The Infantry Ant(1993)

Original title: Mrav pešadinac

Black ant Ameisen, the infantry ant, got mixed up in war and love turmoils. He's an experienced military slacker who does not respect strict military standards, but performs each task successfully. Red ants, headed by their clumsy general, are on the war path with black ants. Unfortunately for both sides, war happened because of a jar of moldy marmalade.