Pegomya sp.
on top of Swiss Chard leaf
Pegomya sp.
On the underside of swiss chard leaves\r\n\r\n0.8 mm long, 0.2 mm wide
Myathropa florea
(Yellow-haired Sun Fly)
Triarthria sp.
UV light trap
Syrphus opinator
(Black-margined Flower Fly)
Leptogaster sp.
(Slender Robberflies)
Blera armillata
(Orange-faced Wood Fly)
Myathropa florea
(Yellow-haired Sun Fly)
Myopa sp.
On chokecherry leaf.
Dolichopodidae
(Long-legged Flies)
On birch stump
Leucophora sp.
Several of these were tailing an Andrena prunorum female near her nest
Syrphus opinator
(Black-margined Flower Fly)
Epalpus signifer
(Early Tachinid Fly)
Syrphus opinator
(Black-margined Flower Fly)
Syrphus opinator
(Black-margined Flower Fly)
Bombylius major
(Greater Bee Fly)
Scathophaga stercoraria
(Golden Dung Fly)
On stinky compost.
Bombylius sp.
(Greater Bee Flies)
Brachycera
(Brachyceran Flies)
Gonia sp.
(Cutworm Flies)
On side of the shed.
Epalpus signifer
(Early Tachinid Fly)
Sepsidae
(Black Scavenger Flies)
On the compost pile
Sepsidae
(Black Scavenger Flies)
On compost bin, ~ 4 mm\r\n\r\nFlies were waving wings in a mating display\r\n\r\n@zdanko \r\n
Oestroidea
(Bot Flies, Blow Flies, and Allies)
10 Mar 2025
On inside of front door.
5 mm
Cyclorrhapha
(Cyclorrhaphan Flies)
On compost pile
Pollenia sp.
(Cluster Flies)
On compost pile
Calliphora sp.
(Bluebottle Flies)
Found in a spider\'s web in garage.
Lauxaniidae
(Lauxaniid Flies)
Found dead in garage. ~ 3 mm
Eupeodes fumipennis
(Western Aphideater)
Associated Species: Lactuca serriola (Prickly Lettuce)
Thecophora sp.
On oregano flowers
Associated Species: Origanum vulgare (Oregano)
Sphaerophoria sulphuripes
(Forked Globetail)
On parsley flowers
Associated Species: Petroselinum crispum (Garden Parsley)
Eristalis arbustorum
(Eurasian Drone Fly)
On fern-leaf yarrow flowers
Associated Species: Achillea filipendulina (Fern-leaf Yarrow)
Myathropa florea
(Yellow-haired Sun Fly)
On parsley flowers
Gymnosoma sp.
On parsley flowers
Coenosia sp.
(Tiger Flies)
Syritta pipiens
(Common Compost Fly)
On parsley flowers
Associated Species: Petroselinum crispum (Garden Parsley)
Syritta pipiens
(Common Compost Fly)
On parsley flowers
Associated Species: Petroselinum crispum (Garden Parsley)
Ceriana tridens
On parsley flowers
Associated Species: Petroselinum crispum (Garden Parsley)
Thereva sp.
On ground beside compost
Myathropa florea
(Yellow-haired Sun Fly)
On Garden Parsley flowers
Associated Species: Petroselinum crispum (Garden Parsley)
Eristalis arbustorum
(Eurasian Drone Fly)
On garden parsley flowers
Associated Species: Petroselinum crispum (Garden Parsley)
Chloropinae
(Grass Flies)
On outside wall
Syrphini
On
Eriogonum heracleoides flowers
Associated Species: Eriogonum heracleoides (Parsnipflower Buckwheat)
Phasiinae
On Common Yarrow flowers
Associated Species: Achillea millefolium (Common Yarrow)
Merodon equestris
(Narcissus Bulb Fly)
On Geranium sanguineum flower
Associated Species: Geranium sanguineum (Bloody Crane's-Bill)
Anthomyia sp.
Front porch, ~ 4 mm
Conopidae
On Oregon Sunshine flowers
Associated Species: Eriophyllum lanatum (Common Woolly Sunflower)
Eristalis arbustorum
(Eurasian Drone Fly)
On parsnipflower buckwheat flowers
Associated Species: Eriogonum heracleoides (Parsnipflower Buckwheat)
Tachinidae
(Bristle Flies)
On Parsnipflower Buckwheat (Eriogonum heracleoides) flowers
Associated Species: Eriogonum heracleoides (Parsnipflower Buckwheat)
Gymnosoma sp.
