Praying Mantis Egg Case (Ootheca)

Found attached to twigs, stems, fence posts, or walls in gardens, meadows, and shrublands.

The egg case itself does not eat; however, once hatched, the nymphs are carnivorous and eat small insects like aphids and gnats.

The female produces a frothy secretion that hardens into a protective, papery structure to insulate eggs through winter. Nymphs emerge in spring after several months of development.

Highly beneficial to the ecosystem and gardeners as they act as biological pest control by eating harmful insects. They pose no risk to humans.