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1967). Annls. Abeille 1Ό, 45. Renner, M. (1960). ^. Vergleich. Physiol. 43, 411. , and Bauman, M. (1964). Naturwissenschaften 5^, 68. Shearer, D. , and Boch, R. (1965). Nature 206, 530. Shearer, D. , and Boch, R. (1966). J_. Insect Physiol. 12, 1513. Showers, R. E. (1967). Amer. Bee J. 107, 294. Simpson, J. (1963). Nature 199, 94. Simpson, J. (1966). Nature 209, 531. Snodgrass, R. E. (1956). "Anatomy of the Honey Bee". Cornell Univ. Press, Ithaca, New York. Velthuis, H. H. W;, and Es, J. van (1964).
Gast (1967) described two growth phases in the development of the corpora aliata in workers. In the first phase, development was inhibited by queen substance ; in the second phase, development occurs only when a queen is present. Ingested queen substance may also induce significant effects. Johnston et^ al_. (1965) have shown that queen substance is metabolized very rapidly in the gut of worker bees. They suggested that the conversion of queen substance was sufficiently rapid to account for the expression of queenless behavior so quickly after bees are separated from their queen.
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