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Species Conozoa rebellis - White-lined Grasshopper

Conozoa rebellis - male Conozoa rebellis - male White-lined Grasshopper - Conozoa rebellis - male White-lined Grasshopper - Conozoa rebellis - male White-lined Grasshopper - Conozoa rebellis White-lined Grasshopper - Conozoa rebellis - female Purple Grasshopper - Conozoa rebellis - female grasshopper - Conozoa rebellis - 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 Trimerotropini
Genus Conozoa
Species rebellis (White-lined Grasshopper)
Synonyms and other taxonomic changes
Conozoa rebellis Saussure, 1888, from California
Trimerotropis rebellis (Saussure) McNeill, 1900
Conozoa albolineata Bruner, 1889, from Los Angeles, California
Trimerotropis albolineata (Bruner) McNeill, 1900
Size
males: 22-27 mm
females: 31-37 mm
Identification
Not distinguishable from Conozoa texana except by coloration and location. C. rebellis differing in usually being more strikingly marked with linear dark and white patterning that tends to run along the axis of the body. Hind tibiae are usually yellowish, sometimes greenish. C. texana displaces C. rebellis eastward and to the south.

Coloring is usually enough to separate C. rebellis from any other similar species with which it might be found, but the following are perhaps most similar.

Conozoa hyalina averages somewhat larger, more plain (often yellowish) in body coloring, has the front portion of the median ridge of the pronotum higher and more strongly bilobed (it is moderately strongly so in C. rebellis). Also, the wing of C. hyalina is usually only faintly pigmented yellow with the dark cross band weak or even absent. It is in the Central Valley of California, and is probably quite rare due to agriculture.

C. sulcifrons usually has the front of the pronotal crest only shallowly notched and not strongly bilobed, and the hind tibiae orange or red (sometimes yellow), and tends to be in more stable bare silty habitats with things like Salt Grass, Willow, and often water nearby. It can be found in much of the same area as C. rebellis, but usually the habitat difference is enough of a first clue (they occasionally are in the same places though).

C. carinata is much like C. sulcifrons in habits, and has the pronotal ridge distinctly and nearly evenly raised the whole length of the pronotum, and usually cut only once (sometimes notched again in front of the main cut, but not strongly bilobed). It may be found in some of the more easterly desert areas where C. rebellis occurs.

When they fly, C. rebellis & C. texana may produce a clicking sound (often they are silent). C. sulcifrons & C. carinata produce a fast interrupted buzzing sound (but also often remain silent). The crepitation sound is unknown for C. hyalina (at least by this writer - David J. Ferguson).
Range
Southern half of California, mostly west of the Sierra Nevada, but entering the Mojave and Colorado Deserts in the south, and extending into southwestern Arizona. Also, Baja California Norte and perhaps northwestern Sonora in Mexico.
Habitat
Mostly open dry sandy areas.
Life Cycle
Overwintering as eggs. Adults spring into autumn, most common in early summer.
Remarks
Distinction from Conozoa texana as a different species seems based on coloration alone. This "species" blends into that one where they come into contact, and populatons in western Arizona, southern Nevada, and southeastern California contain individuals that are intermediate or that can fit into either species. Occasional specimens everywhere in the range of C. carinata may be more plain and colored as in "normal" C. texana.
The oldest name in this species group is rebellis, so they would all become that species if combined.

This little grasshopper usually flies low and not far, but it is very alert and often flies very fast and erratically, zig-zagging between, through, and over bushes (if there are any present). Even though it usually doesn't make long flights, it can be very difficult to approach and photograph. It is usually very striking in appearance, but the pattern leaves it almost invisible when sitting against a sand background.
Internet References
Original description of species by its author (Saussure)