Onchocerca sweetae (Nematoda: Filarioidea): notes on the intermediate host

Microfilariae of Onchocerca sweetae are broadly distributed in the superficial layers of the dermis of the water buffalo (Bubalus bubalis). A total of 2855 insects representing 20 species were collected from O. sweetae-infected bait buffaloes. Only one species, Culicoides sp. “M”, ingested microfila...

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Bibliographic Details
Published in:Journal of helminthology 1978-03, Vol.52 (1), p.75-81
Main Authors: Spratt, D. M., Dyce, A. L., Standfast, H. A.
Format: Article
Language:English
Subjects:
Animals
Buffaloes
Ceratopogonidae - parasitology
Culicidae - parasitology
Diptera - parasitology
Onchocerca - growth & development
Onchocerciasis - parasitology
Onchocerciasis - veterinary
Research Papers
Ticks - parasitology
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Summary:Microfilariae of Onchocerca sweetae are broadly distributed in the superficial layers of the dermis of the water buffalo (Bubalus bubalis). A total of 2855 insects representing 20 species were collected from O. sweetae-infected bait buffaloes. Only one species, Culicoides sp. “M”, ingested microfilariae from buffalo skin. Larval development of O. sweetae was observed in the thorax of this species. A total of 829 insects, representing 7 species and including 749 parous Culicoides spp. were collected from light and Manitoba traps. Developing filarioid larvae were observed only in Culicoides sp. “M”. It is concluded that Culicoides sp. “M” is a natural intermediate host of O. sweetae in the Northern Territory of Australia.
ISSN:0022-149X
1475-2697
DOI:10.1017/S0022149X00005150