Hylaeus punctatus
(Punctate Masked Bee)
On Goldenrod. 5 mm
Halictus ligatus
(Furrow Bees)
Anthophora urbana
(Urbane Digger Bee)
Anthidium oblongatum
(Carder Bees)
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
Bombus flavidus flavidus
(Yellowish Cuckoo Bumble Bee)
Halictus ligatus
(Furrow Bees)
Agapostemon sp.
Subgenus Agapostemon
(Striped Sweat Bees)
Bombus huntii
(Hunt's Bumble Bee)
Bombus nevadensis
(Nevada Bumble Bee)
Bombus vancouverensis
(Vancouver Bumble Bee)
Bombus occidentalis
(Western Bumble Bee)
Andrena prunorum
(Prunus Miner Bee)
Andrena prunorum
(Prunus Miner Bee)
Bombus appositus
(White-shouldered Bumble Bee)
Halictus ligatus
(Furrow Bees)
Megachile frigida
(Frigid Leafcutter Bee)
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus appositus
(White-shouldered Bumble Bee)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Andrena sp.
(Mining Bees)
Caught by a goldenrod crab spider on ocean spray flowers.
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Osmia sp.
Subgenus Melanosmia
(Mason Bees)
Apis mellifera
(Western Honey Bee)
Andrena prunorum
(Prunus Miner Bee)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Anthophora sp.
(Common Digger Bees)
Associated Species: Ribes aureum (Golden Currant)
Andrena prunorum
(Prunus Miner Bee)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Anthophora sp.
(Common Digger Bees)
Associated Species: Ribes aureum (Golden Currant)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Anthophora sp.
(Common Digger Bees)
Caught, cooled in the fridge, photographed, and released.\nOn golden currant flowers.
Associated Species: Ribes aureum (Golden Currant)
Halictus tripartitus
(Tripartite Sweat Bee)
Front porch. ~ 5 mm
Bombus vancouverensis nearcticus
(Vancouver Bumble Bee)
Bombus vancouverensis nearcticus
(Vancouver Bumble Bee)
Anthophora sp.
(Common Digger Bees)
Anthophora sp.
(Common Digger Bees)
10 Apr 2025
Osmia lignaria
(Blue Orchard Bee)
Melecta separata
(Mourning Bees)
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
Andrena sp.
(Mining Bees)
On ground. 7 mm
Osmia sp.
(Mason Bees)
Caught after entering hole in spruce stump. 9 mm.
Osmia sp.
Subgenus Osmia
(Mason Bees)
First bee observation in the yard this spring. Male, checking out the holes in the stump.
Agapostemon sp.
Subgenus Agapostemon
(Striped Sweat Bees)
Associated Species: Symphyotrichum laeve (Smooth Blue Aster)
Hylaeus punctatus
(Punctate Masked Bee)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Associated Species: Satureja montana (Winter Savory)
Agapostemon sp.
Subgenus Agapostemon
(Striped Sweat Bees)
Associated Species: Satureja montana (Winter Savory)
Halictus ligatus
(Furrow Bees)
Lasioglossum sp.
Subgenus Dialictus
Halictus tripartitus
(Tripartite Sweat Bee)
Halictus ligatus
(Furrow Bees)
Anthophora urbana
(Urbane Digger Bee)
Lasioglossum sp.
Subgenus Dialictus
Tiny bee, ~ 3 mm
Lasioglossum sp.
Subgenus Dialictus
Halictus ligatus
(Furrow Bees)
Halictus ligatus
(Furrow Bees)
Colletes sp.
Associated Species: Origanum vulgare (Oregano)
Megachile sp.
(Leafcutter, Mortar, and Resin Bees)
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus rufocinctus
(Red-belted Bumble Bee)
Andrena prunorum
(Prunus Miner Bee)
Bombus occidentalis
(Western Bumble Bee)
Agapostemon sp.
Subgenus Agapostemon
(Striped Sweat Bees)
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus occidentalis
(Western Bumble Bee)
Bombus rufocinctus
(Red-belted Bumble Bee)
Nomada sp.
(Nomad Bees)
On oregano flowers
Associated Species: Origanum vulgare (Oregano)
Coelioxys sp.
(Sharptail Bees)
On oregano flowers
Associated Species: Origanum vulgare (Oregano)
Hylaeus sp.
On bricks of keyhole garden
Megachile rotundata
(Alfalfa Leafcutter Bee)
On basil flowers
Halictus ligatus
(Furrow Bees)
On fern-leaf yarrow flowers
Apis mellifera
(Western Honey Bee)
Andrena prunorum
(Prunus Miner Bee)
On parsley flowers
Associated Species: Petroselinum crispum (Garden Parsley)
Bombus rufocinctus
(Red-belted Bumble Bee)
On globe thistle
Apis mellifera
(Western Honey Bee)
On basil flowers
Associated Species: Ocimum basilicum (Sweet Basil)
Lasioglossum sp.
Subgenus Dialictus
On goldenrod flowers
Associated Species: Solidago canadensis (Canada Goldenrod)
Halictus ligatus
(Furrow Bees)
On oregano flowers
Associated Species: Origanum vulgare (Oregano)
Megachile sp.
