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. 2017 Aug 30;11:63. doi: 10.3389/fnsys.2017.00063

FIGURE 4.

FIGURE 4

Reduced survival following octopamine-treatment of hungry honeybees. (A) Schematic overview of the experiment. Bees were fed to satiation with 30% (w/v) sucrose solution (0.88 M) 18 h before injection of octopamine (OA), epinastine (EPI), or PBS. Their survival was observed every 6 h. (B) Survival of bees injected with PBS (rhomb, black), OA (square, dark gray), or EPI (triangle, light gray). (C) Bees injected with OA had a significant lower survival score than bees injected with PBS or EPI. p < 0.05. Number of bees appears in brackets.