11. Typical food sources include : moths, flies, grasshoppers, katydids and crickets. 12. The foundation's 200 members have their own aerie upstairs, the Katydid Room. 13. The katydid " Phricta zwicka " has been collected from Eungella National Park. 14. Katydids neither bite nor sting, but they can damage plants by eating the leaves.15. Cockroaches, ants and katydids thrived. 16. Rarely have so many species been so plentiful, and the nightly katydid chorus is really loud. 17. In the eastern United States, katydids shrill their distinctive chh-chh-chh-chh. 18. Or the katydid made from a silk ficus that looks like a bug trying to imitate a leaf. 19. For example, male katydids sometimes defend their own patch of treetop by pushing or shoving their rivals. 20. Typical " Plangia " species are moderate-sized katydids , fairly effective green leaf epidermis.