(Leafcutter, Mortar, and Resin Bees)
Andrena prunorum
(Prunus Miner Bee)
On common yarrow
Associated Species: Achillea millefolium (Common Yarrow)
Halictus ligatus
(Furrow Bees)
On common yarrow
Associated Species: Achillea millefolium (Common Yarrow)
Bombus sp.
Subgenus Pyrobombus
(Bumble Bees)
On globe thistle flowers
Bombus rufocinctus
(Red-belted Bumble Bee)
On globe thistle flowers
Bombus sp.
Subgenus Pyrobombus
(Bumble Bees)
On lavender flowers
Nomada sp.
(Nomad Bees)
On parsley flowers
Associated Species: Origanum vulgare (Oregano)
Bombus vagans vagans
(Half-black Bumble Bee)
On globe thistle
Associated Species:
Bombus appositus
(White-shouldered Bumble Bee)
On a hollyhock flower
Associated Species: Alcea rosea (Hollyhock)
Apis mellifera
(Western Honey Bee)
27 Jul 2024
Associated Species: Origanum vulgare (Oregano)
Bombus appositus
(White-shouldered Bumble Bee)
On a raspberry leaf
Apis mellifera
(Western Honey Bee)
Associated Species: Cirsium arvense (Creeping Thistle)
Heriades sp.
Subgenus Neotrypetes
(Armored-Resin Bees)
On oregano flowers
Associated Species: Origanum vulgare (Oregano)
Coelioxys sp.
(Sharptail Bees)
On oregano flowers
Associated Species: Origanum vulgare (Oregano)
Halictus rubicundus
(Orange-legged Furrow Bee)
On parsley flowers
Associated Species: Petroselinum crispum (Garden Parsley)
Sphecodes sp.
(Blood Bees)
On parsley flowers
Associated Species: Petroselinum crispum (Garden Parsley)
Hylaeus sp.
On parsley flowers
Andrena prunorum
(Prunus Miner Bee)
On parsley flowers
Associated Species: Petroselinum crispum (Garden Parsley)
Halictus ligatus
(Furrow Bees)
On common yarrow flowers
Associated Species: Achillea millefolium (Common Yarrow)
Apis mellifera
(Western Honey Bee)
On oregano flowers
Associated Species: Origanum vulgare (Oregano)
Halictus ligatus
(Furrow Bees)
On fern-leaf yarrow flowers
Associated Species: Achillea filipendulina (Fern-leaf Yarrow)
Bombus huntii
(Hunt's Bumble Bee)
Andrena prunorum
(Prunus Miner Bee)
On garden parsley flowers
Associated Species: Petroselinum crispum (Garden Parsley)
Heriades sp.
Subgenus Neotrypetes
(Armored-Resin Bees)
On Common Yarrow flowers
Associated Species: Achillea millefolium (Common Yarrow)
Andrena prunorum
(Prunus Miner Bee)
On garden parsley
Associated Species: Petroselinum crispum (Garden Parsley)
Bombus vagans vagans
(Half-black Bumble Bee)
On globe thistle
Apis mellifera
(Western Honey Bee)
25 Jul 2024
On oregano
Associated Species: Origanum vulgare (Oregano)
Apis mellifera
(Western Honey Bee)
25 Jul 2024
On globe thistle
Associated Species:
Megachile sp.
(Leafcutter, Mortar, and Resin Bees)
On oregano flowers
Associated Species: Origanum vulgare (Oregano)
Heriades sp.
Subgenus Neotrypetes
(Armored-Resin Bees)
On Oregano flowers
Heriades sp.
Subgenus Neotrypetes
(Armored-Resin Bees)
On oregano flowers
Associated Species: Origanum vulgare (Oregano)
Megachile sp.
(Leafcutter, Mortar, and Resin Bees)
On oregano flowers
Andrena prunorum
(Prunus Miner Bee)
On garden parsley flowers
Associated Species: Petroselinum crispum (Garden Parsley)
Hylaeus sp.
On parsley flowers
Apis mellifera
(Western Honey Bee)
On lavender flowers
Associated Species: Lavandula angustifolia (Common Lavender)
Sphecodes sp.
(Blood Bees)
On Common Yarrow flowers
Associated Species: Achillea millefolium (Common Yarrow)
Bombus nevadensis
(Nevada Bumble Bee)
On Hollyhock flower
Associated Species: Alcea rosea (Hollyhock)
Bombus appositus
(White-shouldered Bumble Bee)
Associated Species: Lavandula angustifolia (Common Lavender)
Bombus appositus
(White-shouldered Bumble Bee)
Associated Species: Delphinium ajacis (Doubtful Knight's-Spur)
Anthophora urbana
(Urbane Digger Bee)
On Lavender flowers
Associated Species: Lavandula angustifolia (Common Lavender)
Megachile perihirta
(Leafcutter, Mortar, and Resin Bees)
Visiting Lavender flowers
Associated Species: Lavandula angustifolia (Common Lavender)
Agapostemon virescens
(Bicolored Striped Sweat Bee)
On Gaillardia pulchella flowers
Andrena sp.
