General signs include poorly developing, weak colony; colony rearing reduced amount of brood; spotty brood pattern; lack of uniformity of brood within a brood area (mixture of brood ages); high drone numbers (relative to worker numbers); drones retained by colonies in the fall; drone rearing in worker cells; queen rearing shortly after queen begins apparent successful egg laying; sudden cessation of egg laying by queen.
There is no accepted definition of improperly (poorly) mated queens or of an inferior queen. Sometimes seeing queen without well-defined retinue is an indication of an improperly mated queen.
Some commonly listed characteristics of improperly mated, inferior, and/or failing queens are:
colonies not performing as expected
Lee K, et al. 2019. Is the Brood Pattern within a Honey Bee Colony a Reliable Indicator of Queen Quality? Insects 10(1): 12. https://www.mdpi.com/2075-4450/10/1/12
“DETAILED Video about a Failing/Bad queen. How to tell you have one”. YouTube, uploaded by Dfishman76, 25 May 2016. https://www.youtube.com/watch?v=8lVvVorsZAQ
Moore P. 2019. Honey Bee Queens: Evaluating the Most Important Colony Member. Bee Health. Accessed 2023. https://bee-health.extension.org/honey-bee-queens-evaluating-the-most-important-colony-member/