Department of Biology at the University of Rochester
Click pictures for large version


Centris (Paracentris) caesalpiniae Cockerell male. Photo taken by Lucia de las Salas Arcos


Female Calliopsis (Hypomacrotera) subalpinus Cockerell collecting pollen from Sphaeralcea laxa. Photo taken by Rich Hatfield


One of our pollination sites taken early, April Spring 2005. Most of the flowers in the picture are Lesquerella gordoni, Eschscholziacalifornica and Phacelia spp. Photo by T.H. Roulston

Night blooming cereus (Peniocereus greggii (Engel.) Britt. and Rose. Photo by R.L. Minckley

 

Below is a list of bee species and their floral hosts collected in the San Bernardino Valley from the year 2000 to 2006. Many specimens of bees and plants are not identified, or have not had their identities adequately confirmed. Periodic updates of the data will be made to reflect these changes.

Besides ongoing identifications, another word of caution is that visits to floral hosts are scored regardless of the number of visits to the host, and regardless of sex or if the bee visit was to collect pollen, nectar, or both. Therefore, any conclusions about the significance to the pollination relationship from these tables would be tenuous, and possibly incorrect.

All bee species collected on flowers
Family   
Genus   
All Plant Species from Which Bees Were Collected

Agapostemon angelicus
Agapostemon cockerelli
Agapostemon melliventris
Agapostemon nasutus
Agapostemon tyleri
Ancylandrena koebelei
Ancyloscelis melanostomus
Andrena auricoma
Andrena fracta
Andrena olivacea
Andrena prima
Andrena primulifrons
Andrena semipunctata
Anthidiellum ehrhorni
Anthidiellum notatum
Anthidium atripes
Anthidium cockerelli
Anthidium emarginatum
Anthidium jocosum
Anthidium maculifrons
Anthidium maculosum
Anthidium mormonum
Anthidium palmarum
Anthidium paroselae
Anthidium porterae
Anthophora californica Ph
Anthophora centriformis
Anthophora curta
Anthophora edwardsii
Anthophora exigua
Anthophora lesquerellae
Anthophora maculifrons
Anthophora pachyodonta
Anthophora petrophila
Anthophora phenax
Anthophora porterae
Anthophora salazariae
Anthophora urbana
Anthophora vallorum
Anthophora vannigera
Anthophorula albata
Anthophorula centralis
Anthophorula compactula
Anthophorula completa
Anthophorula consobrina
Anthophorula euphorbiae
Anthophorula exilis
Anthophorula gutierreziae
Anthophorula palmarum
Anthophorula pygmaea
Anthophorula rozeni
Anthophorula rufiventris
Anthophorula scapalis
Anthophorula tricinctula
Apis mellifera
Ashmeadiella bigeloviae
Ashmeadiella breviceps
Ashmeadiella bucconis
Ashmeadiella cactorum
Ashmeadiella cazieri
Ashmeadiella clypeodentata
Ashmeadiella cubiceps clypeata
Ashmeadiella foveata
Ashmeadiella gillettei
Ashmeadiella gillettei rubra
Ashmeadiella gillettei rufiventris
Ashmeadiella holtii
Ashmeadiella hurdiana
Ashmeadiella leucozona
Ashmeadiella meliloti
Ashmeadiella occipitalis
Ashmeadiella opuntiae
Ashmeadiella prosopidis
Ashmeadiella rhodognatha