On Parsnipflower Buckwheat (Eriogonum heracleoides) flowers
Associated Species: Eriogonum heracleoides (Parsnipflower Buckwheat)
Tachinidae
(Bristle Flies)
On buckwheat flowers
Associated Species: Eriogonum heracleoides (Parsnipflower Buckwheat)
Toxomerus occidentalis
(Western Calligrapher)
Anthomyia sp.
On snowberry bush
Eupeodes fumipennis
(Western Aphideater)
Associated Species: Eriophyllum lanatum (Common Woolly Sunflower)
Calliphoridae
(Blow Flies)
Anthomyia sp.
Associated Species: Eriophyllum lanatum (Common Woolly Sunflower)
Myopinae
On Douglas Hawthorn
Associated Species: Crataegus douglasii (Douglas Hawthorn)
Eristalini
(Rat-tail Maggot Flies)
Associated Species: Crataegus douglasii (Douglas Hawthorn)
Leucophora sp.
Length ~5mm
Bombylius major
(Greater Bee Fly)
Ceroxys latiusculus
(Narrow-Banded Picture-Winged Fly)
Front porch
Ceroxys latiusculus
(Narrow-Banded Picture-Winged Fly)
On shovel handle next to compost.
Drosophilidae
(Vinegar and Fruit Flies)
From side of compost bin\n~ 3 mm
Pollenia sp.
(Cluster Flies)
On side of house. 10 mm
Coenosia tigrina
(Tiger Flies)
Malaise trap, 7 mm
Medetera sp.
(Woodpecker Flies)
Condylostylus occidentalis
Condylostylus occidentalis
Eristalis arbustorum
(Eurasian Drone Fly)
Syritta pipiens
(Common Compost Fly)
Eristalis sp.
(Drone Flies)
Tachinidae
(Bristle Flies)
Anthomyiidae
(Root-maggot Flies)
Anthrax sp.
(Charcoal Bee Flies)
Merodon equestris
(Narcissus Bulb Fly)
Eristalis arbustorum
(Eurasian Drone Fly)
Dolichopus obcordatus
Malaise trap, 8-10 Jun 23\r\n~ 5 mm
Condylostylus occidentalis
Syritta pipiens
(Common Compost Fly)
Tachinidae
(Bristle Flies)
Sarcophaga sp.
(Common Flesh Flies)
Syritta pipiens
(Common Compost Fly)
Sarcophaga sp.
(Common Flesh Flies)
Eupeodes volucris
(Large-tailed Aphideater)
Sarcophagidae
(Flesh Flies and Satellite Flies)
Anthomyiidae
(Root-maggot Flies)
Eristalis arbustorum
(Eurasian Drone Fly)
Epalpus signifer
(Early Tachinid Fly)
Anasimyia sp.
(Drone Flies)
On a snowberry bush.
Anthomyiidae
(Root-maggot Flies)
Yellow pan trap, 11 May 23.
Platypezidae
(Flat-footed Flies)
Scathophaga stercoraria
(Golden Dung Fly)
Eristalis sp.
(Drone Flies)
Eupeodes fumipennis
(Western Aphideater)
Ceroxys latiusculus
(Narrow-Banded Picture-Winged Fly)
On compost bin
Bombylius sp.
(Greater Bee Flies)
Pollenia sp.
(Cluster Flies)
Muscidae
(House Flies and Allies)
On compost in the backyard
Muscidae
(House Flies and Allies)
Near the compost pile
Pollenia sp.
(Cluster Flies)
On the compost
Pollenia sp.
(Cluster Flies)
Spelobia sp.
Front porch 4 deg C.\r\n~2.5 mm
Pollenia sp.
(Cluster Flies)
Limosininae
On front porch, 4 deg C, ~ 2.5 mm
Syrphus opinator
(Black-margined Flower Fly)
Scaeva affinis
(White-bowed Smoothwing)
Syrphus opinator
(Black-margined Flower Fly)
Scaeva affinis
(White-bowed Smoothwing)
Eristalis flavipes
(Orange-legged Drone Fly)
Syritta pipiens
(Common Compost Fly)
Eristalis arbustorum
(Eurasian Drone Fly)
Pollenia sp.
(Cluster Flies)
Sarcophaginae
(Typical Flesh Flies)
Toxomerus marginatus
(Margined Calligrapher)
Medetera sp.
(Woodpecker Flies)
Scathophaga stercoraria
(Golden Dung Fly)
Condylostylus occidentalis
Condylostylus occidentalis
Merodon equestris
(Narcissus Bulb Fly)
Syrphus opinator
(Black-margined Flower Fly)
Syritta pipiens
(Common Compost Fly)
Eristalis arbustorum
(Eurasian Drone Fly)
Tachinidae
(Bristle Flies)
Eupeodes fumipennis
(Western Aphideater)
Eupeodes fumipennis
(Western Aphideater)
Eupeodes sp.
