Publisher's Synopsis
Excerpt from Annals of the Entomological Society of America, Vol. 8: March, 1915
The staining of the material for dissection with safranin proved to be very useful in differentiating the almost colorless mouth - parts of some of the species. In using aniline oil in any form one precaution must be observed; as much as possible of the oil should be removed with a blotting paper or a dry rag or by replacing the carbol-aniline oil with carbol-xylene or xylene before mounting in balsam. If the oil be not removed the media in which the parts are immersed will eventually darken.
Material for sections was fixed with hot (80� C.) corrosive sublimate (saturated corrosive sublimate in 35% alcohol plus 2% of glacial acetic acid) for 15 to 30 minutes, which was replaced by 70% alcohol containing a few drops of iodine for 24 or more hours.
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