(Mining Bees)
On Ocean Spray flowers
Associated Species: Holodiscus discolor (Ocean Spray)
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
On Common Yarrow flowers
Associated Species: Achillea millefolium (Common Yarrow)
Hylaeus sp.
On parsley flowers
Associated Species: Petroselinum crispum (Garden Parsley)
Halictus rubicundus
(Orange-legged Furrow Bee)
On Common Yarrow flowers
Lasioglossum sp.
On Common Cat\'s Ear flower in front yard
Associated Species: Hypochaeris radicata (Common Cat's-Ear)
Andrena sp.
(Mining Bees)
On Ocean Spray flowers
Associated Species: Holodiscus discolor (Ocean Spray)
Hylaeus punctatus
(Punctate Masked Bee)
On Ocean Spray floewrs
Hylaeus punctatus
(Punctate Masked Bee)
On Ocean Spray flowers
Hylaeus punctatus
(Punctate Masked Bee)
On Ocean Spray flowers
Hylaeus punctatus
(Punctate Masked Bee)
On Ocean Spray flowers
Bombus occidentalis
(Western Bumble Bee)
On ocean spray flowers
Associated Species: Holodiscus discolor (Ocean Spray)
Apis mellifera
(Western Honey Bee)
24 Jun 2024
On
Eriogonum heracleoides (Parsnipflower Buckwheat) flowers
Associated Species: Eriogonum heracleoides (Parsnipflower Buckwheat)
Agapostemon virescens
(Bicolored Striped Sweat Bee)
On raspberry leaf
Andrena sp.
(Mining Bees)
On Pacific Ninebark leaf
Associated Species: Physocarpus capitus (Pacific Ninebark)
Halictus ligatus
(Furrow Bees)
On Gaillardia pulchella flowers
Associated Species: Gaillardia pulchella (Indian Blanket)
Andrena sp.
(Mining Bees)
On Eriogonum heracleoides (Parsnipflower Buckwheat) flowers
Nomada sp.
(Nomad Bees)
21 Jun 2024
On
Drymocallis arguta (Tall Cinquefoil)
Associated Species: Drymocallis arguta (Tall Cinquefoil)
Osmia sp.
(Mason Bees)
21 Jun 2024
On a lupine flower
Associated Species: Centruroides sculpturatus
Osmiini
I\'m not sure about this. But whatever these beautiful bees are, they sure love Phacelia heterophylla flowers.
Osmia sp.
(Mason Bees)
On a lupine flower
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
On Pacific Ninebark
Associated Species: Physocarpus capitus (Pacific Ninebark)
Sphecodes sp.
(Blood Bees)
On Eriogonum heracleoides flowers
Associated Species: Eriogonum heracleoides (Parsnipflower Buckwheat)
Osmia coloradensis
(Mason Bees)
On Phacelia heterophylla flowers
Associated Species: Phacelia heterophylla (Virgate Scorpionweed)
Andrena prunorum
(Prunus Miner Bee)
On Eriogonum heracleoides flowers
Associated Species: Eriogonum heracleoides (Parsnipflower Buckwheat)
Halictus ligatus
(Furrow Bees)
On Common Yarrow flowers
Associated Species: Achillea millefolium (Common Yarrow)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
On Oregon Sunshine flowers
Associated Species: Eriophyllum lanatum (Common Woolly Sunflower)
Hoplitis sp.
Subgenus Alcidamea
(Small Mason Bees)
On Phacelia heterophylla flower
Associated Species: Phacelia heterophylla (Virgate Scorpionweed)
Osmia sp.
Subgenus Melanosmia
(Mason Bees)
On Phacelia heterophyla flowers.
Andrena prunorum
(Prunus Miner Bee)
On buckwheat flower
Bombus centralis
(Great Basin Bumble Bee)
Bombus insularis
(Indiscriminate Cuckoo Bumble Bee)
Associated Species: Eriophyllum lanatum (Common Woolly Sunflower)
Bombus centralis
(Great Basin Bumble Bee)
Andrena sp.
Subgenus Ptilandrena
(Mining Bees)
Apis mellifera
(Western Honey Bee)
Associated Species: Rubus idaeus (Red Raspberry)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Associated Species: Eriophyllum lanatum (Common Woolly Sunflower)
Halictus tripartitus
(Tripartite Sweat Bee)
On a sticky geranium flower
Associated Species: Geranium viscosissimum (Sticky Geranium)
Bombus centralis
(Great Basin Bumble Bee)
Captured from a Rydberg\'s penstemon flower. Cooled and photographed. But flew off before I could get a good photo.
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Andrena prunorum
(Prunus Miner Bee)
On Chokecherry flowers
Associated Species: Prunus virginiana (Chokecherry)
Andrena prunorum
(Prunus Miner Bee)
Anthophora pacifica
(Pacific Digger Bee)
On Golden Currant
Lasioglossum sp.
Subgenus Dialictus
On Golden Currant
Associated Species: Ribes aureum (Golden Currant)
Agapostemon subtilior
(Five Striped Sweat Bee)
From malaise trap. Aug 26-27, 2023.\r\n11 mm.
Sphecodes sp.
(Blood Bees)
Malaise trap, 26-27 Aug 23. \r\n6 mm
Agapostemon sp.
