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E2 [endemic to California floristic province (Hickman, 1993)]
Found most commonly in these habitats: 7 times found in oak woodland, 4 times found in pine/oak woodland, 5 times found in live-oak grassland, 3 times found in dry, scrubby oak woodland, 2 times found in Quercus-Pinus-Pseudotsuga forest, 1 times found in Spruce-fir-pine forest, 1 times found in grassland, 1 times found in mid-alt hardwood/evergreen forest, 1 times found in mid-alt mixed hardwood forest, 1 times found in mixed conifer forest, ...
Found most commonly in these microhabitats: 2 times foragers on Quercus garryana at night, 5 times ex live oak tree, 3 times on tree trunk, 1 times on oak trunk, nocturnal, 2 times in branch of live oak tree, 2 times ex deciduous (not live) oak- unusual, 1 times stray workers, 1 times on tree trunk (Quercus agrifolia), 1 times on low vegetation, 1 times Messor nest midden, 1 times in newly felled live oak, ...
Collected most commonly using these methods: 5 times hand collecting, 3 times pitfall trap, 1 times direct collection.
Elevations: collected from 10 - 1924 meters, 959 meters average