关键词: 蚤蝇, 封片剂, 玻片制作

Abstract: Objective To improve the formula of slide mounting medium, and to solve the problem that the slide mounting medium dries too fast. Methods In order to reduce the drying rate of the slide mounting medium, 5 ml glycerol was added to the medium to maintain the humidity; glucose was reduced from 5 ml (old formula) to 3 ml to reduce the viscosity. Results The new medium formula was as follows:acacia 12 g, chloral hydrate crystal 20 g, glacial acetic acid 5 ml, glycerol 5 ml, 50%w/w glucose syrup 3 ml, and distilled water 30 ml. Conclusion The drying rate of this slide mounting medium is in the moderate range, which is suitable for the preparation of small insect specimens in northern China.

Key words: Scuttle fly, Slide mounting medium, Slide preparation