(Aphideaters)
Scaeva affinis
(White-bowed Smoothwing)
Scaeva affinis
(White-bowed Smoothwing)
Eristalis arbustorum
(Eurasian Drone Fly)
Sarcophaga sp.
(Common Flesh Flies)
Platypezidae
(Flat-footed Flies)
Pollenia sp.
(Cluster Flies)
Tachinidae
(Bristle Flies)
Pollenia sp.
(Cluster Flies)
Merodon equestris
(Narcissus Bulb Fly)
Calliphoridae
(Blow Flies)
Syrphus opinator
(Black-margined Flower Fly)
Merodon equestris
(Narcissus Bulb Fly)
Scaeva affinis
(White-bowed Smoothwing)
This adult emerged from a pupa that formed from a larva that I collected from an aphid-infested Ocean Spray bush. \r\nLarva: https://www.inaturalist.org/observations/118730071\r\nPupa: https://www.inaturalist.org/observations/119242836
Sarcophagidae
(Flesh Flies and Satellite Flies)
Merodon equestris
(Narcissus Bulb Fly)
Muscidae
(House Flies and Allies)
Eupeodes sp.
Subgenus Metasyrphus
(Aphideaters)
Scaeva affinis
(White-bowed Smoothwing)
This pupa formed from
this larva. I\'m keeping it to see what emerges.
Epistrophe xanthostoma
(Emarginate Smoothtail)
Eupeodes fumipennis
(Western Aphideater)
Scathophaga stercoraria
(Golden Dung Fly)
Epalpus signifer
(Early Tachinid Fly)
Scaeva affinis
(White-bowed Smoothwing)
On Ocean Spray bush infected with Aphids. 20 mm
Syrphidae
(Hover Flies)
On Ocean Spray bush infected with aphids. 4 mm.
Syrphidae
(Hover Flies)
On Ocean S[ray bush infested with Aphids. ~ 1 mm.
Bombylius major
(Greater Bee Fly)
Eupeodes fumipennis
(Western Aphideater)
Eupeodes fumipennis
(Western Aphideater)
Bibio sp.
(March Flies)
8 mm
Scaeva affinis
(White-bowed Smoothwing)
Epalpus signifer
(Early Tachinid Fly)
Scathophaga sp.
On side of compost bin.
Ceroxys latiusculus
(Narrow-Banded Picture-Winged Fly)
On shovel handle next to compost bin.
Leptocera sp.
Small fly on compost ~ 4 mm
Muscidae
(House Flies and Allies)
Phormia regina
First observation on spruce stump this year.
Pollenia sp.
(Cluster Flies)
On window sill. ~ 8 mm
Scatella sp.
~4 mm. On basil plant in house.
Merodon equestris
(Narcissus Bulb Fly)
Condylostylus occidentalis
Merodon equestris
(Narcissus Bulb Fly)
Syritta pipiens
(Common Compost Fly)
Eristalis hirta
(Black-footed Drone Fly)
Dasysyrphus sp.
Complex Dasysyrphus intrudens
Pipizinae
(Pitheads & Kin)
Platypezidae
(Flat-footed Flies)
Mallota sackeni
(Brown-haltered Mimic Fly)
Eristalis arbustorum
(Eurasian Drone Fly)
Eristalis arbustorum
(Eurasian Drone Fly)
Sepsidae
(Black Scavenger Flies)
On compost pile, ~ 3 mm
Sepsidae
(Black Scavenger Flies)
~ 3 mm, on compost pile
Scathophaga stercoraria
(Golden Dung Fly)
On compost bin
Epalpus signifer
(Early Tachinid Fly)
Calliphoridae
(Blow Flies)
Pollenia sp.
(Cluster Flies)
Pollenia sp.
(Cluster Flies)
Pollenia sp.
(Cluster Flies)
Syrphus opinator
(Black-margined Flower Fly)
Eristalis tenax
(Common Drone Fly)
Tachinidae
(Bristle Flies)
Pollenia vagabunda
(Vagabond Cluster Fly)
Syrphus opinator
(Black-margined Flower Fly)
Syrphus opinator
(Black-margined Flower Fly)
Sargus bipunctatus
On compost
Syritta pipiens
(Common Compost Fly)
On compost
Eristalis arbustorum
(Eurasian Drone Fly)
Looks like it might be Eristalis dimidiata. But I\'m not sure. What do you think @edanko?
