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Short-term hyperthermia at larval age reduces sucrose responsiveness of adult honeybees and can increase life span
Apidologie ( IF 2.4 ) Pub Date : 2020-03-02 , DOI: 10.1007/s13592-020-00743-8
Arne Kablau , Stefan Berg , Benjamin Rutschmann , Ricarda Scheiner

Honeybees are very sensitive to their breeding temperature. Even slightly lower temperatures during larval development can significantly affect adult behavior. Several devices which are employed for killing the honeybee ectoparasite Varroa destructor rely on short-term hyperthermia in the honeybee hive. The device used here applies 43.7 °C for 2 h, which is highly effective in killing the mites. We study how short-term hyperthermia affects worker brood and behavior of emerging adult bees. Sucrose responsiveness was strongly reduced after treatment of larvae early or late of larval development. Hyperthermia significantly enhanced life span, particularly in bees receiving treated early in larval development. To ask whether increased life span correlated with foraging performance, we used radio frequency identification (RFID). Onset and offset of foraging behavior as well as foraging trip duration and lifetime foraging effort were unaffected by hyperthermia treatment as prepupa.

中文翻译:

幼虫期的短期高温会降低成年蜜蜂对蔗糖的反应,并可以延长寿命

蜜蜂对它们的繁殖温度非常敏感。即使在幼虫发育过程中稍微降低温度也会显着影响成虫的行为。几种用于杀死蜜蜂体外寄生虫瓦螨的装置依赖于蜂巢中的短期高温。这里使用的设备适用于 43.7 °C 2 小时,这对杀死螨虫非常有效。我们研究短期高温如何影响工蜂和新兴成年蜜蜂的行为。在幼虫发育的早期或晚期处理幼虫后,蔗糖反应性显着降低。热疗显着延长了寿命,特别是在幼虫发育早期接受治疗的蜜蜂。为了询问寿命延长是否与觅食性能相关,我们使用了射频识别 (RFID)。
更新日期:2020-03-02
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