UC Santa Barbara Collection Network Research Checklist: Anthophila of Santa Cruz Island

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Home >> Anthophila of Santa Cruz Island Anthophila of Santa Cruz Island Name Game Flash Card Quiz Authors: Katja C. Seltmann, David Dewey, Evan Hobson, Lynn McLaren, Charlie Thrift & Zoe Wood Citation: Katja C. Seltmann, David Dewey, Evan Hobson, Lynn McLaren, Charlie Thrift, & Zoe Wood. (2021). Native and non-native bees (Anthophila) of Santa Cruz Island: An annotated checklist (0.01). Zenodo. https://doi.org/10.5281/zenodo.3831089 More Details Less Details Locality: Santa Cruz Island, California, United States Abstract: This checklist of Santa Cruz Island bees includes information from prior publications, a previous checklist by Robbin Thorpe, iNaturalist observations, natural history collection specimens, and recent collections by the authors. Taxonomy follows Ascher, J. S. and J. Pickering. 2020. Discover Life bee species guide and world checklist (Hymenoptera: Apoidea: Anthophila). http://www.discoverlife.org/mp/20q?guide=Apoidea_species Notes: Please note that the collectors and determiners of the vouchers for each record. Many of the identifications of newly collected specimens was done by Jamie Pawelek. John S. Ascher supported prior surveys by Robbin Thorpe and determined many of the iNaturalist specimens. The foundation of this checklist is a prior checklist by Robbin Thorpe (https://escholarship.org/uc/item/32s13481). Options Search: Common Names Synonyms Filter: Common Names Display as Images Notes & Vouchers Taxon Authors Show Taxa Alphabetically Simple Map Advanced Map Families: 5 Genera: 35 Species: 142 (species rank) Total Taxa: 153 (including subsp. and var.) ANDRENIDAE *Andrena angustitarsata* Viereck, 1904 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSBees survey... 2019-03-14 [UCSB] , D. R. Miller 1969-04-29 [SCIR] , B. J. Donovan 1969-04-27 [SCIR] , R. W. Thorp 1971-03-08 [SCIR] , more......less *Andrena anisochlora* Cockerell, 1936 R. O. Schuster 1971-03-11 [SCIR] , R. O. Schuster 1971-03-11 [SCIR] , R. O. Schuster 1971-03-11 [SCIR] , Schuster, R.O. 1971-03-11 [SCIR] , more......less *Andrena auricoma* Smith, 1879 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; J. S. Ascher 2008-04-11 [0000] , J. S. Ascher, R. W. Thorp 2008-04-07 [0000] *Andrena baeriae* Timberlake, 1941 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; J. S. Ascher 2008-04-10 [0000] , J. S. Ascher 2008-04-10 [0000] , J. S. Ascher 2008-04-10 [0000] , J. S. Ascher 2008-04-10 [0000] , more......less *Andrena caerulea* Smith, 1879 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; J. S. Ascher, R. W. Thorp 2008-04-07 [0000] , J. S. Ascher, R. W. Thorp 2008-04-07 [0000] , J. S. Ascher, R. W. Thorp 2008-04-07 [0000] , J. S. Ascher, R. W. Thorp 2008-04-07 [0000] , more......less *Andrena candida* Smith, 1879 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; J. S. Ascher, R. W. Thorp 2008-04-09 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-09 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-08 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-08 [SCIR] , more......less *Andrena chlorogaster* Viereck, 1904 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSBees Survey... 2019-04-15 [UCSB] , UCSBees survey... 2019-03-14 [UCSB] , UCSBees survey... 2019-03-14 [UCSB] , UCSBees survey... 