Figure 2From: New insights into honey bee (Apis mellifera) pheromone communication. Is the queen mandibular pheromone alone in colony regulation?Effect of queen treatment on (a) cell construction and (b) worker ovary activation. Data show mean number of cells ± SE and ovary score ± SE. Number of cages are indicated in parenthesis. *** denotes significant differences (P < 0.001) and NS: Non significant difference between treatments. MG+: control queen, MG-: demandibulated queen, QL: queenless.Back to article page