在教学和科研中观察果蝇,一般是用乙醚将果蝇麻醉,然后把果蝇放在立体显微镜下进行观察。这种方法虽然效果比较理想,但不便于众人同时观察和研究,而且果蝇复苏后飞逃又会影响观察。现介绍一种用白昼幻灯机观察果蝇整体装片的新方法。该法观察果蝇可根据 Observing fruit flies in teaching and research, anesthetizing the fruit flies with ether, and then observing the fruit flies under a stereomicroscope. Although this method is quite satisfactory, it is inconvenient for all to observe and study simultaneously, and flying flies will affect the observation after flight. Now introduce a day slide projector to observe the Drosophila whole installation of a new method. The method of observing fruit flies can be based on