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Insects in the family Tettigoniidae are commonly called katydids (especially in North America) [1] or bush crickets. [2] They have previously been known as "long-horned grasshoppers ". [ 3 ] More than 8,000 species are known. [ 1 ]
Katydids produce acoustical signals by rubbing their tegmina together, a mechanism referred to as tegminal stridulation (first described by Dumortier in 1963). [9] Male Pseudophyllinae katydids (and females of some species, such as Pterophylla camellifolia ) have stridulatory apparati on their tegmina for generating such signals. [ 10 ]
Unlike most katydids, which are herbivores, the rhinoceros katydid is an omnivore, feeding on fruit, seeds, flowers, invertebrates, frog eggs and small lizards. [2] [3] The species can be quite noisy during the night and produces one of the dominant sounds in Central American lowland forests. [3] Its lifespan is one to two years. [2]
High-speed video recording of Supersonus aequoreus during sound production. Supersonus piercei female in Colombia Supersonus sp. male in Ecuador. Supersonus is a genus of katydids in the order Orthoptera first described in 2014. The genus contains three species which are endemic to the rainforests of South America.
Caedicia simplex is a native insect to New Zealand and Australia.Their habitat is limited to that of New Zealand [3] and Australia. [4] While they are not Caedicia simplex it is worth noting that other species of katydid in the shared family of Tettigoniidae are present on all other continents excluding Antarctica.
Copiphora are typically fairly large nocturnal katydids with a conspicuous horn-like structure on the top of their head (indistinct in a few species). Copiphora are omnivorous , but with strong predatory tendencies with large individuals even able to catch small frogs and lizards.
Belocephalus sleighti, known as the Keys short-winged conehead katydid, ... Walker, T. J. Sound files: Calling song of Belocephalus sleighti.
Superfamily Tettigonioidea Krauss, 1902 (bush crickets or katydids) †Haglotettigoniidae Gorochov, 1988 †Permotettigoniidae Nel & Garrouste, 2016; Tettigoniidae Krauss, 1902; Incertae sedis †Tettoraptor maculatus Gorochov, 2012