We associate adult ladybugs with bright summer days—but ... keeps toasty by entering our homes. These insects will gather in huge numbers and settle into dark crevices in a house.

My excitement quickly turned to disappointment when I realized that this creature was not a ladybug but, in fact, an Asian lady beetle, a multicolored insect often confused with ladybugs.

Yes. The common ladybug or lady beetle is a great natural enemy of aphids and is often used as a biological control for this insect. According to some estimates, an adult ladybug can easily eat up ...