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Species Arphia behrensi - California Sulphur-winged Grasshopper

Bon Tempe Lake, CA grasshopper - Arphia behrensi - female Grashopper 1 - Arphia behrensi - female unkn grasshopper - Arphia behrensi - female Grasshopper from Mount Diablo - Arphia behrensi Short-horned grasshopper - Arphia behrensi - female grasshopper - Arphia behrensi - male 4458 - Arphia behrensi - female Grasshopper, sp - Arphia behrensi - 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 Arphia
Species behrensi (California Sulphur-winged Grasshopper)
Synonyms and other taxonomic changes
Arphia behrensi Saussure, 1884. Type locality: Napa Soda Spring, California
Arphia koebelei Bruner, 1905. Type locality: San Mateo County, California
Arphia conspersa behrensi (Saussure) Strohecker, Middlekauff & Rentz. 1968
Size
males 19-25 mm
females 25-32 mm
Identification
Adults in spring and early summer, some may live longer. Hind wings yellow with dark border. Fastigium relatively broad, except very narrow toward front where it meets frontal costa. Hind tibiae blue (at least partly).

Nearly identical to A. sulphurea, but found on the west coast from the Bay area in California to southern Oregon (A. sulphurea is east from the Great Plains).

A. ramona is found mostly further south, is somewhat larger, has hind wings almost always orange with dark band narrower, often interrputed near base of spur, and with narrower spur (more as in A. conspersa). It is not unlikely that A. ramona & A. behrensi are actually northern and southern variants of a single species, though this needs further study to determine. At present they seem distinct enough to consider as probably being different.

Lactista gibbosus occurs further south, averages a little smaller, and has fastigium even narrower. The pronotum of L. gibbosus is usually more rugose as well.

Also very similar and closely related to A. conspersa, which replaces it eastward in drier areas east of the Sierras. That species has varied wing color, most often red to orange or pink where it approaches the distribution of A. behrensi) and wider front of fastigium.

A. saussureana has adults in summer and autumn, hind wings usually deep orange to red with wider dark border, and also a wide front of fastigium.
Range
California west from the Sierra Nevada and north from roughly the Bay Area.
Season
Nymphs overwinter with adults primarily in late winter and spring.
See Also