Dear colleagues,   The 14th International Symposium « Ecology of Aphidophaga » will be held at University of Quebec at Montreal (Université du Québec à Montréal, UQAM) located in downtown Montreal (Quebec, Canada) from 16 to 20 September 2019.It will be 20 years since the last Aphidophaga took place in the province of Quebec in Canada and we are grateful to the Scientific Committee of Aphidophaga and the International Organization of Biological Control (IOBC) for choosing Montreal as the