Table 3.
State and county | Status by Aug. 2015a | Status change from Dennis et al. (1998)b |
Source for change of status from Dennis et al. (1998) survey |
---|---|---|---|
Arizona | |||
Mohave | Established | ||
California | |||
Alameda | Established | ||
Amador | Established | ||
Butte | Established | ||
Calaveras | Established | ||
Colusa | Established | ||
Contra Costa | Established | ||
Del Norte | Established | ||
El Dorado | Established | ||
Fresno | Established | ||
Glenn | Established | ||
Humboldt | Established | ||
Imperial | Established | ||
Inyo | Established | ||
Kern | Established | ||
Kings | Established | ||
Lake | Established | ||
Lassen | Established | ||
Los Angeles | Established | ||
Madera | Established | ||
Marin | Established | ||
Mariposa | Established | ||
Mendocino | Established | ||
Merced | Established | ||
Mono | Reported | ||
Monterey | Established | ||
Napa | Established | ||
Nevada | Established | ||
Orange | Established | ||
Placer | Established | ||
Plumas | Established | ||
Riverside | Established | ||
Sacramento | Established | ||
San Benito | Established | ||
San Bernardino | Established | ||
San Diego | Established | ||
San Francisco | Established | ||
San Joaquin | Established | ||
San Luis Obispo | Established | ||
San Mateo | Established | ||
Santa Barbara | Established | ||
Santa Clara | Established | ||
Santa Cruz | Established | ||
Shasta | Established | ||
Sierra | Established | ||
Siskiyou | Established | ||
Solano | Established | ||
Sonoma | Established | ||
Stanislaus | Established | ||
Sutter | Established | ||
Tehama | Established | ||
Trinity | Established | ||
Tulare | Established | ||
Tuolumne | Established | ||
Ventura | Established | ||
Yolo | Established | ||
Yuba | Established | ||
Nevada | |||
Clark | Reported | ||
Lincoln | Reported | ||
Oregon | |||
Benton | Established | ||
Clackamas | Established | ||
Clatsop | Established | ||
Columbia | Reported | ||
Coos | Established | ||
Curry | Established | ||
Douglas | Established | ||
Hood River | Established | ||
Jackson | Established | ||
Jefferson | Reported | ||
Josephine | Established | ||
Lane | Established | ||
Lincoln | Established | ||
Linn | Established | ||
Marion | Established | ||
Multnomah | Established | ||
Polk | Reported | ||
Sherman | Established | ||
Tillamook | Established | ||
Umatilla | Reported | ||
Wasco | Established | ||
Washington | Established | ||
Utah | |||
Beaver | Reported | ||
Juab | Established | ||
Millard | Reported | ||
Piute | Reported | ||
Salt Lake | Established | ||
Tooele | Established | R-E | (Davis et al. 2015) |
Utah | Established | ||
Washington | Established | ||
Washington | |||
Chelan | Established | ||
Clallam | Established | N-E | E. Dykstra, unpublished |
Clark | Established | ||
Cowlitz | Established | R-E | E. Dykstra, unpublished |
Island | Reported | ||
Jefferson | Established | ||
King | Established | R-E | E. Dykstra, unpublished |
Kitsap | Established | R-E | E. Dykstra, unpublished |
Kittitas | Reported | N-R | E. Dykstra, unpublished |
Klickitat | Established | ||
Lewis | Established | ||
Mason | Established | ||
Okanogan | Reported | N-R | E. Dykstra, unpublished |
Pacific | Reported | N-R | E. Dykstra, unpublished |
Pierce | Established | ||
San Juan | Established | ||
Skagit | Established | ||
Skamania | Established | ||
Snohomish | Reported | ||
Thurston | Established | ||
Whatcom | Established | ||
Yakima | Reported | N-R | E. Dykstra, unpublished |
Fields left blank indicate status was inherited from Dennis et al. (1998)
Established: Six or more ticks or two or more tick life stages; Reported: Fewer than six ticks and one tick life stage only.
N-R, change from No Records to Reported; N-E, change from No Records to Established; R-E, change from Reported to Established.