(Striped Sweat Bees)
26 Aug 2023
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Malaise trap, 5 mm
Lasioglossum sp.
Subgenus Dialictus
6 mm
Bombus huntii
(Hunt's Bumble Bee)
Lasioglossum sp.
Subgenus Dialictus
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus griseocollis
(Brown-belted Bumble Bee)
Bombus griseocollis
(Brown-belted Bumble Bee)
Agapostemon sp.
Subgenus Agapostemon
(Striped Sweat Bees)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Osmia sp.
Subgenus Melanosmia
(Mason Bees)
Megachile pugnata
(Pugnacious Leafcutter Bee)
Andrena prunorum
(Prunus Miner Bee)
Osmia sp.
Subgenus Melanosmia
(Mason Bees)
Osmia sp.
Subgenus Melanosmia
(Mason Bees)
Bombus centralis
(Great Basin Bumble Bee)
Andrena prunorum
(Prunus Miner Bee)
Sphecodes sp.
(Blood Bees)
Anthidium manicatum
(European Woolcarder Bee)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Sphecodes sp.
(Blood Bees)
Hoplitis sp.
Subgenus Alcidamea
(Small Mason Bees)
Agapostemon virescens
(Bicolored Striped Sweat Bee)
Agapostemon subtilior
(Five Striped Sweat Bee)
Malaise trap, 8-10 Jun 23\r\n~ 10 mm
Megachile frigida
(Frigid Leafcutter Bee)
From Malaise trap.\n13 mm
Hylaeus sp.
Subgenus Hylaeus
Malaise trap, 7 mm
Andrena crataegi
(Hawthorn Mining Bee)
Malaise trap, 10 mm
Andrena crataegi
(Hawthorn Mining Bee)
8 Jun 2023
Ceratina acantha
(Small Carpenter Bees)
Malaise trap, 6 mm
Hoplitis sp.
Subgenus Alcidamea
(Small Mason Bees)
Malaise trap, 7 mm
Hoplitis sp.
(Small Mason Bees)
8 Jun 2023
Hoplitis sp.
(Small Mason Bees)
8 Jun 2023
Andrena crataegi
(Hawthorn Mining Bee)
8 Jun 2023
Agapostemon sp.
(Striped Sweat Bees)
8 Jun 2023
Agapostemon virescens
(Bicolored Striped Sweat Bee)
8 Jun 2023
Lasioglossum sp.
Subgenus Dialictus
8 Jun 2023
Sphecodes sp.
(Blood Bees)
8 Jun 2023
Bombus huntii
(Hunt's Bumble Bee)
Bombus nevadensis
(Nevada Bumble Bee)
Bombus mixtus
(Fuzzy-horned Bumble Bee)
Halictus rubicundus
(Orange-legged Furrow Bee)
Apis mellifera
(Western Honey Bee)
Sphecodes sp.
(Blood Bees)
Agapostemon virescens
(Bicolored Striped Sweat Bee)
Andrena prunorum
(Prunus Miner Bee)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Bombus mixtus
(Fuzzy-horned Bumble Bee)
Anthophora pacifica
(Pacific Digger Bee)
Osmia lignaria
(Blue Orchard Bee)
Bombus centralis
(Great Basin Bumble Bee)
First bee of the year in our yard.
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Agapostemon virescens
(Bicolored Striped Sweat Bee)
Agapostemon sp.
Subgenus Agapostemon
(Striped Sweat Bees)
Agapostemon sp.
Subgenus Agapostemon
(Striped Sweat Bees)
Halictus rubicundus
(Orange-legged Furrow Bee)
Bombus rufocinctus
(Red-belted Bumble Bee)
Hylaeus punctatus
(Punctate Masked Bee)
Megachile angelarum
(Leafcutter, Mortar, and Resin Bees)
Coelioxys sp.
Subgenus Cyrtocoelioxys
(Sharptail Bees)
Andrena prunorum
(Prunus Miner Bee)
Bombus rufocinctus
(Red-belted Bumble Bee)
Halictus rubicundus
(Orange-legged Furrow Bee)
Megachile angelarum
(Leafcutter, Mortar, and Resin Bees)
3 Aug 2022
Captured leaving hole in spruce stump.
10 mm
Megachile angelarum
(Leafcutter, Mortar, and Resin Bees)
3 Aug 2022
Megachile sp.
Subgenus Xanthosarus
(Leafcutter, Mortar, and Resin Bees)
Bombus mixtus
(Fuzzy-horned Bumble Bee)
Agapostemon virescens
(Bicolored Striped Sweat Bee)
Andrena prunorum
(Prunus Miner Bee)
Lasioglossum sp.
Subgenus Dialictus
Andrena angustitarsata
(Narrow-legged Miner Bee)
Bombus centralis
(Great Basin Bumble Bee)
Anthophora pacifica
(Pacific Digger Bee)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Sphecodes sp.
(Blood Bees)
Panurginus sp.
Associated Species: Tipula oleracea (Marsh Crane Fly)
Osmia sp.
Subgenus Melanosmia
(Mason Bees)
Apis mellifera
(Western Honey Bee)
Halictus ligatus
(Furrow Bees)
Lasioglossum sp.
