This is from a recent PhD Thesis:

> This caste system includes morphologically distinct individuals such as reproductive queens and non-reproductive workers as well astemporal castes such as nurses and foragers. While the caste system provides the basis for division of labor, division of labor itself must be regulated by communication between individuals.

Eusocial insect societies are founded upon a novel caste polyphenism, in which reproductive queen and
non-reproductive worker female castes develop from the same genome, depending mainly on
socially-regulated nutritional inputs. Within the worker caste, further specialization often
occurs as individuals age and progress through a series of tasks, including nursing and foraging.

Warner, Michael, "The Genetic Makings Of The Superorganism" (2019). Publicly Accessible Penn Dissertations. 3490.
https://repository.upenn.edu/edissertations/3490

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