme absent Rhinonyssus
- Peritreme present Tinaminyssus
6. Peritreme always absent, gnathosoma ventroterminal, anus terminal Sternostoma
- Peritreme present (except absent in Ptilonyssus angrensis, P. vireonis, and P. hoseini which
do show the following character states), gnathosoma terminal, anus ventroterminal