Hygropreference behaviour and humidity detection in the yellow-spined bamboo locust, Ceracris kiangsu
Hygropreference behaviour and humidity detection in the yellow-spined bamboo locust, Ceracris kiangsu
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DOI：
10.1111/j.1365-3032.2010.00755.x
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发表时间：
2010-12-01
影响因子：
1.5
通讯作者：
Li, Guo-Qing
中科院分区：
文献类型：
--
作者：
Yu, Hai-Ping;Shao, Lin;Li, Guo-Qing
水是所有陆地昆虫的重要资源。黄脊竹蝗Ceracris kiangsu Tsai（直翅目：斑翅蝗科）在夏季成熟、交配和繁殖，成虫在高温时在人尿污染的材料中活动。蝗虫除了获得NaCl和NH_4HCO_3外，还可以补偿水分的缺乏。在实验室的双重选择测试中，成年人更喜欢在高温（36摄氏度）下保持湿润而不是干燥的滤纸。雌性比雄性更倾向于向湿滤纸移动并停留在湿滤纸上。成虫在实验室较高温度下咀嚼湿滤纸，雌性比雄性消耗更多。此外，在实验室和田间，含有杀虫双水溶液的泡沫塑料导致的雌性死亡率高于干制剂。雄虫粪水含量显著低于雌虫粪水含量，这可能部分解释了雌虫粪水偏好性较强的原因。本文还讨论了不同性别的湿偏好的其他可能原因。去除成虫触角大大减少了对湿滤纸和干滤纸的区分，并减少了实验室中杀虫双湿制剂造成的死亡率。因此，天线介导，至少部分，hygropreference行为。
Water is a critical resource for all terrestrial insects. The yellow-spined bamboo locust Ceracris kiangsu Tsai (Oedipodidae: Orthoptera), matures, copulates and reproduces in the summer and adults are observed mud-puddling in human urine-contaminated materials on hot days. Besides obtaining NaCl and NH4HCO3, the locust may also compensate for water deficiency. In a dual-choice test in the laboratory, adults prefer to remain on wet rather than dry filter paper at high temperature (36 degrees C). The females are more likely to move towards and stay on wet filter paper than males. The adults chew wet filter paper in the laboratory at higher temperature and the females consume more than the males. Moreover, foam plastic containing an aqueous solution of an insecticide, bisultap, results in greater mortality in females than a dry formulation, both in the laboratory and the field. The water content of the frass from males is significantly lower than that from females and may partially explain the stronger hygropreference behaviour in females. Other possible reasons for sexually different hygropreference are also discussed. The removal of the adult antennae substantially reduces discrimination between wet and dry filter paper and mortality resulting from wet bisultap formulations in the laboratory. Hence, antennae mediate, at least partially, hygropreference behaviour.