The Gay Anties (1947)

The 1890s a picnic in the park A man is pitching woo to his girl while behind them a steady stream of ants is methodically devouring and carting off their food Some other interludes include four ants eating Russian rye bread then breaking for a Russian dance a torch singer that sends everyone scurrying for some kind of ear plugs a chef ant that coordinates the creation of three sandwiches that the humans eat