What is the size of ladybug eggs?

Less than one millimeter (0.039 inch) is the size of each of the ladybug's eggs. The eggs of the insect in question (Coccinellidae family) look like diminutive orange domes. They tend to be found in clusters of 10 to 50 on the undersides of food and host plants amid or near aphid-, mealybug-, scale-, thrip-infested vegetation.