Ashmeadiella vandykiella
Atoposmia hypostomalis
Augochlorella neglectula neglectula
Augochlorella pomoniella
Augochloropsis metallica
Augochloropsis metallica metallica
Bombus pensylvanicus sonorus
Calliopsis anomoptera
Calliopsis australior
Calliopsis callops
Calliopsis callosa
Calliopsis coloratipes
Calliopsis crypta
Calliopsis empelia
Calliopsis euphorbiae
Calliopsis gilva
Calliopsis limbus
Calliopsis macswaini
Calliopsis nigromaculata
Calliopsis obscurella
Calliopsis pectidis
Calliopsis persimilis
Calliopsis puellae Ph
Calliopsis rogeri
Calliopsis rozeni
Calliopsis squamifera
Calliopsis subalpina subalpina
Calliopsis teucrii
Calliopsis verbenae
Caupolicana elegans
Caupolicana yarrowi
Centris angustifrons
Centris atripes
Centris caesalpiniae
Centris cockerelli
Centris hoffmanseggiae
Centris rhodopus
Centris ruthannae
Ceratina acantha
Ceratina apacheorum
Ceratina arizonensis
Ceratina melanoptera
Ceratina nanula
Ceratina neomexicana
Coelioxys apacheorum
Coelioxys edita
Coelioxys hirsutissima
Coelioxys hunteri
Coelioxys novomexicana
Coelioxys octodentata
Coelioxys texana
Colletes algarobiae
Colletes bryanti
Colletes chamaesarachae
Colletes clypeonitens
Colletes eulophi
Colletes intermixtus
Colletes kincaidii
Colletes louisae
Colletes lutzi
Colletes perileucus
Colletes prosopidis
Colletes salicicola
Colletes scopiventer
Colletes simulans simulans
Colletes sphaeralceae
Colletes wootoni
Conanthalictus sp. 1
Diadasia afflictula
Diadasia diminuta
Diadasia lutzi
Diadasia martialis
Diadasia megamorpha
Diadasia ochracea
Diadasia opuntiae
Diadasia rinconis
Diadasia sphaeralcearum sphaeralcearum
Diadasia vallicola
Dianthidium curvatum
Dianthidium curvatum sayi
Dianthidium heterulkei
Dianthidium implicatum
Dianthidium parvum
Dianthidium parvum schwarzi
Dianthidium platyurum
Dianthidium pudicum
Dianthidium pudicum consimile
Dieunomia nevadensis
Dioxys producta subruber
Dufourea malacothricis
Dufourea mulleri
Dufourea pulchricornis
Epeolus compactus
Epeolus mesillae
Ericrocis lata
Ericrocis pintada
Eucera actuosa
Eucera edwardsii
Eucera mohavensis
Eucera phaceliae
Eucera tricinctella
Exomalopsis dimidiata
Exomalopsis similis aridis
Exomalopsis solani
Exomalopsis solidaginis
Halictus ligatus
Halictus tripartitus
Heriades crucifer
Heriades micheneri
Heriades micropthalma
Heriades texanus
Heriades timberlakei
Hesperapis cockerelli
Hesperapis fuchsi
Hesperapis larreae
Holcopasites arizonicus
Holcopasites bohartorum
Holcopasites illinoiensis minimus
Holcopasites insoletus
Holcopasites stevensi
Holcopasites tegularis
Hoplitis biscutellae
Hoplitis grinnelli grinnelli
Hoplitis producta interior
Hylaeus asininus
Hylaeus episcopalis coquilletti
Hylaeus hurdi
Hylaeus insolitus
Hylaeus mesillae
Lasioglossum acarophilum
Lasioglossum amicum
Lasioglossum angustius
Lasioglossum arcanum
Lasioglossum clematisellum
Lasioglossum comulum
Lasioglossum desertum
Lasioglossum jubatum
Lasioglossum microlepoides
Lasioglossum morrilli
Lasioglossum oleosum
Lasioglossum pectoraloides
