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22 August 2018 Alighting and Feeding Behavior of TrypanosomeTransmitting Vectors on Cattle in Nigeria
Paul Olalekan Odeniran, Isaiah Oluwafemi Ademola
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Abstract

Vector control is important to effectively prevent trypanosomiasis. Therefore, alighting and feeding responses of trypanosome-transmitting vectors were conducted in Nigeria. The aim of this study was to assess the landing preference, level of fly annoyance on cattle, and feeding behavior by direct observation of cows, bulls, and calves. The percentage of Glossina species, Tabanus species, and stomoxyine that fed on cattle blood after landing varied according to the age and sex of the cattle host. Although most flies left the cattle host before completing their meal because of host defensive behaviors, an average of 78, 19.6, and 10.2% of Glossina, Tabanus, and stomoxyines, respectively, were fully engorged. The longest mean feeding time was observed in Glossina. Over more than 90% of Glossina spp. landed on the belly and legs. Most Tabanus spp. (85%) also landed on the belly and legs while Tabanus par Walker (Diptera: Tabanidae) often landed on the back (45%). Half of Stomoxys species landed on the head and neck. Vector flies' feeding success varied according to cattle host age and was negatively correlated with defensive host behaviors and apparent fly density. Hence, fly defensive behaviors contribute to trypanosomiasis dynamics in a cattle herd, and expended energy from defensive behaviors could adversely affect productivity.

© The Author(s) 2018. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.
Paul Olalekan Odeniran and Isaiah Oluwafemi Ademola "Alighting and Feeding Behavior of TrypanosomeTransmitting Vectors on Cattle in Nigeria," Journal of Medical Entomology 55(6), 1594-1601, (22 August 2018). https://doi.org/10.1093/jme/tjy139
Received: 15 May 2018; Accepted: 20 July 2018; Published: 22 August 2018
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KEYWORDS
behavior
cattle
Nigeria
vector
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