Odor-mediated flight behavior of Anopheles gambiae Giles Sensu Stricto and A-stephensi Liston in response to CO2, acetone, and 1-octen-3-ol (Diptera: Culicidae)
Odor-mediated flight behavior of Anopheles gambiae Giles Sensu Stricto and A-stephensi Liston in response to CO2, acetone, and 1-octen-3-ol (Diptera: Culicidae)
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DOI：
10.1007/bf02765606
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发表时间：
1997-05-01
影响因子：
1
通讯作者：
Wijnholds, YG
中科院分区：
文献类型：
--
作者：
Takken, W;Dekker, T;Wijnholds, YG
冈比亚按蚊的飞行行为。stephensi Patton暴露在不同的气味线索中，在风洞中进行研究。气味由CO2、CO2 +丙酮（两种浓度）和CO2 + 1-辛烯-3-醇组成。蚊子被单独释放，它们的行为被录像记录下来。研究的参数包括飞行速度，飞行时间百分比，在羽流中花费的时间百分比，以及转向羽流的次数。研究人员观察到，对气味的反应有很大的不同。冈比亚对二氧化碳反应不佳。该化合物对Stephansi有积极影响。相反，安。甘比亚菌对CO2 +丙酮（低浓度）有明显的反应，而甘贝菌对CO2 +丙酮的反应较弱。斯蒂芬氏菌完全被这种气味刺激的组合所抑制。CO2 +高浓度丙酮或CO2 + 1-辛烯-3-醇对An的影响不显著。与没有气味的冈比亚相比，而这些处理引起了强烈的行为反应。stephensi。后者对CO2 + 1-辛-3-醇的反应特别好。结果表明，观察到的差异可能是已知的宿主偏好差异所固有的。冈比亚是高度亲人类的国家。史蒂芬氏菌更亲动物。这可以解释为什么肥胖的物种对二氧化碳反应良好，甚至对二氧化碳+ 1-辛-3-醇反应更好，这是一种牛反刍动物容易排放的化合物。
The flight behavior of Anopheles gambiae s.s. Giles and An. stephensi Patton exposed to different odor cues was studied in a wind tunnel. Odors consisted of CO2, CO2 + acetone (at two concentrations), and CO2 + 1-octen-3-ol. Mosquitoes were released singly and their behavior was recorded on video. Parameters studied included flight velocity, percentage of time spent flying, percentage of time spent in plume, and number of turns toward the plume. Large differences in behavior toward the odors tested were observed An. gambiae did not respond well to CO2, whereas An. stephansi was positively affected by this compound. In contrast, An. gambiae responded significantly to CO2 + acetone (at a low concentration), but the behavior of An. stephensi was completely suppressed by this combination of odor stimuli. CO2 + a high concentration of acetone or CO2 + 1-octen-3-ol did not cause significant effects in An. gambiae compared to no odor, while these treatments elicited strong behavioral responses in An. stephensi. The latter species responded particularly well to CO2 + 1-octen-3-ol. The results suggest that the observed differences may be inherent to the known differences in host preferences, where An. gambiae is highly anthropophilic and An. stephensi more zoophilic. This would explain why the fatter species responds well to CO2 and even better to CO2 + 1-octen-3-ol, a compound readily emitted by bovine ruminants.