The version I saw was titled "Bugville", from a 1989 Legend DVD release (I Think--it has a sloppily prepared title card and matches the Wikipedia description, and the promo video TCM has is of the beginning of MBGtT is an exact match, excepting the title card).
OK Fleischer/Paramount animated feature (Fleischer made the animated 1939 "Gulliver's Travels) about bugs endangered by man has a listenable score by Frank Loesser, very good opening and closing sequences, and a good nightclub scene (watch for the Jitterbug). Film has too many lulls between the interesting scenes, and in general is cloyingly sweet. Film is a disappointment.
This is the one that was released two days before Pearl Harbor. Thanks at least partially to bad timing, film was a financial disaster. Film is hard to find, so is worth a watch. Just have a pot of coffee close by.