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A review and illustrated description of Musca Crassirostris, one of the most neglected livestock hematophageous flies

Desquesnes M., Onju S., Chalermwong P., Jittapalapong S., Masmeatathip R.. 2019. Medical and Veterinary Entomology, 33 (1) : p. 16-30.

DOI: 10.1111/mve.12339

Tabanids, stomoxyine flies, hippoboscids and tsetse flies are the most well-known brachyceran biting flies of livestock. Only a few other higher Diptera have developed the unique mouthparts required for blood feeding. These neglected blood feeders can also have direct effects on hosts through blood loss, and are likely to contribute to the transmission of pathogens. Musca crassirostris (Diptera: Muscidae) is one of the most abundant of the muscid flies with this haematophagous lifestyle; it is widespread in the Palaearctic, Afrotropical and Oriental regions. The present study reviews and summarizes the biology and morphology of this species, and its potential for impact on animals and humans. The study also provides a fully illustrated description of the fly to facilitate its identification, and reviews information on abundance, with a focus on recent trapping surveys in Thailand. When sampled using traps designed for other biting flies, M. crassirostris appears to be four and 45 times more abundant than stomoxyines and tabanids, respectively. High numbers of M. crassirostris in the vicinity of livestock have also been associated with outbreaks of disease, such as that of a fatal plague in bovine farms in Egypt. This calls for a reconsideration of its potential impacts on livestock economics and health, and thus the development of suitable control methods.

Mots-clés : musca; diptera; bétail; insecte suceur; hématophagie; identification; transmission des maladies; Écologie animale; survey methods [en]; piégeage des animaux; vecteur de maladie; thaïlande; Égypte; inde; oman; guyane française; france; musca crassirostris

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