Experts Kenn and Kimberly Kaufman write, “These are the egg cases, called oothecae, of a praying mantis. Produced by the female, a single ootheca can contain anywhere from a few dozen to several ...

The European mantis is the only native species of praying mantis in Europe. Photo: Getty Images Once considered an exotic insect, the European mantis has long been native to Germany. With a bit of ...

Peacock mantis shrimp like Douglas are “called thumb-splitters in the aquarium business,” said Elliot Provance, director of living collections and exhibitions at Discovery Place. ALEX CASON Among the ...