Stéphane le Tirant, Assistant Entomologist at the Montréal Insectarium, is the co-founder of the annual Butterflies Go Free event, held since 1998. He has acted as a consultant on the design of butterfly houses in Canada, the United States, Europe and China. He developed a program for associate researchers at the Insectarium, an initiative that has led to over 50 scientific publications on new insect species and subspecies. In fact some ten species have been named for him, including a moth and a butterfly: Xylophanes letiranti and Ornithoptera goliath f. letiranti. He has written many articles and papers on insects and is the co-author of two books, Papillons et chenilles du Québec et des Maritimes and The Book of Beetles.