Thelazia callipaeda (Spirurida, Thelaziidae) of carnivores and humans: morphological study by light and scanning electron microscopy

Thelazia nematodes cause ocular infection in several mammals and are transmitted by dipteran flies. Thelazia callipaeda Railliet and Henry 1910 (Spirurida, Thelaziidae) is common in the Far East, where it causes eyeworm infection in carnivores and humans. In the past few years, it has also been repo...

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Bibliographic Details
Published inParassitologia Vol. 45; no. 3-4; p. 125
Main Authors Otranto, D, Lia, R P, Traversa, D, Giannetto, S
Format Journal Article
LanguageEnglish
Published Italy 01.12.2003
Subjects
Animals
Dog Diseases - epidemiology
Dog Diseases - parasitology
Dogs
Eye Infections, Parasitic - epidemiology
Eye Infections, Parasitic - parasitology
Eye Infections, Parasitic - veterinary
Female
Humans
Italy
Male
Microscopy, Electron
Spirurida Infections - epidemiology
Spirurida Infections - parasitology
Spirurida Infections - veterinary
Thelazioidea - isolation & purification
Thelazioidea - ultrastructure
Italy
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Summary:Thelazia nematodes cause ocular infection in several mammals and are transmitted by dipteran flies. Thelazia callipaeda Railliet and Henry 1910 (Spirurida, Thelaziidae) is common in the Far East, where it causes eyeworm infection in carnivores and humans. In the past few years, it has also been reported in dogs, cats and foxes in Northern and Southern Italy. Although a great deal of work has been carried out in China and other Eastern countries, knowledge of the morphology of T. callipaeda is scanty. Eighty-three nematodes collected from the eyes of naturally infected dogs from the Basilicata region (southern Italy) were examined by light and scanning electron microscopy, and the most important features of the nematodes were described. The morphological characteristics useful for the identification of T. callipaeda are discussed.
ISSN:0048-2951