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Superregnum: Eukaryota
Cladus: Unikonta
Cladus: Opisthokonta
Cladus: Holozoa
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Cladus: Protostomia
Cladus: Ecdysozoa
Cladus: Panarthropoda
Phylum: Arthropoda
Subphylum: Hexapoda
Classis: Insecta
Cladus: Dicondylia
Subclassis: Pterygota
Ordo: Orthoptera
Subordo: Caelifera
Infraordo: Acrididea
Superfamilia: Tanaoceroidea
Familia: Tanaoceridae
Genera: Mohavacris - Tanaocerus
Tanaoceridae Rehn, 1948

The Tanaoceridae are an insect family in the monotypic superfamily Tanaoceroidea in the suborder Caelifera.[2][3] They have been called desert long-horned grasshoppers.[4]

Tanaoceridae comprises two genera:[2]

Mohavacris Rehn, 1948
Tanaocerus Bruner, 1906
Type species: Tanaocerus koebelei Bruner, 1906


Grasshoppers in the Tanaoceridae have antennae that are thin and at least as long as the body, and therefore might be confused with members of the Ensifera (rather than Caelifera). They are slender to medium-sized, grey-spotted grasshoppers with powerful jumping hind legs. The two innermost joints of the antennae are short and thick, the other joints long and thin, so that the antenna is at least as long as the body. The facet eyes are round and protruding. These species are apterous, and the thorax is rather small, with a collared pronotum.

They live in dry areas and are active at night and in winter when it is relatively cool. Mohavacris timberlakei are found on wormwood shrubs ("sagebrush" or Artemisia spp.), Where they are excellently camouflaged and resemble pieces of bark, while the Tanaocerus species live both in the bushes and on the ground. The eggs are probably laid in the ground and hatch in the autumn.


Rehn (1948) The locust genus Tanaocerus as found in the United States, and the description of a related new genus (Orthoptera, Acridoidea). Proceedings of the Academy of Natural Sciences, Philadelphia, vol. 100, p. 1-22.
Cigliano, M. M.; Braun, H.; Eades, D. C.; Otte, D. "superfamily Tanaoceroidea Rehn, 1948". Orthoptera Species File. Retrieved 30 December 2018.
Roskov Y.; Kunze T.; Orrell T.; Abucay L.; Paglinawan L.; Culham A.; Bailly N.; Kirk P.; Bourgoin T.; Baillargeon G.; Decock W.; De Wever A. (2011). Didžiulis V. (ed.). "Species 2000 & ITIS Catalogue of Life: 2011 Annual Checklist". Species 2000: Reading, UK. Retrieved 24 September 2012.
Cigliano, M. M.; Braun, H.; Eades, D. C.; Otte, D. "namefamily Tanaoceridae Rehn, 1948". Orthoptera Species File. Retrieved 30 December 2018.

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