Onomarchus (katydid)

Onomarchus is a genus of bush crickets or katydids found mainly distributed in the tropical forests of Asia. Like many other members of the subfamily Pseudophyllinae, their wings appear very leaf-like.

Onomarchus
Onomarchus uninotatus from the Western Ghats of India
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Orthoptera
Suborder: Ensifera
Family: Tettigoniidae
Subfamily: Pseudophyllinae
Tribe: Pseudophyllini
Genus: Onomarchus
Stål, 1874
Synonyms
  • Astralia Kirby, 1906
  • Onomarchis Hebard, 1922
  • Onomarcus Pictet & Saussure, 1892

A study of O. uninotatus found it to produce sounds at an unusually low frequency of about 3.5 kHz. The tympanal membrane cuts out high frequencies unlike the sound filters found in other Tettigoniids.

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