Calliphoridae
(Blow Flies)
Eristalis arbustorum
(Eurasian Drone Fly)
Eristalis arbustorum
(Eurasian Drone Fly)
Tachinidae
(Bristle Flies)
On roof of bee hotel
Eupeodes sp.
(Aphideaters)
Associated Species: Achillea millefolium (Common Yarrow)
Condylostylus occidentalis
Scaeva affinis
(White-bowed Smoothwing)
Eupeodes fumipennis
(Western Aphideater)
Eristalis tenax
(Common Drone Fly)
Condylostylus occidentalis
Condylostylus occidentalis
Syritta pipiens
(Common Compost Fly)
Eristalis arbustorum
(Eurasian Drone Fly)
Condylostylus occidentalis
Eupeodes volucris
(Large-tailed Aphideater)
Eupeodes fumipennis
(Western Aphideater)
Syrphus opinator
(Black-margined Flower Fly)
Syritta pipiens
(Common Compost Fly)
Eulonchus tristis
(Dusky Sapphire)
Sphaerophoria contigua
(Tufted Globetail)
Merodon equestris
(Narcissus Bulb Fly)
Callopistromyia annulipes
(Peacock Fly)
Eupeodes volucris
(Large-tailed Aphideater)
Sphaerophoria sulphuripes
(Forked Globetail)
Syrphus opinator
(Black-margined Flower Fly)
Merodon equestris
(Narcissus Bulb Fly)
Bibio sp.
(March Flies)
On a parsley plant, ~ 10 mm
Syrphus opinator
(Black-margined Flower Fly)
Pipizinae
(Pitheads & Kin)
Eupeodes volucris
(Large-tailed Aphideater)
Platycheirus sp.
(Sedgesitters)
Syritta pipiens
(Common Compost Fly)
Bombylius major
(Greater Bee Fly)
Bombylius sp.
(Greater Bee Flies)
Scathophaga stercoraria
(Golden Dung Fly)
Pollenia sp.
(Cluster Flies)
Epalpus signifer
(Early Tachinid Fly)
Calliphoridae
(Blow Flies)
Syrphus opinator
(Black-margined Flower Fly)
Syrphus opinator
(Black-margined Flower Fly)
Eupeodes fumipennis
(Western Aphideater)
Scaeva affinis
(White-bowed Smoothwing)
Syrphus opinator
(Black-margined Flower Fly)
Eristalis arbustorum
(Eurasian Drone Fly)
Syritta pipiens
(Common Compost Fly)
Eristalis arbustorum
(Eurasian Drone Fly)
Eristalis arbustorum
(Eurasian Drone Fly)
Rhagoletis indifferens
Landed on my wife while she was picking cherries.
Scathophaga stercoraria
(Golden Dung Fly)
Eupeodes fumipennis
(Western Aphideater)
Syrphus opinator
(Black-margined Flower Fly)
Scathophaga stercoraria
(Golden Dung Fly)
Calliphoridae
(Blow Flies)
Pollenia sp.
(Cluster Flies)
Syritta pipiens
(Common Compost Fly)
Systoechus sp.
(Woolly Bee Flies)
Condylostylus occidentalis
Condylostylus occidentalis
Eristalis sp.
Subgenus Eoseristalis
(Drone Flies)
Eristalis hirta or E. nemorum?
Muscoidea
(Muscoid Flies)
Blowing bubbles
Sarcophagidae
(Flesh Flies and Satellite Flies)
Syritta pipiens
(Common Compost Fly)
Eristalis tenax
(Common Drone Fly)
Anthomyiidae
(Root-maggot Flies)
Syritta pipiens
(Common Compost Fly)
Merodon equestris
(Narcissus Bulb Fly)
Bombylius major
(Greater Bee Fly)
Sphaerophoria sp.
(Globetails)
Merodon equestris
(Narcissus Bulb Fly)
Blera scitula
(Western Wood Fly)
Rhamphomyia sp.
There were lots of these on Sticky Geranium flowers.
BugGuide ID
Female
Empididae
(Dance Flies)
On sticky geranium flower
Eupeodes sp.
(Aphideaters)
On Tall Oregon Grape leaf
Bombylius major
(Greater Bee Fly)
Pollenia sp.
(Cluster Flies)
On common chickweed flowers
Epalpus signifer
(Early Tachinid Fly)
On Common Chickweed flowers
Pollenia sp.
(Cluster Flies)
Sargus bipunctatus
Found on wheelbarrow next to compost.