Subgenus Dialictus
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Anthophorini
(Digger Bees)
Anthophora sp.
(Common Digger Bees)
Osmia sp.
Subgenus Cephalosmia
(Mason Bees)
Bombus vancouverensis nearcticus
(Vancouver Bumble Bee)
Halictus tripartitus
(Tripartite Sweat Bee)
7 mm
Anthophora pacifica
(Pacific Digger Bee)
Anthophora pacifica
(Pacific Digger Bee)
Halictus tripartitus
(Tripartite Sweat Bee)
24 Apr 2022
6 mm
Lasioglossum sp.
Subgenus Dialictus
5 mm
Halictus tripartitus
(Tripartite Sweat Bee)
7 mm
Lasioglossum sp.
Subgenus Dialictus
6 mm. On dandelion
Osmia lignaria
(Blue Orchard Bee)
It looks like he has a load of mites around his waist.
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
Bombus huntii
(Hunt's Bumble Bee)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Sphecodes sp.
(Blood Bees)
Bombus occidentalis
(Western Bumble Bee)
Megachile sp.
(Leafcutter, Mortar, and Resin Bees)
Bombus centralis
(Great Basin Bumble Bee)
Bombus nevadensis
(Nevada Bumble Bee)
Andrena prunorum
(Prunus Miner Bee)
Osmia sp.
Subgenus Cephalosmia
(Mason Bees)
Osmia montana
(Mason Bees)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
On a raspberry bush
Bombus centralis
(Great Basin Bumble Bee)
Osmia lignaria propinqua
(Blue Orchard Bee)
Lasioglossum sp.
Subgenus Dialictus
Apis mellifera
(Western Honey Bee)
Megachile angelarum
(Leafcutter, Mortar, and Resin Bees)
Closing up nest with resin in bee hotel.\nSeems to be using resin.
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Lasioglossum sp.
Subgenus Dialictus
Halictus ligatus
(Furrow Bees)
Halictus sp.
(Furrow Bees)
Megachile angelarum
(Leafcutter, Mortar, and Resin Bees)
Seems to be using resin to close nest in bee hotel
Anthidium manicatum
(European Woolcarder Bee)
Anthophora urbana
(Urbane Digger Bee)
Anthophora urbana
(Urbane Digger Bee)
Megachile angelarum
(Leafcutter, Mortar, and Resin Bees)
Bombus vagans
(Half-black Bumble Bee)
Bombus appositus
(White-shouldered Bumble Bee)
Associated Species: Lavandula angustifolia (Common Lavender)
Anthophora urbana
(Urbane Digger Bee)
Bombus rufocinctus
(Red-belted Bumble Bee)
Halictus rubicundus
(Orange-legged Furrow Bee)
Coelioxys sp.
(Sharptail Bees)
Megachile angelarum
(Leafcutter, Mortar, and Resin Bees)
On spruce stump
Megachile angelarum
(Leafcutter, Mortar, and Resin Bees)
Hanging out on a bee hotel
Bombus rufocinctus
(Red-belted Bumble Bee)
Halictus rubicundus
(Orange-legged Furrow Bee)
Megachile angelarum
(Leafcutter, Mortar, and Resin Bees)
caught leaving hole in spruce stump, 12 mm
Megachile angelarum
(Leafcutter, Mortar, and Resin Bees)
Coelioxys sp.
Subgenus Cyrtocoelioxys
(Sharptail Bees)
Caught leaving hole in spruce stump, 11 mm
Bombus nevadensis
(Nevada Bumble Bee)
Sphecodes sp.
(Blood Bees)
Associated Species: Achillea millefolium (Common Yarrow)
Lasioglossum sp.
Subgenus Dialictus
Bombus flavidus flavidus
(Yellowish Cuckoo Bumble Bee)
Bombus flavidus flavidus
(Yellowish Cuckoo Bumble Bee)
Agapostemon virescens
(Bicolored Striped Sweat Bee)
Anthidium manicatum
(European Woolcarder Bee)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Bombus occidentalis
(Western Bumble Bee)
Bombus vancouverensis nearcticus
(Vancouver Bumble Bee)
Bombus mixtus
(Fuzzy-horned Bumble Bee)
Andrena prunorum
(Prunus Miner Bee)
Associated Species: Geranium viscosissimum (Sticky Geranium)
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus centralis
(Great Basin Bumble Bee)
Bombus insularis
(Indiscriminate Cuckoo Bumble Bee)
Lasioglossum sp.
Subgenus Dialictus
Agapostemon virescens
(Bicolored Striped Sweat Bee)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Panurginus sp.
Associated Species: Tipula oleracea (Marsh Crane Fly)
Bombus centralis
(Great Basin Bumble Bee)
Osmia montana
(Mason Bees)
Caught leaving hole in spruce stump
Bombus centralis
(Great Basin Bumble Bee)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Caught from a penstemon flower. 6 mm
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Andrena prunorum
(Prunus Miner Bee)
Andrena prunorum
(Prunus Miner Bee)
Andrena prunorum
(Prunus Miner Bee)
Andrena prunorum
(Prunus Miner Bee)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Lasioglossum sp.
