Posts Tagged: Andrew Young

Andrew Young: Natural History of Syrphids, from Pollinators to Parasitoids

At first glance, they're often mistaken for bees, but bees they are not. They're flies. You've probably seen them hovering over flowers, which is...

A syrphid, also known as a hover fly or flower fly, nectars on a tower of jewels, Echium wildpretii, in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

A syrphid, also known as a hover fly or flower fly, nectars on a tower of jewels, Echium wildpretii, in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

A syrphid in flight, heading toward a tropical milkweed, Asclepias curassavica. (Photo by Kathy Keatley Garvey)

A syrphid in flight, heading toward a tropical milkweed, Asclepias curassavica. (Photo by Kathy Keatley Garvey)

A syrphid tucked inside the petals of a rock purslane, Calandrinia grandiflora. (Photo by Kathy Keatley Garvey)

A syrphid tucked inside the petals of a rock purslane, Calandrinia grandiflora. (Photo by Kathy Keatley Garvey)

A syrphid hovers over Jupiter's Beard, Centranthus ruber. (Photo by Kathy Keatley Garvey)

A syrphid hovers over Jupiter's Beard, Centranthus ruber. (Photo by Kathy Keatley Garvey)

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