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On the occurrence of Hydromermis contorta (Kohn) (nematodea) parasitizing midges (Chironomidae) in the Camargue

Published online by Cambridge University Press:  16 June 2011

George O. Poinar ,
Jr. Tourenq  and
J. N. Tourenq
Jr. Tourenq
Affiliation:
Division of Entomology and Parasitology, University of California, Berkeley, California 94720
J. N. Tourenq
Affiliation:
Laboratoire d'Hydrobiologie, Université Paul-Sabatier, 118, route de Narbonne, 31-Toulouse
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Abstract

Hydromermis contorta (Kohn) (Mermithidae : Nematodea) was found parasitizing Chironomus annularius Mg, C. dorsalis Mg and C. plumosus L. in the Camargue. The flrst 2 species are new host records for this mermithid nematode. The percentage of parasitism was followed from April to July, 1971 and reached 46 (n = 100) early in April. The morphology of the adult nematodes was studied and quantitative measurements were made and compared with those reported by earlier authors. These parasites may serve as an important controlling agent of chironomids in certain areas in the Camargue.

Type
Research Article
Information
Annales de Limnologie - International Journal of Limnology , Volume 8 , Issue 1 , 1972 , pp. 41 - 48
Copyright
© Masson, 1972

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