Bug Squad

Bumble bee on bull thistle at Bodega Bay
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A male yellow-faced bumble bee, Bombus vosnesenskii, sleeps on a Mexican sunflower,Bombus Bombus vosnesenskii,in Vacaville,Calif. (Photo by Kathy Keatley Garvey)
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Nighty-Night, Mr. Bumble Bee!

July 20th, 2020
Have you ever seen a bumble bee sleeping? If you slip out to your garden at night or early morning, you might find the male bumble bees asleep in, on or around the flowers. The yellow-faced bumble bee, Bombus vosnesenskii, frequents our pollinator garden in Vacaville, Calif.
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This wasp, a species of Podalonia, flies off a tropical milkweed at the UC Davis Arboretum and Public Garden with a load of pollinia, a packet of sticky golden pollen grains. (Photo by Kathy Keatley Garvey)
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Pollinia: Like Having Gum on Your Shoes

July 17th, 2020
If you've ever stepped in sticky gum, it's similar to what happens when an insect steps into milkweed pollinia. Take the wasps visiting the tropical milkweed (Asclepias curassavica) on Thursday morning, July 16 in the UC Davis Arboretum and Public Garden.
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