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TaxonomyBrowse
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Genus Tomonotus

Tomonotus ferruginosus - male Oak Leaf Grasshopper - Tomonotus ferruginosus Tomonotus - Tomonotus ferruginosus - female Tomonotus ferruginosus Tomonotus ferruginosus - male Tomonotus ferruginosus - male Tomonotus ferruginosus - male Oak-leaf Grasshopper - Tomonotus ferruginosus - male
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Orthoptera (Grasshoppers, Crickets, Katydids)
Suborder Caelifera (Grasshoppers)
Family Acrididae (Short-horned Grasshoppers)
Subfamily Oedipodinae (Band-winged Grasshoppers)
Tribe Arphiini
Genus Tomonotus
Synonyms and other taxonomic changes
Tomonotus Saussure, 1861. Type species: Tomonotus mexicanus Saussure
Numbers
Two, perhaps three species. T. ferruginosus is the species common in the southwest of the United States, but another apparently distinct species seems to be present in southeastern Arizona, and compares most favorably with the Mexican species T. mexicanus. More study is needed to determine the status of this probable second species. These insects are listed, tentatively, under the name T. mexicanus on BugGuide for the time being.
Identification
Coloring dominated by shades of brown and/or gray that match with a habitat dominated by dead leaf litter, most often rather even in pattern, or sometimes varied with speckles, spots or stripes, but that are rarely much contrasting. Pronotum with a high median ridge that is deeply once cut. Hind femur constricted abruptly toward the apex both above and below. Hind tibia mostly bluish to grayish or brownish, often partly nearly black, and with a pale zone near base. Hind wings in shades of orange, red, or pink.
Habitat
Primarily found in arroyo and canyon bottoms in mountains under trees and shrubs where they seem to be associated with leaf litter.