ISSN 1911-2173

Fig 114 (a). Ptilonyssus acrocephali female dorsal habitus.

Fig 114 (b). Ptilonyssus acrocephali female dorsum.

Fig 114 (c). Ptilonyssus acrocephali female venter.

North American host records:
Regulus calendula, Ruby-crowned Kinglet (Pence 1972, 1975; Spicer 1987; Knee et al. 2008)

Diagnostic characteristics:
– two dorsal shields, podosomal and pygidial shields
– posterior margin of podosomal shield medially straight with lateral lobes, shield highly reduced
– st1 on sternal shield, st2 and st3 off shield
– subapical ventral setal pair on tarsus IV are relatively long strong spikes
– six pairs of ventral opisthosomal setae
– five pairs of mesolateral setae
– at least two pairs of mesolateral setae twice as long as other mesolateral setae
– subposterior pair of dorsal podosomal setae are as long or almost as long as the longest mesolateral setae
– paranal setae level with anal opening, paranal and postanal setae are equal or almost equal in length

Fain, A. 1964. Les acariens parasites nasicoles des oiseaux de Belgique. IV. Notes sur quelques
        Rhinonyssidae avec description de deux especes nouvelles. Bulletin and Annales de la Societe
        Royale d’Entomologie de Belgique, 100: 55-61.
Knee, W., Proctor, H., and Galloway, T. 2008. Survey of nasal mites (Rhinonyssidae, Ereynetidae,
        and Turbinoptidae) associated with birds in Alberta and Manitoba, Canada. Canadian Entomologist,
: 364-379.
Pence, D.B. 1972. The nasal mites of birds from Louisiana IV. The genus Ptilonyssus (Dermanyssidae:
        Rhinonyssinae) with a description of two new species. Journal of Parasitology, 58: 1162-1169.
Pence, D.B. 1975. Keys, species and host list, and bibliography for nasal mites of
        North American birds (Acarina: Rhinonyssinae, Turbinoptinae,
        Speleognathinae, and Cytoditidae). Special Publications of the Museum Texas
        Tech University, 8: 1-148.
Spicer, G.S. 1987. Prevalence and host-parasite list of some nasal mites from birds (Acarina:
        Rhinonyssidae, Speleognathidae). Journal of Parasitology, 73: 259-264.