BugGuide ID Female
Asemosyrphus polygrammus
(Common Sickleleg)
Syrphus opinator
(Black-margined Flower Fly)
Toxomerus occidentalis
(Western Calligrapher)
Asemosyrphus polygrammus
(Common Sickleleg)
Eristalis tenax
(Common Drone Fly)
Eristalis tenax
(Common Drone Fly)
Toxomerus occidentalis
(Western Calligrapher)
Toxomerus occidentalis
(Western Calligrapher)
Medetera sp.
(Woodpecker Flies)
Condylostylus occidentalis
Condylostylus occidentalis
Anthomyiidae
(Root-maggot Flies)
Merodon equestris
(Narcissus Bulb Fly)
Eristalis nemorum
(Orange-spined Drone Fly)
There is some disagreement about this on iNat.
E. hirta or nemorum?
On Physocarpus malvaceus (Mallow-leaf Ninebark) flowers.
Platycheirus stegnus
(Greater Punctate Sedgesitter)
5 mm, female
Visiting Clarkia pulchella flowers
BugGuide ID
Merodon equestris
(Narcissus Bulb Fly)
Empididae
(Dance Flies)
On sticky geranium flower
Eristalis tenax
(Common Drone Fly)
Scaeva affinis
(White-bowed Smoothwing)
Anthomyiidae
(Root-maggot Flies)
On sticky geranium flower
Anthomyiidae
(Root-maggot Flies)
Eristalis hirta
(Black-footed Drone Fly)
There is some disagreement and discussion about this observation on iNat, but the consensus seems to be Eristailis hirta.
Dasysyrphus sp.
Complex Dasysyrphus intrudens
Syrphus opinator
(Black-margined Flower Fly)
Eristalis tenax
(Common Drone Fly)
Anthomyiidae
(Root-maggot Flies)
Melanostoma mellinum
(Variable Duskyface Fly)
Melanostoma mellinum
(Variable Duskyface Fly)
On Dandelion flower
Platycheirus sp.
(Sedgesitters)
On Chickweed (Sellaria media) flower
Scathophaga stercoraria
(Golden Dung Fly)
Calliphora sp.
(Bluebottle Flies)
Epalpus signifer
(Early Tachinid Fly)
On Common Chickweed flowers
Eupeodes fumipennis
(Western Aphideater)
Eristalis tenax
(Common Drone Fly)
Muscidae
(House Flies and Allies)
Muscidae
(House Flies and Allies)
Sarcophaginae
(Typical Flesh Flies)
Muscidae
(House Flies and Allies)
Blowing bubbles on south birch tree
Sarcophagidae
(Flesh Flies and Satellite Flies)
Sarcophagidae
(Flesh Flies and Satellite Flies)
Sarcophagidae
(Flesh Flies and Satellite Flies)
Sarcophagidae
(Flesh Flies and Satellite Flies)
Pipizinae
(Pitheads & Kin)
Associated Species: Petroselinum crispum (Garden Parsley)
Syritta pipiens
(Common Compost Fly)
Associated Species: Petroselinum crispum (Garden Parsley)
Gymnosoma sp.
Associated Species: Petroselinum crispum (Garden Parsley)
Villa sp.
Associated Species: Petroselinum crispum (Garden Parsley)
Syritta pipiens
(Common Compost Fly)
Associated Species: Petroselinum crispum (Garden Parsley)
Pollenia sp.
(Cluster Flies)
Calliphora sp.
(Bluebottle Flies)
Eristalis tenax
(Common Drone Fly)
Callopistromyia annulipes
(Peacock Fly)
On front porch doing his wings-up peacock dance
BugGuide IDSarcophaga sp.
(Common Flesh Flies)
Eristalis hirta
(Black-footed Drone Fly)
Eupeodes fumipennis
(Western Aphideater)
On California Poppy flower
BugGuide ID
Associated Species: Eschscholzia californica (California Poppy)
Eristalis tenax
(Common Drone Fly)
Anthomyia procellaris
Several of these flies sit on top of stakes and on raspberry leaves in morning sun.
BugGuide ID Female
Associated Species: Rubus idaeus (Red Raspberry)
Anthomyiidae
(Root-maggot Flies)
Syritta pipiens
(Common Compost Fly)
Condylostylus occidentalis
Small fly (~4 mm) darting around on surface of raspberry leaves
BugGuide ID
Associated Species: Rubus idaeus (Red Raspberry)
Calliphora vicina
(Blue Blowfly)
Large fly (~13 mm) on inside window screen.
Hemipenthes sp.
On California Poppy
Associated Species: Eschscholzia californica (California Poppy)