AdaptabilityThe tough and hardy little ladybug is found across the world, on every continent except Antarctica. "Think of how many different climates, altitudes and terrains that is," Orth says.

The ladybug faces many challenges in the microworld right at our feet. Most predators stay clear however, having experienced the foul smelling and tasting yellow liquid the beetle secretes.

Someone once told me that a ladybug landing on you brings good luck. So recently, after a trip to Cordova Park in Otley, Iowa, I was ecstatic when I returned home and noticed what appeared to be a ...