Arphia behrensi

Distinguished from other Arphia species by its yellow hind wings. Arphia pseudonietana has red hind wings and occurs later in the season. Arphia conspersa has red or yellow hind wings depending on geographic region but is more widespread across western North America from Alaska to Mexico, whereas A. behrensi is restricted to California. A. xanthoptera also has yellow wings but differs in distribution and likely in body coloration.

Adults measure 22–40 mm in length. The hind wings are yellow. As a member of the genus Arphia, it likely shares the general body plan of band-winged grasshoppers with long wings extending beyond the abdomen, though specific coloration of the tegmina and body is not detailed in available sources.

Found in California along the Sierra Nevada, the San Francisco Bay Area, and north of the Bay Area. Specific habitat preferences within these regions are not documented, but congeners occupy grasslands, prairies, and open areas with grasses.

Endemic to California, USA. Documented from the Sierra Nevada, the San Francisco Bay Area, and areas north of the Bay Area. GBIF records also indicate presence in southwestern Mexico, though this may represent misidentification or requires verification.

• Arphia pseudonietanaRed hind wings (vs. yellow in A. behrensi); adults present in late summer and fall rather than spring
• Arphia conspersaMore widespread distribution (Alaska to Mexico); hind wing color variable (red or yellow) depending on region; occurs in spring
• Arphia xanthopteraAlso has yellow wings but different distribution and likely different body coloration

• BugGuide
• Wikipedia
• GBIF taxonomy match
• iNaturalist taxon
• Catalogue of Life
• Grasshoppers of Colorado
• Grasshoppers of Colorado
• Specklewinged Grasshopper
• Grasshoppers of Colorado
• Grasshoppers of Colorado
• Species Records and Accounts