Scathophaga stercoraria
(Golden Dung Fly)
2 May 2026
On compost
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 vicaria
On chokecherry leaf.
Dolichopodidae
(Long-legged Flies)
On birch stump
Leucophora sp.
Several of these were tailing an Andrena prunorum female near her nest
Epalpus signifer
(Early Tachinid Fly)
Syrphus opinator
(Black-margined Flower Fly)
Bombylius major
(Greater Bee Fly)
Syrphus opinator
(Black-margined Flower Fly)
Syrphus opinator
(Black-margined Flower Fly)
Scathophaga stercoraria
(Golden Dung Fly)
On stinky compost.
Bombylius sp.
(Greater Bee Flies)
Brachycera
(Brachyceran Flies)
Sepsidae
(Black Scavenger Flies)
On the compost pile
Epalpus signifer
(Early Tachinid Fly)
Gonia sp.
(Cutworm Flies)
On side of the shed.
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
Pollenia sp.
(Cluster Flies)
On compost pile
Cyclorrhapha
(Cyclorrhaphan 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)
Myathropa florea
(Yellow-haired Sun Fly)
On parsley flowers
Gymnosoma sp.
On parsley flowers
Eristalis arbustorum
(Eurasian Drone Fly)
On fern-leaf yarrow flowers
Associated Species: Achillea filipendulina (Fern-leaf Yarrow)
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)
Coenosia sp.
(Tiger Flies)
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)
Anthomyia sp.
Front porch, ~ 4 mm
Merodon equestris
(Narcissus Bulb Fly)
On Geranium sanguineum flower
Associated Species: Geranium sanguineum (Bloody Crane's-Bill)
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
Calliphoridae
(Blow Flies)
Eupeodes fumipennis
(Western Aphideater)
Associated Species: Eriophyllum lanatum (Common Woolly Sunflower)
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.
Pollenia sp.
(Cluster Flies)
On side of house. 10 mm
Drosophilidae
(Vinegar and Fruit Flies)
From side of compost bin\n~ 3 mm
Coenosia tigrina
(Tiger Flies)
Malaise trap, 7 mm
Medetera sp.
(Woodpecker Flies)
Eristalis arbustorum
(Eurasian Drone Fly)
Condylostylus occidentalis
Condylostylus occidentalis
Syritta pipiens
(Common Compost Fly)
Tachinidae
(Bristle Flies)
Eristalis sp.
(Drone 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
Tachinidae
(Bristle Flies)
Sarcophaga sp.
(Common Flesh Flies)
Syritta pipiens
(Common Compost Fly)
Sarcophaga sp.
(Common Flesh Flies)
Syritta pipiens
(Common Compost Fly)
Sarcophagidae
(Flesh Flies and Satellite Flies)
Eupeodes volucris
(Large-tailed Aphideater)
Eristalis arbustorum
(Eurasian Drone Fly)
Epalpus signifer
(Early Tachinid Fly)
Anthomyiidae
(Root-maggot Flies)
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)
Pollenia sp.
(Cluster Flies)
On the compost
Muscidae
(House Flies and Allies)
On compost in the backyard
Muscidae
(House Flies and Allies)
Near the compost pile
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
Merodon equestris
(Narcissus Bulb Fly)
Condylostylus occidentalis
Syrphus opinator
(Black-margined Flower Fly)
Eristalis arbustorum
(Eurasian Drone Fly)
Syritta pipiens
(Common Compost Fly)
Tachinidae
(Bristle Flies)
Eristalis arbustorum
(Eurasian Drone Fly)
Eupeodes fumipennis
(Western Aphideater)
Eupeodes fumipennis
(Western Aphideater)
Scaeva affinis
(White-bowed Smoothwing)
Eupeodes sp.
(Aphideaters)
Scaeva affinis
(White-bowed Smoothwing)
Sarcophaga sp.
(Common Flesh Flies)
Platypezidae
(Flat-footed Flies)
Tachinidae
(Bristle Flies)
Pollenia sp.
(Cluster Flies)
Pollenia sp.
(Cluster Flies)
Merodon equestris
(Narcissus Bulb Fly)
Calliphoridae
(Blow Flies)
Merodon equestris
(Narcissus Bulb Fly)
Syrphus opinator
(Black-margined Flower Fly)
Sarcophagidae
(Flesh Flies and Satellite Flies)
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
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.
Scathophaga stercoraria
(Golden Dung Fly)
Epistrophe xanthostoma
(Emarginate Smoothtail)
Epalpus signifer
(Early Tachinid Fly)
Eupeodes fumipennis
(Western Aphideater)
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.
