Macroxiphus
Macroxiphus[1] is a small genus of bush crickets or katydids distributed in Southeast Asia and Micronesia. The nymphs (immature stages) of the insects mimic ants.
| Macroxiphus | |
|---|---|
 | |
| Macroxiphus species mimicking an ant | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Orthoptera |
| Suborder: | Ensifera |
| Family: | Tettigoniidae |
| Subfamily: | Conocephalinae |
| Tribe: | Agraeciini |
| Subtribe: | Liarina |
| Genus: | Macroxiphus Pictet, 1888 |
| Synonyms | |
|
Odontocoryphus Karny, 1907 | |
Species
Species include:[2]
- Macroxiphus nasicornis Pictet, 1888 - type species
- Macroxiphus sumatranus (Haan, 1843)
Camouflage and mimicry
Young instars of Macroxiphus, such as M. sumatranus, have an "uncanny resemblance" to ants, extending to their black coloration, remarkably perfect antlike shape, and convincingly antlike behaviour. Their long antennae are camouflaged to appear short, being black only at the base, and they are vibrated like ant antennae. Larger instars suddenly change into typical-looking katydids, and are entirely nocturnal, while the adult has bright warning coloration.[3]
References
- Pictet (1888) Mem. Soc. Phys. Hist. Nat. Geneve 30(6): 52.
- Cigliano, M. M.; Braun, H.; Eades, D. C.; Otte, D. "genus Macroxiphus Pictet, 1888". orthoptera.speciesfile.org. Orthoptera Species File. Retrieved 1 January 2019.
- Gwynne, Darryl T. (2001). Katydids and Bush-crickets: Reproductive Behavior and Evolution of the Tettigoniidae. Cornell University Press. p. 80. ISBN 0-8014-3655-9.
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