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Posts Tagged: Longhorned bees

Defensive Measures: Leave Me Alone!

Have you ever seen the defensive antics of a female longhorned bee, sometimes called a sunflower bee, as she's trying to forage on flowers while...

A male Melissodes agilis dives toward the female of his species, but she's not interested. (Photo by Kathy Keatley Garvey)
A male Melissodes agilis dives toward the female of his species, but she's not interested. (Photo by Kathy Keatley Garvey)

A male Melissodes agilis dives toward the female of his species, but she's not interested. (Photo by Kathy Keatley Garvey)

In a defensive, leave-me-alone measure, the female Melissodes agilis kicks at the male. (Photo by Kathy Keatley Garvey)
In a defensive, leave-me-alone measure, the female Melissodes agilis kicks at the male. (Photo by Kathy Keatley Garvey)

In a defensive, leave-me-alone measure, the female Melissodes agilis kicks at the male. (Photo by Kathy Keatley Garvey)

The male Melissodes agilis flies off, leaving the female alone, but not for long. He'll be back. (Photo by Kathy Keatley Garvey)
The male Melissodes agilis flies off, leaving the female alone, but not for long. He'll be back. (Photo by Kathy Keatley Garvey)

The male Melissodes agilis flies off, leaving the female alone, but not for long. He'll be back. (Photo by Kathy Keatley Garvey)

Posted on Thursday, August 3, 2023 at 10:01 AM
Focus Area Tags: Environment, Natural Resources, Yard & Garden

Get Off My Turf!

Get off my turf! The native bees known as Melissodes, the longhorned bees, start stirring in the early morning. First, they settle on...

A male Melissodes agilis pauses to sip nectar from a Mexican sunflower, Tithonia rotundifola. (Photo by Kathy Keatley Garvey)
A male Melissodes agilis pauses to sip nectar from a Mexican sunflower, Tithonia rotundifola. (Photo by Kathy Keatley Garvey)

A male Melissodes agilis pauses to sip nectar from a Mexican sunflower, Tithonia rotundifola. (Photo by Kathy Keatley Garvey)

Get off my turf! A male Melissodes agilis bops another male of the species. (Photo by Kathy Keatley Garvey)
Get off my turf! A male Melissodes agilis bops another male of the species. (Photo by Kathy Keatley Garvey)

Get off my turf! A male Melissodes agilis bops another male of the species. (Photo by Kathy Keatley Garvey)


"I said get off my turf." The male Melissodes agilis trying to claim territorial rights.(Photo by Kathy Keatley Garvey)

"I said get off my turf." The male Melissodes agilis trying to claim territorial rights.(Photo by Kathy Keatley Garvey)

Posted on Wednesday, August 2, 2023 at 10:06 AM
Focus Area Tags: Environment, Innovation, Natural Resources, Yard & Garden

Boys' Night Out: Let's Have a Slumber Party!

Let's have a slumber party! Don't bring a pillow, a night-cap or an attitude—it's Boys' Night Out and we're sleeping outside on the...

Boys' Night Out--Five male longhorned bees, Melissodes agilis, sleeping on a Mexican sunflower, Tithonia rotundifola. (Photo by Kathy Keatley Garvey)
Boys' Night Out--Five male longhorned bees, Melissodes agilis, sleeping on a Mexican sunflower, Tithonia rotundifola. (Photo by Kathy Keatley Garvey)

Boys' Night Out--Five male longhorned bees, Melissodes agilis, sleeping on a Mexican sunflower, Tithonia rotundifola. (Photo by Kathy Keatley Garvey)

Good morning! A longhorned male bee, Melissodes agilis, begins to move. (Photo by Kathy Keatley Garvey)
Good morning! A longhorned male bee, Melissodes agilis, begins to move. (Photo by Kathy Keatley Garvey)

Good morning! A longhorned male bee, Melissodes agilis, begins to move. (Photo by Kathy Keatley Garvey)

During the day, the male Melissodes agilis species are quite territorial. Here one male M. agilis targets a monarch. (Photo by Kathy Keatley Garvey)
During the day, the male Melissodes agilis species are quite territorial. Here one male M. agilis targets a monarch. (Photo by Kathy Keatley Garvey)

During the day, the male Melissodes agilis species are quite territorial. Here one male M. agilis targets a monarch. (Photo by Kathy Keatley Garvey)

Posted on Wednesday, June 30, 2021 at 2:19 PM
Focus Area Tags: Environment, Innovation, Natural Resources, Yard & Garden

International Pollinator Conference Comes to UC Davis

It's all about the pollinators--whether they be bumble bees, longhorned bees, squash bees, sweat bees, honey bees or hummingbirds. Yes, hummingbirds...

A longhorned bee flies over a Mexican sunflower blossom (Tithonia) in Vacaville. (Photo by Kathy Keatley Garvey)
A longhorned bee flies over a Mexican sunflower blossom (Tithonia) in Vacaville. (Photo by Kathy Keatley Garvey)

A longhorned bee flies over a Mexican sunflower blossom (Tithonia) in Vacaville. (Photo by Kathy Keatley Garvey)

A squash bee, a specialist bee that forages on the genus Cucurbita, buzzes out of squash blossom in Vacaville, Calif. (Photo by Kathy Keatley Garvey)
A squash bee, a specialist bee that forages on the genus Cucurbita, buzzes out of squash blossom in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

A squash bee, a specialist bee that forages on the genus Cucurbita, buzzes out of squash blossom in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

A honey bee (Apis mellifera) and a yellow-faced bumble bee (Bombus vosnesenskii) share a flower on the UC Davis campus. (Photo by Kathy Keatley Garvey)
A honey bee (Apis mellifera) and a yellow-faced bumble bee (Bombus vosnesenskii) share a flower on the UC Davis campus. (Photo by Kathy Keatley Garvey)

A honey bee (Apis mellifera) and a yellow-faced bumble bee (Bombus vosnesenskii) share a flower on the UC Davis campus. (Photo by Kathy Keatley Garvey)

Posted on Wednesday, July 17, 2019 at 5:55 PM
Focus Area Tags: Agriculture, Economic Development, Environment, Innovation, Natural Resources, Pest Management, Yard & Garden

Male Longhorned Bees: Boys' Night Out!

Boys' Night Out! Have you ever seen a cluster of longhorned male bees sleeping overnight on a Mexican sunflower (Tithonia)? Every day around...

Male longhorned bees, Melissodes, spending the night on a Mexican sunflower (Tithonia)in Vacaville, Calif. (Photo by Kathy Keatley Garvey)
Male longhorned bees, Melissodes, spending the night on a Mexican sunflower (Tithonia)in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

Male longhorned bees, Melissodes, spending the night on a Mexican sunflower (Tithonia)in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

Male longhorned bees, probably Melissodes agilis, begin to wake up after spending the night clustered on a Mexican sunflower (Tithonia) in Vacaville, Calif. (Photo by Kathy Keatley Garvey)
Male longhorned bees, probably Melissodes agilis, begin to wake up after spending the night clustered on a Mexican sunflower (Tithonia) in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

Male longhorned bees, probably Melissodes agilis, begin to wake up after spending the night clustered on a Mexican sunflower (Tithonia) in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

Posted on Tuesday, July 16, 2019 at 6:40 PM
Focus Area Tags: Agriculture, Environment, Natural Resources, Yard & Garden

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