Subgenus Dialictus
This little guy landed on and didn\'t want to leave my wife\'s finger.
Andrena prunorum
(Prunus Miner Bee)
Netted on a lilac bush, cooled, photographed, and released. 12 mm
Associated Species: Syringa vulgaris (Common Lilac)
Halictus rubicundus
(Orange-legged Furrow Bee)
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
Halictus rubicundus
(Orange-legged Furrow Bee)
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
Lasioglossum sp.
Subgenus Dialictus
Andrena sp.
Subgenus Melandrena
(Mining Bees)
Lasioglossum sp.
Subgenus Dialictus
Anthophora sp.
(Common Digger Bees)
Anthophora sp.
(Common Digger Bees)
Bombus centralis
(Great Basin Bumble Bee)
Halictus rubicundus
(Orange-legged Furrow Bee)
Osmia lignaria
(Blue Orchard Bee)
Lasioglossum sp.
Subgenus Dialictus
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
Lasioglossum sp.
Subgenus Dialictus
Agapostemon sp.
Subgenus Agapostemon
(Striped Sweat Bees)
11 mm
Agapostemon sp.
Subgenus Agapostemon
(Striped Sweat Bees)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Apis mellifera
(Western Honey Bee)
Agapostemon sp.
Subgenus Agapostemon
(Striped Sweat Bees)
Dianthidium sp.
Subgenus Dianthidium
(Pebble Bees)
Lasioglossum sp.
Subgenus Dialictus
Bombus rufocinctus
(Red-belted Bumble Bee)
Ceratina sp.
(Small Carpenter Bees)
Megachile angelarum
(Leafcutter, Mortar, and Resin Bees)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Agapostemon sp.
Subgenus Agapostemon
(Striped Sweat Bees)
Halictus ligatus
(Furrow Bees)
Halictus sp.
(Furrow Bees)
Lasioglossum sp.
Subgenus Dialictus
Anthidium manicatum
(European Woolcarder Bee)
Megachile sp.
Subgenus Chelostomoides
(Leafcutter, Mortar, and Resin Bees)
Coelioxys sp.
Subgenus Cyrtocoelioxys
(Sharptail Bees)
Coelioxys sp.
Subgenus Cyrtocoelioxys
(Sharptail Bees)
Coelioxys sp.
Subgenus Cyrtocoelioxys
(Sharptail Bees)
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus occidentalis
(Western Bumble Bee)
Bombus occidentalis
(Western Bumble Bee)
Bombus occidentalis
(Western Bumble Bee)
Bombus occidentalis
(Western Bumble Bee)
Bombus occidentalis
(Western Bumble Bee)
Bombus vagans
(Half-black Bumble Bee)
Apis mellifera
(Western Honey Bee)
Halictus rubicundus
(Orange-legged Furrow Bee)
Halictus rubicundus
(Orange-legged Furrow Bee)
Anthidium manicatum
(European Woolcarder Bee)
Bombus appositus
(White-shouldered Bumble Bee)
Associated Species: Delphinium ajacis (Doubtful Knight's-Spur)
Osmia sp.
(Mason Bees)
10 mm\r\nCaught leaving bee hotel, cooled in the fridge, photographed and released.\r\n\r\nI\'m not sure what she\'s holding on to.
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Osmia lignaria
(Blue Orchard Bee)
First bee in bee hotel. \r\nSeems to have started 6 adjacent nests, with an end plug in each. Spent the night in the middle of one of the holes with her head facing the plug.
Apis mellifera
(Western Honey Bee)
Bombus vancouverensis nearcticus
(Vancouver Bumble Bee)
Bombus centralis
(Great Basin Bumble Bee)
~ 20 mm\nCrawling / flying low in front lawn\nNetted, cooled, and released
Anthophora pacifica
(Pacific Digger Bee)
9 deg C
Bombus centralis
(Great Basin Bumble Bee)
Osmia lignaria propinqua
(Blue Orchard Bee)
Bombus centralis
(Great Basin Bumble Bee)
Osmia lignaria propinqua
(Blue Orchard Bee)
Exited a 7 mm diameter drilled hole in spruce stump.\r\n\r\nMale blue orchard bee emerging?\r\n\r\nHe poked his head out for a few minutes, then went back in for a few more. Then he came out, walked around a bit, and flew away.
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
First bee in garden
Halictus ligatus
(Furrow Bees)
Agapostemon sp.
Subgenus Agapostemon
(Striped Sweat Bees)
Apis mellifera
(Western Honey Bee)
Halictus rubicundus
(Orange-legged Furrow Bee)
Halictus ligatus
(Furrow Bees)
Andrena prunorum
(Prunus Miner Bee)
Halictus sp.
(Furrow Bees)
Bombus huntii
(Hunt's Bumble Bee)
Bombus huntii
(Hunt's Bumble Bee)
Megachile sp.
(Leafcutter, Mortar, and Resin Bees)
Megachile sp.
(Leafcutter, Mortar, and Resin Bees)
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus rufocinctus
(Red-belted Bumble Bee)
Halictus ligatus
(Furrow Bees)
Associated Species: Symphyotrichum laeve (Smooth Blue Aster)
Bombus occidentalis
(Western Bumble Bee)
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus vancouverensis nearcticus
(Vancouver Bumble Bee)
Bombus vagans
(Half-black Bumble Bee)
Halictus rubicundus
(Orange-legged Furrow Bee)
Coelioxys sp.
