Why are there so many ladybugs and lady beetles?

Why ladybugs and their cousins the 'Halloween beetles' are everywhere right now.

Beetles that look like ladybugs are swarming in some eastern

Good vs. Bad Ladybugs In Your Garden: How To Tell The Difference

Asian Lady Beetles

Beware the Asian lady beetle

A Different Kind of Lady - - The Adirondack Almanack

Ladybug (U.S. National Park Service)

Ladybug San Diego Zoo Animals & Plants

Why am I seeing Asian Lady Beetles and Boxelder Bugs in Spring?

Losing Ladybugs The Prairie Ecologist