Whether you call them lady beetles, ladybugs, or ladybird beetles, you’re probably referring to the tiny red and black beetle found in your garden. Asian lady beetles (Harmonia axyridis) are an invasive species. mikroman6 // Getty ImagesAre Asian Lady Beetles Bad? Both Asian lady beetles and native lady beetles are voracious predators of garden pests such as caterpillars. Also, our native lady beetles spend winter outdoors, while the Asian lady beetle likes to come indoors.