Onomarchus (katydid)
Onomarchus[1] 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.
Detail of wing of O. uninotatus
| 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 | |
| |
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.[2]
Species
The species in the genus include
- Onomarchus bisulcatus Ingrisch & Shishodia, 1998[3]
- Onomarchus cretaceus (Serville, 1838)
- Onomarchus leuconotus (Serville, 1838) - type species (locality Java)
- Onomarchus philippinensis Weidner, 1965
- Onomarchus uninotatus (Serville, 1838)[4]
References
- Stål C (1874) Recensio Orthopterorum. Revue critique des Orthoptères décrits par Linné, De Geer et Thunberg 2 Locustina: 51, 68.
- Rajaraman, K.; Mhatre, N.; Jain, M.; Postles, M.; Balakrishnan, R.; Robert, D. (2012). "Low-pass filters and differential tympanal tuning in a paleotropical bushcricket with an unusually low frequency call". Journal of Experimental Biology. 216 (5): 777–787. doi:10.1242/jeb.078352. PMID 23125342.
- Ingrisch, S. & MS Shishodia (1998). "New species and records of Tettigoniidae from India (Ensifera)" (PDF). Bulletin de la Société Entomologique Suisse. 71: 355–371.
- DeJong, C. (1946). "A new variety of Onomarchus from British India (Orthoptera, Tettigoniidae)". Zoologische Mededelingen. 26: 268-27O.
External links
Media related to Onomarchus at Wikimedia Commons
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