William M. Janousek Tabitha A. Graves 20210309 raster digital data https://doi.org/10.5066/P9QY8ZA0 Tabitha A. Graves William M. Janousek Sarah M. Gaulke Amy C. Nicholas Douglas A. Keinath Christine M. Bell Syd Cannings Richard G. Hatfield Jennifer M. Heron Jonathan B. Koch Helen L. Loffland Leif L. Richardson Ashley T. Rohde Jessica Rykken James P. Strange Lusha M. Tronstad Cory S. Sheffield 20200626 publication Ecosphere vol. 11, issue 6 n/a Wiley https://doi.org/10.1002/ecs2.3141 These data represent occupancy estimates for western bumble bee across the western continental United States and the spatial variation in detection probabilities that occur during bumble bee surveys. This product contains five raster layers (appearing as separate bands in a multi-band raster). The first two bands represent the predicted occupancy of western bumble bee in 1998 and 2018. We modeled western bumble bee occupancy as a function of: latitude, longitude, elevation, year, and land cover. The last three bands represent the spatial variation in detection probabilities predicted to occur for surveys conducted across the western United States on three dates (May 15, July 15, and September 15). We modeled detection probabilities as a function of: land cover, bloom date (the date at which floral resources become available), days since bloom initiation, and the interaction between bloom date and days since bloom. Further details on the creation of this product are described in: Graves, T.A., Janousek, W.M., Gaulke, S.M., Nicholas, A.C., Keinath, D.A., Bell, C.M., Cannings, S., Hatfield, R.G., Heron, J.M., Koch, J.B., Loffland, H.L., Richardson, L.L., Rohde, A.T., Rykken, J., Strange, J.P., Tronstad, L.M., and C.S. Sheffield. 2020. Western bumble bee: declines in the continental United States and range‐wide information gaps. Ecosphere, 11(6), p.e03141. https://doi.org/10.1002/ecs2.3141 This supports pre-listing science for species under consideration by the U.S. Fish and Wildlife Service. These data were generated to inform the species status assessment of western bumble bee being conducted by the U.S. Fish and Wildlife Service and to inform sample design. Appropriate uses of this data include examining the distribution of western bumble bee as well as for bumble bee survey planning purposes. 1998 2018 See Supplemental Info Complete None planned -127.8486 -98.3855 51.5615 30.9788 Geographic extent of western bumble bee occupancy models 1998-2018 ISO 19115 Topic Category biota USGS Thesaurus wildlife biology ecosystems None Western Bumble Bee Bombus occidentalis Occupancy Probability Detection Probability USGS Metadata Identifier USGS:60218782d34e31ed20c869ba Common geographic areas United States North America Montana California Colorado Idaho South Dakota North Dakota Kansas Nebraska Wyoming New Mexico Arizona Nevada Oregon Washington Utah None. Please see 'Distribution Info' for details. None. Users are advised to read the dataset's metadata thoroughly to understand appropriate use and data limitations. Tabitha A Graves U.S. Geological Survey, MIDCONTINENT REGION Research Ecologist mailing address

