Omaloplia illyrica is a species of beetle of the family Scarabaeidae. It is found in Albania, Bosnia Herzegovina, Bulgaria, Croatia, Greece, Kosovo, North Macedonia, Montenegro, Romania and Serbia.
Adults reach a length of about 6âÂÂ8.2 mm. They have a black body. The upper surface is dull to slightly shiny and indistinctly hairy. The antennae are yellowish-brown with a dark club. The basal segment of the club is often also yellowish-brown.