Colony composed of a queen and more than 50 workers. Date of birth of the Queen: June 2016/2017 Easy breeding. Longevity of the queen 20 years and over (up to 30 years) Longevity of workers between 1 and 3 years. Size of the queen: 9 mm / Worker size from 4 to 5 mm. Monogynous species (one queen per colony).