Caste polypheniesm controlled by hormonal signals.
Oguchi, K., Miyazaki, S., Maekawa, K., Sasaki, K., and Miura, T.
Comprehensive Molecular Insect Science
Edited by Atkinson, P. and Yamanaka, N. Elsevier.
2nd Edition
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34
https://doi.org/10.1016/ B978-0-323-95424-2.00030-3