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Paraspiralatus sakeri n. g., n. sp. (Nematoda: Spiruroidea, Spirocercidae) from saker falcons, Falco cherrug in Saudi Arabia and the first report of larvae from the subcutaneous tissues of houbara bustards, Chlamydotis undulata macqueeni in Pakistan

Published online by Cambridge University Press:  12 April 2024

L.M. Gibbons ,
P.K. Nicholls ,
T. Bailey  and
J. Samour
L.M. Gibbons*
Affiliation:
Department of Pathology and Infectious Diseases, The Royal Veterinary College, University of London, Hawkshead Lane, North Mymms, Hatfield, Hertfordshire, AL9 7TA, UK
P.K. Nicholls
Affiliation:
Division of Veterinary and Biomedical Sciences, Murdoch University, South Street, Murdoch, WA 6150, Australia
T. Bailey
Affiliation:
Dubai Falcon Hospital, PO Box 23919, Dubai, United Arab Emirates
J. Samour
Affiliation:
Fahad Bin Sultan Falcon Center, PO Box 55, Riyadh, 11322, Saudi Arabia
*
*Author for correspondenceFax: +44 (0) 1707 661464 Email: [email protected]
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Abstract

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A new nematode genus and species, Paraspiralatus sakeri , is described from the stomach of a wild-caught, female saker falcon in Saudi Arabia. This spirurid differs from the nearest genus and species Spiralatus baeri Chabaud, Brygoo & Durette, 1963 in the shape of the pseudolabia, shape of the buccal capsule and absence of a large cephalic vesicle. In addition, third stage spirurid larvae were recovered for the first time from subcutaneous tissues of two houbara bustards. These had died in the Rahim Yar Khan Rehabilitation Center (Houbara Foundation International, Lahore, Pakistan) in Pakistan and were examined at the National Avian Research Center in the United Arab Emirates. The morphology of the larvae and host pathology are described. Comparative studies with the adult spirurids from the saker falcon showed each to have similar cephalic and pharyngeal morphological features to the adults described indicating they are probably the same species. Spirurid nematodes of the suborder Spirurina normally have an arthropod intermediate host. In view of the host, the site from which the larvae were recovered and the fact that this is a rare occurrence, the houbara bustard is considered to be a paratenic host.

Type
Review Article
Information
Journal of Helminthology , Volume 78 , Issue 1 , March 2004 , pp. 33 - 40
Copyright
Copyright © Cambridge University Press 2004

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