Subgenus Cyrtocoelioxys
(Sharptail Bees)
Megachile sp.
(Leafcutter, Mortar, and Resin Bees)
Coelioxys sp.
Subgenus Cyrtocoelioxys
(Sharptail Bees)
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus occidentalis
(Western Bumble Bee)
Apis mellifera
(Western Honey Bee)
Bombus griseocollis
(Brown-belted Bumble Bee)
Hoplitis albifrons
(White-fronted Small-Mason)
Inspecting a drilled hole in a spruce stump
Megachile rotundata
(Alfalfa Leafcutter Bee)
Bombus appositus
(White-shouldered Bumble Bee)
Associated Species: Lavandula angustifolia (Common Lavender)
Heriades sp.
Subgenus Neotrypetes
(Armored-Resin Bees)
Caught leaving small beetle(?) hole in spruce stump. Length 6 mm
Megachile pugnata
(Pugnacious Leafcutter Bee)
Caught leaving drilled hole in spruce stump. Length 17 mm
Megachile angelarum
(Leafcutter, Mortar, and Resin Bees)
Caught leaving drilled hole in spruce stump. Length 10 mm
Bombus appositus
(White-shouldered Bumble Bee)
23 mm
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus vancouverensis nearcticus
(Vancouver Bumble Bee)
Bombus occidentalis
(Western Bumble Bee)
Collected from California Poppy
Bombus centralis
(Great Basin Bumble Bee)
Bombus vosnesenskii
(Yellow-faced Bumble Bee)
Agapostemon virescens
(Bicolored Striped Sweat Bee)
Agapostemon sp.
(Striped Sweat Bees)
Hoplitis sp.
Subgenus Alcidamea
(Small Mason Bees)
Osmia sp.
Subgenus Melanosmia
(Mason Bees)
Hoplitis sp.
Subgenus Alcidamea
(Small Mason Bees)
10 mm
Captured leaving hole in a log
Bombus vancouverensis
(Vancouver Bumble Bee)
Andrena sp.
(Mining Bees)
Associated Species: Achillea millefolium (Common Yarrow)
Bombus centralis
(Great Basin Bumble Bee)
Bombus vancouverensis nearcticus
(Vancouver Bumble Bee)
Lasioglossum sp.
Subgenus Dialictus
Bombus rufocinctus
(Red-belted Bumble Bee)
~ 16 mm
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Sphecodes sp.
(Blood Bees)
Megachile melanophaea
(Black-and-gray Leafcutter Bee)
Apis mellifera
(Western Honey Bee)
Bombus centralis
(Great Basin Bumble Bee)
Agapostemon sp.
(Striped Sweat Bees)
On Sticky Geranium flower
Bombus rufocinctus
(Red-belted Bumble Bee)
15 mm
Bombus rufocinctus
(Red-belted Bumble Bee)
Bombus vosnesenskii
(Yellow-faced Bumble Bee)
On a California Poppy
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
Bombus centralis
(Great Basin Bumble Bee)
On Sticky Geranium flower
Bombus centralis
(Great Basin Bumble Bee)
Lasioglossum sp.
Subgenus Dialictus
Sphecodes sp.
(Blood Bees)
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
5 mm
Andrena sp.
Subgenus Trachandrena
(Mining Bees)
Panurginus sp.
Associated Species: Tipula oleracea (Marsh Crane Fly)
Melecta sp.
Subgenus Melecta
(Mourning Bees)
Hoplitis sp.
Subgenus Alcidamea
(Small Mason Bees)
5 mm
Agapostemon sp.
(Striped Sweat Bees)
Bombus nevadensis
(Nevada Bumble Bee)
Osmia sp.
(Mason Bees)
Captured after entering hole in stump. Cooled, photographed, and released.
Nomada crotchii
(Crotch's Nomad)
Bombus vancouverensis nearcticus
(Vancouver Bumble Bee)
Lasioglossum sp.
Subgenus Dialictus
Agapostemon sp.
Subgenus Agapostemon
(Striped Sweat Bees)
On a Lewis Flax flower
: virescens or less likely coloradinus
Anthophorini
(Digger Bees)
Bombus rufocinctus
(Red-belted Bumble Bee)
Osmia sp.
Subgenus Melanosmia
(Mason Bees)
4 mm
Osmia sp.
(Mason Bees)
Cutting a piece of a leaf off of a Douglas Hawthorne
Bombus centralis
(Great Basin Bumble Bee)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Andrena prunorum
(Prunus Miner Bee)
Andrena prunorum
(Prunus Miner Bee)
Sphecodes sp.
(Blood Bees)
Andrena prunorum
(Prunus Miner Bee)
Osmia lignaria propinqua
(Blue Orchard Bee)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
On sticky geranium flower
Osmia lignaria propinqua
(Blue Orchard Bee)
Nomada crotchii
(Crotch's Nomad)
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
Anthophora sp.