2019-03-14 [UCSB] , more......less *Andrena chlorura* Cockerell, 1916 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; J. S. Ascher, R. W. Thorp 2008-04-09 [0000] *Andrena duboisi* Timberlake, 1951 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; J. S. Ascher 2008-04-10 [0000] , J. S. Ascher 2008-04-10 [0000] , J. S. Ascher 2008-04-10 [0000] , J. S. Ascher 2008-04-10 [0000] , more......less *Andrena gnaphalii* Cockerell, 1938 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Andrena hypoleuca* Cockerell, 1939 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; J. S. Ascher, R. W. Thorp 2008-04-07 [0000] , J. S. Ascher, R. W. Thorp 2008-04-07 [0000] , J. S. Ascher, R. W. Thorp 2008-04-07 [0000] , J. S. Ascher, R. W. Thorp 2008-04-08 [0000] , more......less *Andrena macrocephala* Cockerell, 1916 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Andrena nigrocaerulea* Cockerell, 1897 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; J. S. Ascher 2008-04-11 [0000] , J. S. Ascher, R. W. Thorp 2008-04-09 [0000] , J. S. Ascher, R. W. Thorp 2008-04-09 [0000] , J. S. Ascher, R. W. Thorp 2008-04-09 [0000] , more......less *Andrena oenotherae* Timberlake, 1937 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSB-IZC00034409 1983-06-30 [UCSB] , J. S. Ascher, R. W. Thorp 2008-04-10 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-10 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-10 [SCIR] , more......less *Andrena pallidifovea* (Viereck, 1904) In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; D. S. Horning 1969-04-27 [0000] , D. S. Horning 1969-04-27 [0000] , D. S. Horning 1969-04-27 [0000] , D. S. Horning 1969-04-27 [0000] , more......less *Andrena perimelas* Cockerell, 1905 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; Scott E. Miller... 1979-05-18 [0000] *Andrena piperi* Viereck, 1904 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSBees Survey... 2019-04-15 [UCSB] , R. W. Thorp 1971-03-11 [SCIR] , R. O. Schuster 1971-03-11 [SCIR] , R. O. Schuster 1971-03-11 [SCIR] , more......less *Andrena plana* Viereck, 1904 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; J. S. Ascher, R. W. Thorp 2008-04-10 [0000] *Andrena principalis* LaBerge, 1986 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; Adrian Wenner 34 [UCSB] , Adrien Wenner 35 [UCSB] , Adrian Wenner 30 [UCSB] , Adrian Wenner 32 [UCSB] , more......less *Andrena prunorum* Cockerell, 1896 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; J. S. Ascher 2008-04-11 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-09 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-09 [SCIR] , NPS Staff 2012-07-11 [SCIR] , more......less *Andrena sola* Viereck, 1917 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; J. S. Ascher, R. W. Thorp 2008-04-09 [0000] *Andrena sp. A* Fabricius, 1775 UCSBees survey... 2019-03-14 [UCSB] , UCSBees; David Dewey 2019-02-18 [UCSB] *Andrena sp. B* Fabricius, 1775 UCSBees; David Dewey 2019-02-18 [UCSB] *Andrena sp. C* Fabricius, 1775 UCSB-IZC00033816 16 [UCSB] , UCSBees; David Dewey 2019-02-18 [UCSB] *Andrena suavis* Timberlake, 1938 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Andrena subaustralis* Cockerell, 1898 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; J. S. Ascher, R. W. Thorp 2008-04-10 [0000] *Andrena submoesta* Viereck, 1917 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; J. S. Ascher, R. W. Thorp 2008-04-10 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-10 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-10 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-10 [SCIR] , more......less *Andrena subtilis* Smith, 1879 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Andrena vandykei* Cockerell, 1936 