Chinese Praying Mantis (Ootheca)

Scientific Name: Tenodera sinensis

Order & Family: Order: Mantodea, Family: Mantidae

Size: 25 mm to 40 mm (length of the egg case)

Chinese Praying Mantis (Ootheca)

Natural Habitat

Found in gardens, meadows, and shrubbery across North America and Asia.

Diet & Feeding

Nymphs emerge to eat small insects; adults are generalist predators of insects and even small vertebrates.

Behavior Patterns

The female lays eggs in a frothy liquid that hardens into a protective, papery mass (ootheca) to overwinter.

Risks & Benefits

Beneficial to gardens as natural pest control, though they may also consume other beneficial insects like pollinators.

Identified on: 12/28/2025