(Common Digger Bees)
Anthophora plumipes (Hairy-footed Flower Bee) - John Ascher
Or Anthophora pacifica (Pacific Digger Bee) - BugGuide ID
Osmia lignaria propinqua
(Blue Orchard Bee)
Anthophora sp.
(Common Digger Bees)
Temp 11 C
Osmia lignaria propinqua
(Blue Orchard Bee)
Osmia lignaria
(Blue Orchard Bee)
Sphecodes sp.
(Blood Bees)
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
Halictus confusus
(Confusing Furrow Bee)
Lasioglossum sp.
On Common Chickweed flower
Lasioglossum sp.
On Common Chickweed flower
Bombus rufocinctus
(Red-belted Bumble Bee)
Apis mellifera
(Western Honey Bee)
Halictus ligatus
(Furrow Bees)
Lasioglossum sp.
Subgenus Dialictus
Lasioglossum sp.
Subgenus Dialictus
Halictus confusus
(Confusing Furrow Bee)
Halictus ligatus
(Furrow Bees)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Megachile sp.
Subgenus Xanthosarus
(Leafcutter, Mortar, and Resin Bees)
Associated Species: Lavandula angustifolia (Common Lavender)
Apis mellifera
(Western Honey Bee)
Associated Species: Lavandula angustifolia (Common Lavender)
Hoplitis sp.
(Small Mason Bees)
Megachile sp.
Subgenus Xanthosarus
(Leafcutter, Mortar, and Resin Bees)
Bombus centralis
(Great Basin Bumble Bee)
Anthidium manicatum
(European Woolcarder Bee)
Bombus flavidus flavidus
(Yellowish Cuckoo Bumble Bee)
Lasioglossum sp.
Subgenus Dialictus
Sphecodes sp.
(Blood Bees)
Eucera sp.
Subgenus Synhalonia
Bombus nevadensis
(Nevada Bumble Bee)
Lasioglossum sp.
Subgenus Dialictus
Agapostemon sp.
(Striped Sweat Bees)
On an Indian Blanket flower (Gaillardia pulchella)
Bombus nevadensis
(Nevada Bumble Bee)
Bombus vosnesenskii
(Yellow-faced Bumble Bee)
Halictus confusus
(Confusing Furrow Bee)
On a tulip flower
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Nomada sp.
(Nomad Bees)
~ 6 mm
Flying low over garden soil, stopping occasionally on the ground.
BugGuide ID Nomada female
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
Lasioglossum sp.
Subgenus Dialictus
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
On a strawberry flower
Apis mellifera
(Western Honey Bee)
Anthophora sp.
(Common Digger Bees)
Apis mellifera
(Western Honey Bee)
Osmia lignaria propinqua
(Blue Orchard Bee)
Bombus centralis
(Great Basin Bumble Bee)
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
Sleeping on a Dandelion flower head.
Anthophora sp.
(Common Digger Bees)
Fast moving, aggressive bee visiting golden currant flowers.
Cold and windy ~ 7 degrees C.
Bombus mixtus
(Fuzzy-horned Bumble Bee)
Osmia lignaria
(Blue Orchard Bee)
Bombus centralis
(Great Basin Bumble Bee)
On Golden Currant flowers
Lasioglossum sp.
Subgenus Dialictus
Agapostemon sp.
(Striped Sweat Bees)
Agapostemon sp.
(Striped Sweat Bees)
Male
Hylaeus sp.
Associated Species: Petroselinum crispum (Garden Parsley)
Hylaeus sp.
BugGuide IDAssociated Species: Petroselinum crispum (Garden Parsley)
Hylaeus sp.
Associated Species: Petroselinum crispum (Garden Parsley)
Apis mellifera
(Western Honey Bee)
Associated Species: Petroselinum crispum (Garden Parsley)
Bombus rufocinctus
(Red-belted Bumble Bee)
Agapostemon sp.
Subgenus Agapostemon
(Striped Sweat Bees)
Male on Blanket Flower
Associated Species: Gaillardia pulchella (Indian Blanket)
Halictus ligatus
(Furrow Bees)
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
Ceratina acantha
(Small Carpenter Bees)
Ceratina sp.
Subgenus Zadontomerus
(Small Carpenter Bees)
Anthidium manicatum
(European Woolcarder Bee)
Halictus sp.
Subgenus Seladonia
(Furrow Bees)
~ 5 mm
Melissodes sp.
Associated Species: Gaillardia pulchella (Indian Blanket)
Bombus occidentalis
(Western Bumble Bee)
Bombus vagans
(Half-black Bumble Bee)
Bombus huntii
(Hunt's Bumble Bee)
Associated Species: Lavandula angustifolia (Common Lavender)
Triepeolus sp.
(Longhorn-cuckoo Bees)
Anthidium manicatum
(European Woolcarder Bee)
Osmia sp.
(Mason Bees)
Associated Species: Trifolium repens (White Clover)
Apis mellifera
(Western Honey Bee)
Associated Species: Lavandula angustifolia (Common Lavender)
Megachile sp.
Subgenus Xanthosarus
(Leafcutter, Mortar, and Resin Bees)
Agapostemon sp.
(Striped Sweat Bees)
Bombus sp.
Subgenus Pyrobombus
(Bumble Bees)