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; Adrian Wenner 50 [UCSB] , A. Wenner 1992-01-19 [UCSB] , UCSB-IZC00035470 1992-01-19 [UCSB] , A. Wenner 1992-01-19 [UCSB] , more......less *Calliopsis (Micronomadopsis)* Smith, 1853 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Heterosarus californicus* Cresson, 1878 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Panurginus armaticeps* Cockerell, 1916 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Panurginus gracilis* Michener, 1935 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Panurginus melanocephalus* (Cockerell, 1926) UCSBees Survey... 2019-02-18 [UCSB] , UCSBees; David Dewey 2019-02-18 [UCSB] *Perdita layiae* Cockerell, 1938 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; J. S. Ascher, R. W. Thorp 2008-04-10 [0000] , J. S. Ascher, R. W. Thorp 2008-04-10 [0000] , J. S. Ascher, R. W. Thorp 2008-04-10 [0000] , J. S. Ascher, R. W. Thorp 2008-04-10 [0000] , more......less APIDAE *Anthophora californica* Cresson, 1869 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; J. S. Ascher, R. W. Thorp 2008-04-08 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-08 [SCIR] , Pinto, J.D. 1976-04-23 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-08 [0000] , more......less *Anthophora edwardsii* Cresson, 1878 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCRC ENT 387651 1976-04-23 [SCIR] , Clark, G. 1976-04-23 [SCIR] , UCRC ENT 387650 1983-04-15 [SCIR] , Clark, G. 1976-04-23 [0000] , more......less *Anthophora urbana* Cresson, 1878 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSB-IZC00034486 19 [UCSB] , Susan Teel 2012-09-21 [SCIR] , Susan Teel 2012-09-21 [SCIR] , Susan Teel 2012-07-11 [SCIR] , more......less *Apis mellifera* Linnaeus, 1758 - western honey bee Extinct since about 2004. Non-native. In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; Scott E. Miller... 1979-05-18 [0000] , Scott E. Miller... 1979-05-18 [0000] , SBMNHENT0116685 1981-07-08 [0000] , Scott E. Miller 1979-09-23 [0000] , more......less *Bombus californicus* Smith, 1854 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSB-IZC00035513 1976-06-00 [UCSB] , Susan Teel 2012-10-10 [SCIR] , Susan Teel 2012-09-18 [SCIR] , Susan Teel 2012-10-10 [0000] , more......less *Bombus crotchii* Cresson, 1878 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Bombus melanopygus* Nylander, 1848 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; Adrien Wenner 45 [UCSB] , UCSB-IZC00035189 1973-05-26 [UCSB] , UCSB Natural... 2017-05-28 [UCSB] , UCSB-IZC00035333 18 [UCSB] , more......less *Bombus occidentalis* Greene, 1858 Susan Teel 2012-07-12 [SCIR] , Susan Teel 2012-07-12 [SCIR] , Susan Teel 2012-07-12 [SCIR] , Susan Teel 2012-07-12 [SCIR] , more......less *Bombus vosnesenskii* Radoszkowski, 1862 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSBees survey... 2019-03-14 [UCSB] , Susan Teel 2012-04-04 [SCIR] , Susan Teel 2012-09-21 [SCIR] , Susan Teel 2012-09-21 [SCIR] , more......less *Ceratina acantha* Provancher, 1895 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSB-IZC00034481 26 [UCSB] , UCSB-IZC00035396 38 [UCSB] , UCSB-IZC00035628 24 [UCSB] , UCSB-IZC00035343 23 [UCSB] , more......less *Ceratina nanula* Cockerell, 1897 UCSBees; David Dewey 2019-03-15 [UCSB] , UCSBees; David Dewey 2019-08-18 [UCSB] *Diadasia australis* (Cresson, 1878) Susan Teel 2012-07-11 [SCIR] , Susan Teel 2012-07-11 [SCIR] , Susan Teel 2012-07-11 [0000] , Susan Teel 2012-07-11 [0000] *Diadasia bituberculata* (Cresson, 1878) In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; Josue Alatorre 2018-05-07 [UCSB] , 2018-06-14 [UCSB] , 2019-07-06 [UCSB] , 2019-07-07 [UCSB] , more... 2019-05-30 [UCSB] ...less *Diadasia nigrifrons* (Cresson, 1878) source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Diadasia nitidifrons* Cockerell, 1905 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Diadasia ochracea* (Cockerell, 1903) UCSB Natural... 