Ants don't like ladybirds - they eat aphids and ants like aphids. I suspect ladybirds don't like ants either. Kyogle, NSW.
Metallic blue ladybird (Halmus sp.) eats a mealybug. Kyogle, NSW.
Metallic blue ladybird (Halmus sp.) has fascinating marks on its wing covers. Kyogle, NSW.