Posts Tagged: Bombus melanopygus
It's called the "Pride of Madeira" but don't let that name fool you.
True, it's the pride of the Portuguese island of Madeira, where it's endemic, but it's also the joy of Bodega Bay.
"What's that purplish spiked flower that grows somewhat like a yucca or a tower of jewels?" visitors ask. "It's all over the Bodega area."
It's not a yucca, which belongs to the agave family, Agavaceae. It's an Echium candicans, a member of the family Boraginaceae. It's a kissing cousin of Echium wildpretti, or the tower of jewels.
Last Sunday visitors to the Sonoma County coastal town enjoyed the warmth of a spring day and those spectacular blue-to-the-bone-and-purple-as-you-please blooms. An extra bonus: an occasional bumble bee.
Native pollinator specialist Robbin Thorp, emeritus professor of entomology at UC Davis, identified the bumble bee below as Bombus melanopygus.
This little forager found the Pride of Madeira and the Joy of Bodega Bay.
Bombus melanopygus heading toward the Pride of Madeira, Echium candicans. (Photo by Kathy Keatley Garvey)
Peek-a-bee: Bombus melanopygus peers beneath the petals of an Echium candicans, also known as the Pride of Madeira. (Photo by Kathy Keatley Garvey)
Top view of a Bombus melanopygus on an Echium candicans, also known as the Pride of Madeira. (Photo by Kathy Keatley Garvey)
At first I thought it was a yellow-faced bumble bee.
Sort of like applying the adage, "When all you have is a hammer, everything looks like a nail." That's because most of the bumble bees I see are the yellow-faced bumble bees (Bombus vosnesenskii).
Our bumble bee guru, native pollinator specialist Robbin Thorp, emeritus professor of entomology, quickly identified it as Bombus melanopygus, commonly known as the “Black Tail” bumble bee (melano = black; pygus = tail end of the abdomen).
Thorp says it's probably a queen that "just started her nest."
"Workers at this time of year would be quite small."
The queen was nectaring on Ceanothus in the Häagen-Dazs Honey Bee Haven, a half-acre bee friendly garden at the Harry H. Laidlaw Research Center at the University of California, Davis.
She was packin' pollen
Initially, Thorp suspected that the pollen load came from the nearby almond trees. "On closer inspection, the pollen loads look more yellow, so they may be from Ceanothus, but they seem a bit darker than what the honey bees foraging on Ceanothus are carrying," he said. "This could be to the difference in nectar added by the different bees to moisten the pollen pellets."
The queen buzzed around the Ceanothus as if she were late for an appointment.
A sip of nectar and she was gone.
Black-Tail Bumble Bee
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