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West Glacier MT 59936 US 406-888-7994 406-888-5835 tgraves@usgs.gov USGS Biocomplexity Insect Integrated Taxonomic Information System (ITIS) 2021 ONLINE_REFERENCE Washington, D.C. Integrated Taxonomic Information System (ITIS) http://itis.gov expert knowledge Kingdom Animalia Subkingdom Bilateria Infrakingdom Protostomia Superphylum Ecdysozoa Phylum Arthropoda Subphylum Hexapoda Class Insecta Subclass Pterygota Infraclass Neoptera Superorder Holometabola Order Hymenoptera Suborder Apocrita Infraorder Aculeata Superfamily Apoidea Family Apidae Subfamily Apinae Tribe Bombini Genus Bombus Species Bombus occidentalis TSN: 714827 Not conducted. Not conducted. The occupancy data are predictions only and do not represent confirmed presence in any particular area. An extra-large definition of range was used in this modeling. Similarly, detection estimates are informed only by the covariates examined and may not account for factors influencing local variation. Areas that include large water bodies and the salt flats surrounding the Great Salt Lake, Utah, have been excluded from the predicted layers. L.L. Richardson 20190503 spreadsheet https://www.leifrichardson.org/bbna.html Digital and/or Hardcopy 19980101 20181231 publication date BBNA Database Presence absence data used in occupancy model. USA-National Phenology Network 2016 raster digital data https://www.sciencebase.gov U.S. Geological Survey https://doi.org/10.5066/f7xd0zrk Digital and/or Hardcopy 19980101 20181231 publication date NPN Data Spring indices, first bloom spring index used in detection portion of occupancy model. United States Department of the Interior, United States Geological Survey, National Atlas of the United States 2007 3 raster digital data https://www.sciencebase.gov/catalog/item/4fb54c51e4b04cb937751d78 Digital and/or Hardcopy 20070101 publication date Elevation Data Elevation data used as explanatory variable in occupancy model. United States Department of Interior, United States Geological Survey 2014 1.4.0 raster digital data https://landfire.cr.usgs.gov/version_comparison.php Digital and/or Hardcopy 20140101 publication date Landfire Data Landcover data used as explanatory variable in occupancy model. See parent manuscript for full detailed explanation of modeling process: Graves, T.A., Janousek, W.M., Gaulke, S.M., Nicholas, A.C., Keinath, D.A., Bell, C.M., Cannings, S., Hatfield, R.G., Heron, J.M., Koch, J.B., Loffland, H.L., Richardson, L.L., Rohde, A.T., Rykken, J., Strange, J.P., Tronstad, L.M., and C.S. Sheffield. 2020. Western bumble bee: declines in the continental United States and range‐wide information gaps. Ecosphere, 11(6), p.e03141. https://doi.org/10.1002/ecs2.3141 20200626 Tabitha A Graves U.S. Geological Survey, MIDCONTINENT REGION Research Ecologist mailing address

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West Glacier MT 59936 US 406-888-7994 406-888-5835 tgraves@usgs.gov Raster Grid Cell 1982 2134 5 Albers Conical Equal Area 29.5 45.5 -96.0 23.0 0.0 0.0 row and column 1000.0 1000.0 meters North_American_Datum_1983 GRS 1980 6378137.0 298.2572221010042 WBB_Occ_Det_1998_2018.tif 5 band raster geospatial data file. Producer Defined Western Bumble Bee Occupancy Probability 1998 Band 1. Unique numeric values contained in each raster cell. Predicted western bumble bee occupancy probability 1998. Producer Defined 0.0091846967 0.9638103 Occupancy Probability WBB_Occ_Det_1998_2018.tif 5 band raster geospatial data file. Producer Defined Western Bumble Bee Occupancy Probability 2018 Band 2. Unique numeric values contained in each raster cell. Predicted western bumble bee occupancy probability 2018. Producer Defined 0.0005663364 0.6194831 Occupancy Probability WBB_Occ_Det_1998_2018.tif 5 band raster geospatial data file. Producer Defined Western Bumble Bee Detection Probability May 15 Band 3. Unique numeric values contained in each raster cell. Predicted western bumble bee detection probability (May 15). Producer Defined 0.0305220094 0.4790703 Detection Probability WBB_Occ_Det_1998_2018.tif 5 band raster geospatial data file. Producer Defined Western Bumble Bee Detection Probability July 15 Band 4. Unique numeric values contained in each raster cell. Predicted western bumble bee detection probability (July 15). Producer Defined 0.0885340050 0.6902719 Detection Probability WBB_Occ_Det_1998_2018.tif 5 band raster geospatial data file. Producer Defined Western Bumble Bee Detection Probability Sept 15 Band 5. Unique numeric values contained in each raster cell. Predicted western bumble bee detection probability (September 15). Producer Defined 0.0727220923 0.5927896 Detection Probability U.S. Geological Survey GS ScienceBase mailing address

Denver Federal Center, Building 810, Mail Stop 302

Denver CO 80225 United States 1-888-275-8747 sciencebase@usgs.gov Unless otherwise stated, all data, metadata and related materials are considered to satisfy the quality standards relative to the purpose for which the data were collected. Although these data and associated metadata have been reviewed for accuracy and completeness and approved for release by the U.S. Geological Survey (USGS), no warranty expressed or implied is made regarding the display or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. Digital Data https://doi.org/10.5066/P9QY8ZA0 None 20210309 Tabitha A Graves U.S. Geological Survey, MIDCONTINENT REGION Research Ecologist mailing address

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West Glacier MT 59936 US 406-888-7994 406-888-5835 tgraves@usgs.gov FGDC Biological Data Profile of the Content Standard for Digital Geospatial Metadata FGDC-STD-001.1-1999