2017-05-28 [UCSB] , UCSB Natural... 2017-05-28 [UCSB] *Diadasia rinconis* Cockerell, 1897 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSB-IZC00014660 1975-05-24 [UCSB] , UCSB-IZC00034432 1979-06-20 [UCSB] , Irwin, M.E. 1968-05-04 [SCIR] , Irwin, M.E. 1968-05-04 [SCIR] , more......less *Epeolus minimus* (Robertson, 1902) In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Eucera actuosa* (Cresson, 1878) In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSBees Survey... 2019-03-15 [UCSB] , UCSBees Survey... 2019-03-14 [UCSB] , UCSBees Survey... 2019-03-10 [UCSB] , UCSBees Survey... 2019-03-14 [UCSB] , more......less *Eucera amsinckiae* (Timberlake, 1969) In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Eucera edwardsii* (Cresson, 1878) In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; Susan Teel 2012-04-04 [SCIR] , Susan Teel 2012-05-19 [SCIR] , Susan Teel 2012-05-19 [SCIR] , Susan Teel 2012-05-19 [0000] , more......less *Eucera frater albopilosa* (Fowler, 1899) In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; 2018-04-20 [UCSB] *Eucera lunata* (Timberlake, 1969) UCSBees; David Dewey 2019-02-18 [UCSB] *Exomalopsis cerei* Timberlake, 1947 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Habropoda depressa* Fowler, 1899 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSB-IZC00014915 1976-03-00 [UCSB] , UCSB-IZC00033743 17 [UCSB] , J. S. Ascher, R. W. Thorp 2008-04-08 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-08 [SCIR] , more......less *Habropoda miserabilis* Cresson, 1879 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Melecta separata callura* Cresson, 1879 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Melissodes lupina* Cresson, 1878 UCSB-IZC00034625 17 [UCSB] , Susan Teel 2012-07-11 [SCIR] , Susan Teel 2012-09-18 [SCIR] , Susan Teel 2012-09-18 [SCIR] , more......less *Melissodes lustrus* LaBerge, 1961 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Melissodes stearnsi* Cockerell, 1905 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSB-IZC00033788 18 [UCSB] *Melissodes tepida timberlakei* Cockerell, 1926 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Nomada edwardsii* Cresson, 1878 J. S. Ascher, R. W. Thorp 2008-04-11 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-08 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-08 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-08 [SCIR] , more......less *Nomada formula* Viereck, 1902 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Nomada hesperia* Cockerell, 1903 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Nomada semisuavis* Cockerell, 1910 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Nomada suavis* Cresson, 1978 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Triepeolus heterurus* Cockerell & Sandhouse, 1924 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Xeromelecta californica* (Cresson, 1878) In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSB-IZC00033821 23 [UCSB] , SBMNHENT0116915 1979-06-20 [0000] COLLETIDAE *Colletes hyalinus gaudialis* Cockerell, 1905 - cellophane bee In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSB-IZC00035459 1975-09-18 [UCSB] , Susan Teel 2012-10-12 