Phenomena is a 1985 Italian giallo-horror film directed and co-written by Dario Argento, and starring Jennifer Connelly, Daria Nicolodi, Dalila Di Lazzaro, Patrick Bauchau and Donald Pleasence. The plot concerns an American girl at a remote Swiss boarding school who discovers she has psychic powers that allow her to communicate with insects.
Let me know if there’s any trouble with this being on DailyMotion. Seems to work well.