Identification
Typical large carpenter bee, all black with some bluish/greenish reflections. Male has some lighter markings on pronotum, abdominal segment 1. Compare other Carpenter bees in range, such as X. varipuncta.
Range
Utah, Nevada, California, north to Oregon, south into Mexico.
Habitat
Forests and nearby meadows
Season
Adults fly in late summer
Print References
Milne describes life history and illustrates
X. californica, p. 861, fig. 497
(1)
Powell and Hogue, p. 353--cf.
X. varipuncta, fig. 457
(2)