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-08 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-08 [SCIR] , more......less *Colletes kincaidii* Cockerell, 1898 Susan Teel 2012-07-11 [SCIR] , Susan Teel 2012-09-18 [SCIR] , Susan Teel 2012-07-11 [SCIR] *Colletes slevini* Cockerell, 1925 UCSB-IZC00014679 17 [UCSB] , UCSB-IZC00014727 23 [UCSB] , UCSB-IZC00014755 29 [UCSB] , UCSB-IZC00014862 20 [UCSB] , more......less *Hylaeus mesillae* (Cockerell, 1896) Susan Teel 2012-09-21 [SCIR] , Susan Teel 2012-09-21 [0000] , Katja Seltmann... 2021-04-09 [UCSB] *Hylaeus polifolii* (Cockerell, 1901) In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSB-IZC00035457 55 [UCSB] , UCSB-IZC00024993 15 [UCSB] , UCSB-IZC00019981 52 [UCSB] , UCSB-IZC00035590 53 [UCSB] , more......less *Hylaeus rudbeckiae* (Cockerell and Casad, 1895) J. S. Ascher, R. W. Thorp 2008-04-08 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-08 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-08 [SCIR] , J. S. Ascher, R. W. Thorp 2008-04-09 [SCIR] , more......less HALICTIDAE *Agapostemon texanus* Cresson, 1872 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSB-IZC00005594 [UCSB] , UCSB-IZC00005612 [UCSB] , UCSB-IZC00005937 2005-06-19 [UCSB] , UCSB-IZC00014705 1983-06-30 [UCSB] , more......less *Augochlorella pomoniella* (Cockerell, 1915) In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSB Natural... 2017-05-28 [UCSB] , UCSB-IZC00034993 [UCSB] , UCSB-IZC00034607 43 [UCSB] , UCSB-IZC00034594 46 [UCSB] , more......less *Halictus farinosus* Smith, 1853 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSB Natural... 2017-05-28 [UCSB] , UCSB Natural... 2017-05-28 [UCSB] , UCSBees Survey... 2019-01-19 [UCSB] , UCSBees survey... 2019-03-15 [UCSB] , more......less *Halictus harmonius* Sandhouse, 1941 Susan Teel 2012-10-10 [SCIR] *Halictus ligatus* Say, 1837 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Halictus rubicundus* (Christ, 1791) UCSB Natural... 2017-05-28 [SCIR] , UCSB Natural... 2017-05-28 [SCIR] *Halictus seladonius* (Fabricius, 1794) R. L. Doutt 1981-07-08 [SCIR] *Halictus tripartitus* Cockerell, 1895 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; UCSB-IZC00035447 36 [UCSB] , UCSB-IZC00035328 35 [UCSB] , UCSB-IZC00035255 8 [UCSB] , UCSBees Survey... 2019-05-08 [UCSB] , more......less *Lasioglossum albohirtum* (Crawford, 1907) Susan Teel 2012-05-19 [SCIR] , Susan Teel 2012-05-19 [SCIR] *Lasioglossum argemonis* (Cockerell, 1897) source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Lasioglossum avalonense* (Cockerell, 1938) Susan Teel 2012-04-05 [SCIR] , Susan Teel 2012-04-04 [SCIR] , Susan Teel 2012-04-04 [SCIR] , Susan Teel 2012-04-04 [SCIR] *Lasioglossum brunneiventre* (Crawford, 1907) Susan Teel 2012-04-04 [SCIR] *Lasioglossum cabrilli* (Cockerell, 1937) NPS Staff 2012-04-03 [SCIR] , NPS Staff 2012-04-03 [SCIR] , Susan Teel 2012-10-10 [SCIR] , Susan Teel 2012-07-11 [SCIR] *Lasioglossum californiae* (Ellis, 1924) source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Lasioglossum channelense* McGinley, 1986 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; Susan Teel 2012-05-19 [0000] , Susan Teel 2012-07-11 [0000] , Susan Teel 2012-07-11 [0000] , Susan Teel 2012-07-11 [0000] , more......less *Lasioglossum diversopunctatum* (Ellis, 1914) source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Lasioglossum hammondi* (Cockerell, 1938) Susan Teel 2012-09-18 [SCIR] , Susan Teel 2012-05-19 [SCIR] , Susan Teel 2012-04-03 [SCIR] , Susan Teel 2012-04-03 [SCIR] , more......less *Lasioglossum hyalinum* (Crawford, 1907) Susan Teel 2012-09-18 [SCIR] *Lasioglossum incompletum* (Crawford, 1907) UCSB-IZC00035553 46 [UCSB] , UCSB-IZC00035402 48 [UCSB] , UCSB-IZC00035291 1989-07-13 [UCSB] , UCSBees Survey... 