Lasioglossum semibrunneum
Lasioglossum semicaeruleum
Lasioglossum sisymbrii
Lasioglossum unicum
Leiopodus singularis
Lithurgus apicalis
Lithurgus echinocacti
Lithurgus planifrons
Macrotera echinocacti
Macrotera latior
Macrotera mellea
Macrotera portalis
Macrotera rubida
Macrotera solitaria
Macrotera texana
Megachile adelphodonta
Megachile astragali
Megachile bradleyi
Megachile brevis
Megachile chilopsidis
Megachile coquilletti
Megachile discorhina
Megachile exilis
Megachile frugalis frugalis
Megachile frugalis pseudofrugalis
Megachile fucata
Megachile gentilis
Megachile inimica sayi
Megachile integra
Megachile laurita
Megachile lippiae
Megachile lobatifrons
Megachile mendica
Megachile newberryae
Megachile odonostoma
Megachile policaris
Megachile prosopidis
Megachile pugnata
Megachile reflexa
Megachile sidalceae
Megachile spinotulata
Megachile texana
Megachile xerophila
Melecta bohartorum
Melissodes agilis
Melissodes communis
Melissodes limbus
Melissodes paroselae
Melissodes subagilis
Melissodes thelypodii thelypodii
Melissodes tristis
Neolarra batrae
Neolarra californica
Neolarra cockerelli
Neolarra pruinosa
Neolarra rozeni
Neolarra verbesinae
Neolarra vigilans
Neopasites cressoni
Nomada americana
Nomada gutierreziae
Nomada vegana
Nomia mesillensis
Nomia tetrazonata tetrazonata
Oreopasites arizonica
Oreopasites linsleyi
Osmia clarescens?
Osmia marginata
Osmia subfasciata
Paranomada nitida
Paranomada velutina
Peponapis michelbacherorum
Peponapis pruinosa
Peponapis timberlakei
Perdita albescens
Perdita albipennis
Perdita albovittata
Perdita amoena
Perdita ashmeadi vierecki
Perdita asteris
Perdita bradleyana
Perdita callicerata
Perdita calloleuca
Perdita chamaesarachae
Perdita cladothricis
Perdita dasylirii
Perdita difficilis
Perdita diversa
Perdita efferta
Perdita exclamans
Perdita hurdi
Perdita ignota
Perdita larreae
Perdita lenis
Perdita luciae
Perdita luciae decora
Perdita luciae luciae
Perdita malacothricis
Perdita melanochlora
Perdita mentzeliae
Perdita mimosae
Perdita minima
Perdita munita
Perdita pectidis
Perdita punctifera
Perdita punctosignata
Perdita semicaerulea
Perdita semicrocea
Perdita sexmaculata
Perdita stathamae
Perdita triangulifera
Protandrena arizonicus
Protandrena bancrofti
Protandrena mexicanorum
Protandrena nanulus
Protandrena townsendi
Protoxaea gloriosa
Pseudopanurgus dicksoni
Pseudopanurgus perpunctatus
Ptilothrix sumichrasti
Specodosoma pratti
Sphecodes asclepiadis
Sphecodes fortior
Sphecodes mandibularis
Sphecodes perlustrans
Sphecodes semicoloratus
Sphecodes sophiae
Sphecodosoma dicksoni
Stelis elongativentris
Stelis perpulchra
Svastra machaerantherae
Svastra sila
Syntrichalonia exquisita
Tetraloniella eriocarpi
Tetraloniella imitatrix
Tetraloniella sphaeralceae
Townsendiella pulchra
Trachusa larreae
Triepeolus concavus
Triepeolus donatus
Triepeolus grandis
Triepeolus kathrynae
Triepeolus lunatus
Triepeolus pennicilliferus
Triepeolus remigatus
Triepeolus verbesinae
Triopasites penniger
Xenoglossa angustior
Xenoglossa patricia
