Fig 110 (a). Ptilonyssus nudus female dorsal habitus.

Fig 110 (b). Ptilonyssus nudus female dorsum.

Fig 110 (c). Ptilonyssus nudus female venter.

North American host records:
Hirundinidae:
Hirundo rustica, Barn Swallow (Pence 1975)
Riparia riparia, Sand Martin (Pence 1975)

Paridae:
Parus atricapillus, Black-capped Chickadee (Pence 1975)

Passeridae:
Passer domesticus, House Sparrow (Porter and Strandtmann 1952; George 1961; Wilson 1964; Pence 1975; Knee et al. 2008)

Sturnidae:
Sturnus vulgaris, Common Starling (Pence 1975)

Diagnostic characteristics:
– two dorsal shields, podosomal and pygidial shields
– posterior margin of podosomal shield is rounded
– st1 st2 and st3 on the sternal shield
– subapical ventral setal pair on tarsus IV are relatively long strong spikes
– seven pairs of ventral opisthosomal setae
– three pairs of mesolateral setae
– mesolateral setae all approximately equal in length, there are not two pairs of setae that are twice as long as another setal pair
– subposterior pair of dorsal podosomal setae are less than half the length of the longest mesolateral setae
– paranal setae posterior to anal opening, paranal and postanal setae are equal or almost equal in length

References:
Berlese, A., and E.L. Trouessart. 1889. Diagnoses d’acariens nouveaux ou peu connus. Bulletin de la
        Societe de Sciences Naturelles de l’Ouest de la France (Nantes), 2: 126-130.George, J.E. 1961. The nasal mites of the genus Ptilonyssus (Acarina: Rhinonyssidae)
        occuring on some north american passerifrom birds. Kansas Entomological
        Society, 34: 105-132.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,
        140
: 364-379.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.
Porter, J.C. and Strandtmann, R.W. 1952. Nasal mites of the English Sparrow. The Texas
        Journal of Science, 4: 393-399.
Wilson, N. 1964. New records and descriptions of Rhinonyssidae, mostly from New
        Guinea (Acarina: Mesostigmata). Pacific Insects, 6: 357-388.

back