2019-02-18 [UCSB] , more......less *Lasioglossum kincaidii* (Cockerell, 1898) In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007];; Susan Teel 2012-04-04 [SCIR] , Susan Teel 2012-04-03 [SCIR] , Susan Teel 2012-04-03 [SCIR] , Susan Teel 2012-05-19 [SCIR] , more......less *Lasioglossum mellipes* (Crawford, 1907) UCSB Natural... 2017-05-28 [UCSB] , UCSBees Survey... 2019-02-18 [UCSB] , UCSBees Survey... 2019-02-18 [UCSB] , UCSBees Survey... 2019-02-18 [UCSB] , more......less *Lasioglossum microlepoides* (Ellis, 1914) source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Lasioglossum miguelense* (Cockerell, 1937) source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Lasioglossum nevadense* (Crawford, 1907) J. S. Ascher, R. W. Thorp 2008-04-09 [SCIR] , Susan Teel 2012-07-11 [SCIR] , Susan Teel 2012-07-11 [SCIR] , Susan Teel 2012-07-11 [SCIR] , more......less *Lasioglossum nigrescens* (Crawford, 1907) source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Lasioglossum ovaliceps* (Cockerell, 1898) source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; *Lasioglossum perichlarus* (Cockerell, 1937) source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Lasioglossum punctatoventre* (Crawford, 1907) Susan Teel 2012-04-04 [SCIR] *Lasioglossum sp. E* Adrian Wenner 20 [UCSB] , UCSBees Survey... 2019-02-18 [UCSB] , UCSBees Survey... 2019-02-18 [UCSB] , UCSBees Survey... 2019-02-18 [UCSB] , more......less *Lasioglossum sp. F* Robertson, 1902 UCSB-IZC00035566 48 [UCSB] , UCSB-IZC00035233 47 [UCSB] *Lasioglossum sp. L* Robertson, 1902 UCSBees survey... 2019-02-18 [UCSB] , UCSBees survey... 2019-03-14 [UCSB] , UCSBees survey... 2019-03-14 [UCSB] *Lasioglossum sp. SB-1* Robertson, 1902 UCSBees survey... 2019-01-19 [UCSB] , UCSBees Survey... 2019-01-19 [UCSB] , UCSBees Survey... 2019-02-18 [UCSB] , UCSBees survey... 2019-03-15 [UCSB] *Lasioglossum sp. SB-2* Robertson, 1902 UCSBees survey... 2019-04-15 [UCSB] *Lasioglossum sp. SB-3* Robertson, 1902 UCSBees Survey... 2019-04-15 [UCSB] *Lasioglossum sp. SB-A* UCSBees survey... 2019-02-18 [UCSB] , UCSBees survey... 2019-02-18 [UCSB] , UCSBees survey... 2019-01-19 [UCSB] , UCSBees survey... 2019-02-18 [UCSB] , more......less *Lasioglossum sp. SB-B* UCSBees survey... 2019-03-14 [UCSB] , UCSBees survey... 2019-03-14 [UCSB] *Lasioglossum tegulare* (Robertson, 1890) UCSBees Survey... 2019-02-18 [UCSB] , UCSBees survey... 2019-03-15 [UCSB] , UCSBees survey... 2019-03-15 [UCSB] , UCSBees survey... 2019-03-15 [UCSB] *Lasioglossum titusi* (Crawford, 1902) In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; Susan Teel 2012-05-19 [SCIR] , Susan Teel 2012-09-18 [SCIR] , NPS Staff 2012-09-18 [SCIR] , NPS Staff 2012-07-11 [SCIR] , more......less *Sphecodes sp.* Latreille, 1804 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007];; UCSB-IZC00005630 2005-05-29 [UCSB] , UCSBees Survey... 2019-04-15 [UCSB] , Susan Teel 2012-07-12 [SCIR] , Susan Teel 2012-09-18 [SCIR] , more......less MEGACHILIDAE *Anthidium collectum* Huard, 1896 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007];; S. Miller & E. Paddock 1979-05-19 [0000] , Katja Seltmann... 