Division of Agriculture and Natural Resources
Division of Agriculture and Natural Resources
Division of Agriculture and Natural Resources
University of California
Division of Agriculture and Natural Resources

Posts Tagged: Western tiger swallowtail

Battle Between a Butterfly and a Bee

So, here you are, a newly eclosed Western tiger swallowtail, Papilio rutulus, eager to sip some nectar from a Mexican sunflower, Tithonia rotundifola, in a Vacaville garden. It's a warm, windless day, and you're anxious to score, score,...

A Western tiger swallowtail, aware that a territorial bee is about to attack, raises its tails to ward off the intruder. (Photo by Kathy Keatley Garvey)
A Western tiger swallowtail, aware that a territorial bee is about to attack, raises its tails to ward off the intruder. (Photo by Kathy Keatley Garvey)

A Western tiger swallowtail, aware that a territorial bee is about to attack, raises its tails to ward off the intruder. (Photo by Kathy Keatley Garvey)

The Western tiger swallowtail begins to take flight. (Photo by Kathy Keatley Garvey)
The Western tiger swallowtail begins to take flight. (Photo by Kathy Keatley Garvey)

The Western tiger swallowtail begins to take flight. (Photo by Kathy Keatley Garvey)

The Western tiger swallowtail leaps off as the bee draws closer. (Photo by Kathy Keatley Garvey)
The Western tiger swallowtail leaps off as the bee draws closer. (Photo by Kathy Keatley Garvey)

The Western tiger swallowtail leaps off as the bee draws closer. (Photo by Kathy Keatley Garvey)

The Western tiger swallowtail escapes a hit by the longhorned bee. (Photo by Kathy Keatley Garvey)
The Western tiger swallowtail escapes a hit by the longhorned bee. (Photo by Kathy Keatley Garvey)

The Western tiger swallowtail escapes a hit by the longhorned bee. (Photo by Kathy Keatley Garvey)

Posted on Tuesday, September 10, 2024 at 4:12 PM
Focus Area Tags: Environment, Innovation, Natural Resources, Yard & Garden

A Tiger and a Tithonia

When a tiger meets a Tithonia, or a Tithonia meets a tiger, Nature bursts forth in all its glory. Such was the case when we spotted a Western tiger swallowtail, Papilio rutulus, foraging for nectar on a Mexican sunflower,...

A Western tiger swallowtail lands on a Mexican sunflower and begins to nectar. (Photo by Kathy Keatley Garvey)
A Western tiger swallowtail lands on a Mexican sunflower and begins to nectar. (Photo by Kathy Keatley Garvey)

A Western tiger swallowtail lands on a Mexican sunflower and begins to nectar. (Photo by Kathy Keatley Garvey)

The Western tiger swallowtail decides that
The Western tiger swallowtail decides that "leaving" is good. (Photo by Kathy Keatley Garvey)

The Western tiger swallowtail decides that "leaving" is good. (Photo by Kathy Keatley Garvey)

The
The "tiger" begins to make a quick exit. (Photo by Kathy Keatley Garvey)

The "tiger" begins to make a quick exit. (Photo by Kathy Keatley Garvey)

Tail up, and off it goes, the Western tiger swallowtail caught in flight. (Photo by Kathy Keatley Garvey)
Tail up, and off it goes, the Western tiger swallowtail caught in flight. (Photo by Kathy Keatley Garvey)

Tail up, and off it goes, the Western tiger swallowtail caught in flight. (Photo by Kathy Keatley Garvey)

Posted on Thursday, September 5, 2024 at 6:00 PM
Focus Area Tags: Environment, Innovation, Natural Resources, Yard & Garden

A Butterfly and a Bush: A Love-Hate Relationship

When a newly eclosed Western tiger swallowtail, Papilio rutulus, lands on a butterfly bush, the colors are striking. The yellow and black butterfly contrasts well on the purple blossoms of Buddleja davidii. While the majestic...

A Western tiger swallowtail, Papilio rutulus, nectaring on a butterfly bush, Buddleja davidii. (Photo by Kathy Keatley Garvey)
A Western tiger swallowtail, Papilio rutulus, nectaring on a butterfly bush, Buddleja davidii. (Photo by Kathy Keatley Garvey)

A Western tiger swallowtail, Papilio rutulus, nectaring on a butterfly bush, Buddleja davidii. (Photo by Kathy Keatley Garvey)

Posted on Monday, July 22, 2024 at 7:29 PM
Focus Area Tags: Environment, Innovation, Natural Resources

Lawn-pocalypse! Surviving Drought

Ah, summer! The season of sunburns, pool parties, and… lawn droughts. If your once lush, green carpet now looks like a crunchy brown doormat, you're not alone. Let's dive into why your yard is staging a dramatic death scene and what you can do to...

Bermuda grass and weeds overtaking drought stressed turf grass.
Bermuda grass and weeds overtaking drought stressed turf grass.

A patch of former lawn, mostly dead, with a few green weeds and Bermudagrass

Posted on Thursday, July 11, 2024 at 3:30 PM
Tags: drought, turf
Focus Area Tags: Yard & Garden

Applause for the Pollinators

Bees, butterflies, beetles, birds and bats. What do they have in common? Skipping the alliteration for a moment, they're all pollinators. Honey bees grab the most attention, of course, and they do the bulk of the work. But so do bumble bees and other...

A Western tiger swallowtail, Papilio rutulus, touches down on a Mexican sunflower, Tithonia rotundifola. (Photo by Kathy Keatley Garvey)
A Western tiger swallowtail, Papilio rutulus, touches down on a Mexican sunflower, Tithonia rotundifola. (Photo by Kathy Keatley Garvey)

A Western tiger swallowtail, Papilio rutulus, touches down on a Mexican sunflower, Tithonia rotundifola. (Photo by Kathy Keatley Garvey)

The soldier beetle (family Cantharida) is also a pollinator. This insect resembles the uniforms of the British soldiers of the American Revolution. (Photo by Kathy Keatley Garvey)
The soldier beetle (family Cantharida) is also a pollinator. This insect resembles the uniforms of the British soldiers of the American Revolution. (Photo by Kathy Keatley Garvey)

The soldier beetle (family Cantharida) is also a pollinator. This insect resembles the uniforms of the British soldiers of the American Revolution. (Photo by Kathy Keatley Garvey)

A honey bee, Apis mellifera, and a Western yellowjacket, Vespula penslvanica, sharing a rose. Both are pollinators. (Photo by Kathy Keatley Garvey)
A honey bee, Apis mellifera, and a Western yellowjacket, Vespula penslvanica, sharing a rose. Both are pollinators. (Photo by Kathy Keatley Garvey)

A honey bee, Apis mellifera, and a Western yellowjacket, Vespula penslvanica, sharing a rose. Both are pollinators. (Photo by Kathy Keatley Garvey)

A honey bee, Apis mellifera, and a bumble bee, Bombus vosnesenskii, sharing a purple cone flower, Echinacea purpurea. (Photo by Kathy Keatley Garvey)
A honey bee, Apis mellifera, and a bumble bee, Bombus vosnesenskii, sharing a purple cone flower, Echinacea purpurea. (Photo by Kathy Keatley Garvey)

A honey bee, Apis mellifera, and a bumble bee, Bombus vosnesenskii, sharing a purple cone flower, Echinacea purpurea. (Photo by Kathy Keatley Garvey)

Posted on Monday, June 17, 2024 at 5:03 PM
Focus Area Tags: Environment, Innovation, Natural Resources, Yard & Garden

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