Ptilonyssus echinatus Berlese & Trouessart, 1889
Fig 107 (a). Ptilonyssus echinatus female dorsal habitus.
Fig 107 (b). Ptilonyssus echinatus female dorsum.
Fig 107 (c). Ptilonyssus echinatus female venter.
North American host records:
Hirundinidae:
Hirundo pyrrhonota,
Cliff Swallow
(George 1961; Pence 1975; Spicer 1987;
Knee et al. 2008)
Hirundo rustica,
Barn Swallow
(George 1961; Pence 1972, 1975; Spicer 1987; Knee et
al. 2008)
Riparia riparia,
Sand Martin
(Wilson 1964; Pence 1975)
Tachycineta bicolor,
Tree Swallow
(Pence 1975; Knee et al. 2008)
Diagnostic characteristics:
- two dorsal shields, podosomal and pygidial shields
- genital shield arrow-shaped, pointed terminus, 10 times longer than wide
- pygidial shield in two fragments with subposterior setal pair on the fragments
- sternal shield absent
- posterior margin of podosomal shield either medially straight with lateral lobes,
or trilobed, shield
highly reduced
- subapical ventral setal pair on tarsus IV are relatively long strong spikes
- seven or more pairs of ventral opisthosomal setae
- at least five 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 as long or almost
as long as 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
Bibliotheque Scientifique de l’Ouest,
2: 121-143.
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. 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.
Wilson, N. 1964. New records and descriptions of Rhinonyssidae, mostly from
New
Guinea (Acarina: Mesostigmata). Pacific
Insects, 6: 357-388.