In recent years, some French productions (conjugation guide, novel, film) have wanted to take into account French of Quebec or have tried to reproduce this variety of French. These adventures were not always happy, and yet they were based on dictionaries produced in Quebec. By analyzing in parallel the criticisms received in Quebec by these French productions and by the dictionaries that served as their source, we establish in this article a typology of this branch of profane lexicography that we call parasitic lexicography.