Xenoglossa strenua
Xylocopa californica arizonensis
Xylocopa varipuncta
Zacosmia maculata
Zacosmia maculata desertorum
Acacia constricta
Alliona incarnata
Allionia incarnata Ph
Anemopsis californica subglabra
Antennaria sp?
Argemone platyceras Ph
Argemone pleiacantha Ph
Argemone sp?
Astragalus allochrous
Astragalus thurberi
Atriplex canescens Ph
Baccharis sarothroides
Bahia absinthifolia Ph
Baileya multiradiata Ph
Baileya pleniradiata Ph
Baileya sp?
Boerhaavia sp?
Brassica sp?
Brassicaceae sp?
Caesalpinia? sp?
Calycoseris wrightii Ph
Cammisonia chamaenerioides
Ceonathus sp?
Chaenactis stevoides Ph
Chamaesaracha coronopus Ph
Chamaesaracha sordida Ph
Chamaesaracha sp?
Chenopodium neomexicana
Chilopsis linearis
Compaester sp?
Convolvulus arvensis Ph
Cryptantha angustifolia Ph
Cryptantha sp?
Cucurbita foetidissima Ph
Cucurbita pepo
Dalea formosa Ph
Dasyliron wheeleri Ph
Descurainia sp?
Descurainia pinnata
Descurainia sophia Ph
Descurainia sp?
Dichelostemma pulchellum Ph
Dyssodia acerosa
Dyssodia sp?
Eriastrum diffusum Ph
Erigeron divergens
Erigeron sp?
Eriogonum albertianum Ph
Eschscholzia californica
Euphorbia semi-erect
Euphorbia sp?
Fouquieria splendens
Gaillardia pulchella
Gaura parviflora
Gilia sinuata
Gilia sp?
Glandularia wrightii Ph
Gutierrezia microcephala
Helenium sp?
Helenium thurberi Ph
Helianthus annuus
Hymenoxys odorata Ph
Hymenoxys sp?
Ipomoea sp?
Ipomopsis longiflora Ph
Kallstroemia californica Ph
Kallstroemia grandiflora
Kallstroemia sp?
Krameria parviflora
Laennecia coulteri
Lappula redowskii
Larrea tridentata Ph
Lepidium sp?
Lepidium thurberi Ph
Leucelene ericoides Ph
Leucophyllum frutescens
Linum lewisii
Lycium andersonii
Lycium andersonii wrightii
Lycium sp?
Machaeranthera c. canescens
Machaeranthera gracilis Ph
Machaeranthera sp?
Malacothrix fendleri
Malacothrix glabrata
Malvella sp?
Marrubium vulgare
Melilotus alba
Melilotus sp?
Mentzelia albicaulis
Mentzelia pumila
Mimulus guttatus
Nama hispidum
Nama sp?
Opuntia engelmannii Ph
Opuntia engelmannii x phaeacantha
Opuntia leptocaulis
Opuntia magenta
Opuntia phaeacantha Ph
Opuntia santarita
Opuntia sp?
Opuntia spinosior Ph
Opuntia violacea
Parkinsonia aculeata
Penstemon parryi
Perolvskia sp?
Phacelia arizonica Ph
Phacelia coerulea
Phacelia crenulata Ph
Phacelia distans
Phacelia sp?
Physalis acutifolia
Physalis sp?
Physaria fendleri
Physaria gordoni Ph
Porophyllum gracile Ph
Portulaca sp?
Proboscidea althaeifolia Ph
Proboscidea parviflora
Prosopis velutina
Rafinesquia sp?
Rorippa nasturtium-aquaticum
Salix gooddingii
Salsola iberica
Salsola tragus
Salvia sp?
Senecio flaccidus
Senna bauhinioides
Sida sp?
Sisymbrium irio
Solanum eleagnifolium
Sphaeralcea angustifolia
Sphaeralcea laxa
Sphaeralcea sp?
Stephanomeria pauciflora
Stephanomeria sp?
Tamarix aphylla
Tamarix ramosissima
Tidestroemia lanuginosa
Tiquilia canescens Ph
Tithonia fruticosa
Trixis sp?
Verbena plicata
Verbesina enceliodes
Verbesina enceliodes exauriculata
Viguiera sp?
Zinnia acerosa
Ziziphus obtusifolia