Like red ladybugs, they eat aphids ... Even more gross, the bugs secrete an unpleasant odor if they’re threatened and leave a slimy, stinky residue if crushed. In short, these tenacious insects ...

so if you're starting to smell something musty in your home, it could be this species. Asian lady bugs start to invade homes that are warm and well-illuminated or already have other Asian lady ...