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E1 [endemic to California]
Found most commonly in these habitats: 1 times found in cactus scrub, 2 times found in on barren rocky slope, 1 times found in Sparse Creosote, Encelia farinosa, Erigonum inflatum, Ambrosia dumosa., 1 times found in on rocky slope, 1 times found in Rocky slope, 1 times found in Sonoran desert.
Found most commonly in these microhabitats: 2 times small nest in rocks, 1 times Nest w/3 entr. + small chaff pile on bare slope. No crater. VERY rocky., 1 times nest on boulder slope, small nest, 1 times ground nest, inconspicuous nest entrance, no pebbles, some old chaff near nest e.
Elevations: collected from 100 - 850 meters, 252 meters average