STUDIES IN THE MODE OF ACTION OF ROYAL JELLY IN HONEY BEE DEVELOPMENT: VI. HAEMOLYMPH PROTEIN CHANGES DURING CASTE DEVELOPMENT

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Abstract
The changing patterns of haemolymph proteins are followed during the larval life of the two female castes of honey bee larvae. During the third day of larval life, the total protein concentration of haemolymph drops to its lowest level in both castes. Larvae destined to be queens have the lower concentration of blood protein. Starch gel electropherograms illustrate striking differences in haemolymph protein patterns with time within a caste as well as differences between castes. The possible significance of these results is discussed in relation to female dimorphism.