Learning influences host choice in tsetse
Learning influences host choice in tsetse
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DOI：
10.1098/rsbl.2006.0578
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发表时间：
2007-04-22
期刊：
影响因子：
3.3
通讯作者：
Lancelot, Renaud
中科院分区：
文献类型：
--
作者：
Bouyer, Jeremy;Pruvot, Mathieu;Lancelot, Renaud
在许多昆虫物种中描述了进食的学习能力，包括疾病的媒介，但在非洲的人类（昏睡病）和动物锥虫病的循环媒介采采蝇（双翅目，Glossinidae）中从未报道过。重复喂养同一宿主物种的疾病载体可能会增加物种内的疾病传播的风险，但减少它之间的species.An牛和爬行动物在一个稳定的实验提供的证据表明，在采采蝇选择的第二次血餐的主机的物种取决于主机遇到的第一次血餐时，两餐之间的间隔是2天。当两餐之间的间隔时间延长到3天时，这种偏好就会消失。精力充沛的优势，这种收购的偏好和它的重要性，锥虫病流行病学进行了讨论。
A learning capacity for feeding is described in many insect species including vectors of diseases, but has never been reported in tsetse flies (Diptera, Glossinidae), the cyclic vectors of human (sleeping sickness) and animal trypanosomoses in Africa. Repeated feeding on the same host species by a disease vector is likely to increase the within-species disease-transmission risk, but to decrease it between species.An experiment with cattle and reptiles in a stable provides evidence that the species of host selected for the second blood meal in tsetse flies depends on the host encountered for the first blood meal when the between-meal interval is 2 days. This preference disappears when the between-meal interval is extended to 3 days. The energetic advantages of this acquired preference and its importance in trypanosomoses epidemiology are discussed.