Eupeodes fumipennis
(Western Aphideater)
Eupeodes fumipennis
(Western Aphideater)
Bombylius major
(Greater Bee Fly)
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)
Pipizinae
(Pitheads & Kin)
Dasysyrphus sp.
Complex Dasysyrphus intrudens
Platypezidae
(Flat-footed Flies)
Eristalis arbustorum
(Eurasian Drone Fly)
Mallota sackeni
(Brown-haltered Mimic 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)
Pollenia sp.
(Cluster Flies)
Pollenia sp.
(Cluster Flies)
Calliphoridae
(Blow Flies)
Pollenia sp.
(Cluster Flies)
Eristalis tenax
(Common Drone Fly)
Tachinidae
(Bristle Flies)
Syrphus opinator
(Black-margined Flower Fly)
Pollenia vagabunda
(Vagabond Cluster Fly)
Syrphus opinator
(Black-margined Flower Fly)
Syrphus opinator
(Black-margined Flower Fly)
Syritta pipiens
(Common Compost Fly)
On compost
Sargus bipunctatus
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)
Scaeva affinis
(White-bowed Smoothwing)
Condylostylus occidentalis
Eristalis tenax
(Common Drone Fly)
Eupeodes fumipennis
(Western Aphideater)
Condylostylus occidentalis
Eristalis arbustorum
(Eurasian Drone Fly)
Condylostylus occidentalis
Syritta pipiens
(Common Compost 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)
Syrphus opinator
(Black-margined Flower Fly)
Bibio sp.
(March Flies)
On a parsley plant, ~ 10 mm
Pipizinae
(Pitheads & Kin)
Platycheirus sp.
(Sedgesitters)
Eupeodes volucris
(Large-tailed Aphideater)
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)
Condylostylus occidentalis
Systoechus sp.
(Woolly Bee Flies)
Condylostylus occidentalis
Eristalis hirta
(Black-footed Drone Fly)
Sarcophagidae
(Flesh Flies and Satellite Flies)
~ 6 mm
Syritta pipiens
(Common Compost Fly)
Eristalis tenax
(Common Drone Fly)
Syritta pipiens
(Common Compost Fly)
Anthomyiidae
(Root-maggot Flies)
Merodon equestris
(Narcissus Bulb Fly)
Bombylius major
(Greater Bee Fly)
Sphaerophoria sp.
(Globetails)
Merodon equestris
(Narcissus Bulb Fly)
Blera scitula
(Western Wood Fly)
Eupeodes sp.
(Aphideaters)
Bombylius major
(Greater Bee Fly)
Pollenia sp.
(Cluster Flies)
Epalpus signifer
(Early Tachinid Fly)
Pollenia sp.
(Cluster Flies)
Syrphus opinator
(Black-margined Flower Fly)
Asemosyrphus polygrammus
(Common Sickleleg)
Asemosyrphus polygrammus
(Common Sickleleg)
Eristalis tenax
(Common Drone Fly)
Toxomerus occidentalis
(Western Calligrapher)
Eristalis tenax
(Common Drone Fly)
Toxomerus occidentalis
(Western Calligrapher)
Toxomerus occidentalis
(Western Calligrapher)
Medetera sp.
(Woodpecker Flies)
Tiny fly (~2 mm) on side of tomato garden\r\n\r\n
BugGuide IDCondylostylus occidentalis
Condylostylus occidentalis
Anthomyiidae
(Root-maggot Flies)
Merodon equestris
(Narcissus Bulb Fly)
Eristalis nemorum
(Orange-spined Drone Fly)
Platycheirus stegnus
(Greater Punctate Sedgesitter)
Merodon equestris
(Narcissus Bulb Fly)
Anthomyiidae
(Root-maggot Flies)
Eristalis tenax
(Common Drone Fly)
Scaeva affinis
(White-bowed Smoothwing)
Eristalis hirta
(Black-footed Drone Fly)
Anthomyiidae
(Root-maggot Flies)
Eristalis tenax
(Common Drone Fly)
Syrphus opinator
(Black-margined Flower Fly)
Dasysyrphus sp.
Complex Dasysyrphus intrudens
Anthomyiidae
(Root-maggot Flies)
Platycheirus sp.
(Sedgesitters)
Scathophaga stercoraria
(Golden Dung Fly)
Epalpus signifer
(Early Tachinid Fly)
Calliphora sp.
(Bluebottle Flies)
Melanostoma mellinum
(Variable Duskyface Fly)
Melanostoma mellinum
(Variable Duskyface Fly)
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)