PMS or parasitic mite syndrome. Notice how there is no larvae or eggs in the open cells, the bees are unable to rear healthy brood. Published October 31, 2012 at 2592 × 1944 in Whats wrong with my hive? PMS or parasitic mite syndrome. Notice how there is no larvae or eggs in the open cells, the bees are unable to rear healthy brood. PMS or parasitic mite syndrome. Notice how there is no larvae or eggs in the open cells, the bees are unable to rear healthy brood.