Vous avez cherché: muscae volitantes (Latin - Anglais)

muscae
musca, muscae fly (insect); gadfly, bothersome person;

muscae morientes perdunt suavitatem unguenti pretiosior est sapientia et gloria parva ad tempus stultiti
dead flies cause the ointment of the apothecary to send forth a stinking savour: so doth a little folly him that is in reputation for wisdom and honour.

et erit in die illa sibilabit dominus muscae quae est in extremo fluminum aegypti et api quae est in terra assu
and it shall come to pass in that day, that the lord shall hiss for the fly that is in the uttermost part of the rivers of egypt, and for the bee that is in the land of assyria.

faciamque mirabilem in die illa terram gessen in qua populus meus est ut non sint ibi muscae et scias quoniam ego dominus in medio terra
and i will sever in that day the land of goshen, in which my people dwell, that no swarms of flies shall be there; to the end thou mayest know that i am the lord in the midst of the earth.