2021-04-10 [UCSB] *Anthidium illustre* Cresson, 1879 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Anthidium maculosum* Cresson, 1878 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Ashmeadiella cactorum basalis* Michener, 1936 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Ashmeadiella chumashae* Griswold, 1895 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Ashmeadiella cubiceps* (Cresson, 1879) UCRC ENT 219069 1976-04-23 [SCIR] *Ashmeadiella opuntiae* (Cockerell, 1897) source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Ashmeadiella timberlakei* Michener, 1936 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Ashmeadiella xenomastax* Michener, 1939 NPS Staff 2012-05-19 [SCIR] *Atoposmia copelandica albomarginata* (Cockerell, 1935) source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Coelioxys octodentata* Say, 1824 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Dioxys productus cismontanicus* Hurd, 1958 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Megachile angelarum* Cockerell, 1902 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Megachile apicalis* Spinola, 1808 Introduced by 1988; In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007];; UCSB-IZC00034473 11 [UCSB] , UCSB-IZC00033032 43 [UCSB] , UCSB-IZC00033782 44 [UCSB] *Megachile brevis* Say, 1837 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Megachile coquilletti* Cockerell, 1915 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Megachile fidelis* Cresson, 1878 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Megachile montivaga* Cresson, 1878 Susan Teel 2012-04-05 [SCIR] , Susan Teel 2012-04-05 [SCIR] , Susan Teel 2012-04-05 [SCIR] , Susan Teel 2012-04-05 [SCIR] , more...Susan Teel 2012-04-05 [SCIR] ...less *Megachile onobrychidis* Cockerell, 1908 UCSB-IZC00035469 10 [UCSB] , UCSB-IZC00035194 9 [UCSB] , UCSB-IZC00035177 42 [UCSB] , UCSB-IZC00035187 41 [UCSB] , more......less *Megachile rotundata* (Fabricius, 1793) UCSB-IZC00035163 12 [UCSB] *Osmia albolateralis* Cockerell,1906 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Osmia austromaritima* Michener, 1936 Susan Teel 2012-04-03 [SCIR] *Osmia bruneri* Cockerell, 1897 NPS Staff 2012-07-11 [SCIR] *Osmia californica* Cresson, 1864 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007];; Susan Teel 2012-04-05 [SCIR] , Susan Teel 2012-04-05 [SCIR] , NPS Staff 2012-04-03 [SCIR] , Susan Teel 2012-04-05 [0000] , more......less *Osmia calla* Cockerell, 1897 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Osmia clarescens* Cockerell, 1911 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007];; UCSBees Survey... 2019-04-15 [UCSB] *Osmia coloradensis* Cresson, 1878 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007];; UCSB-IZC00034496 49 [UCSB] *Osmia gabrielis* Cockerell, 1910 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Osmia gaudiosa* Cockerell, 1907 Susan Teel 2012-04-04 [SCIR] , Susan Teel 2012-04-04 [SCIR] *Osmia kincaidii* Cockerell, 1897 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Osmia laeta* Sandhouse, 1924 Susan Teel 2012-05-19 [SCIR] , Susan Teel 2012-05-19 [0000] *Osmia nemoris* Sandhouse, 1924 In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007];; Susan Teel 2012-07-11 [SCIR] , Susan Teel 2012-07-11 [0000] *Osmia tristella* Cockerell, 1897 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007] *Protosmia rubifloris* (Cockerell, 1898) In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]; Susan Teel 2012-04-05 [SCIR] , Clark, G. 1976-04-23 [SCIR] , UCSBees; David Dewey 2019-03-15 [UCSB] , UCSBees; David Dewey 2019-05-08 [UCSB] , more......less *Stelis sp.* Panzer, 1806 source: In "List of Bees of Santa Cruz Island, CA by Robbin W. Thorp, U.C. Davis [18 April 2007]
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