How the Termites Got Their Castes?

Reticulitermes flavipes, Eastern Subterranean Termite

Termites are eusocial insects that have as their closest relatives, cockroaches in the Genus Cryptocercus. The cockroach relatives have overlapping generations but do not have castes. What were the steps that termites took on their evolutionary path? What were the selection pressures that led to wingless worker and soldier castes and a winged reproductive caste?

Bourguignon and colleagues* suggest the early steps in termite evolution may…

Source: Living With Insects Blog

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