I am a PhD candidate working in Toulouse University in France and Macquarie University in Australia. I feel very concerned by the ongoing pollinators decline. I decided to study the behaviour and ecology of bumblebees and honey bees to help understanding the reasons for their decline. I am thus looking at the impact of pesticides on their health and change in behaviour. I am also trying to determine why some foragers are more efficient than others, and how to give them the best conditions during their development to grow as strong and efficient workers.