Cooperative Extension San Joaquin County
University of California
Cooperative Extension San Joaquin County

Posts Tagged: crab spider

Spiders? Scary? Spooky?

Jumping spider eyes the photographer. (Photo by Kathy Keatley Garvey)

"Look, there's a spider!" A sure-fire way to frighten arachnophobics is the very mention of "spiders"--especially on Halloween. Spiders aren't insects but arthropods, order Araneae. They have eight legs, which according to some, are seven...

Jumping spider eyes the photographer. (Photo by Kathy Keatley Garvey)
Jumping spider eyes the photographer. (Photo by Kathy Keatley Garvey)

Jumping spider eyes the photographer. (Photo by Kathy Keatley Garvey)

Crab spider on sedum eyes a honey bee. (Photo by Kathy Keatley Garvey)
Crab spider on sedum eyes a honey bee. (Photo by Kathy Keatley Garvey)

Crab spider on sedum eyes a honey bee. (Photo by Kathy Keatley Garvey)

Garden spider captures a honey bee. (Photo by Kathy Keatley Garvey)
Garden spider captures a honey bee. (Photo by Kathy Keatley Garvey)

Garden spider captures a honey bee. (Photo by Kathy Keatley Garvey)

Posted on Friday, October 31, 2014 at 2:06 PM

Lying in Wait

Crab spider on a Mexican sunflower, Tithonia. (Photo by Kathy Keatley Garvey)

They're ambush predators. Here you are, a bee, touching down on a flower and little do you know there's a patient and persistent crab spider lying in wait.  Sometimes they're camouflaged, matching the color of a blossom, like a yellow crab spider...

Crab spider on a Mexican sunflower, Tithonia. (Photo by Kathy Keatley Garvey)
Crab spider on a Mexican sunflower, Tithonia. (Photo by Kathy Keatley Garvey)

Crab spider on a Mexican sunflower, Tithonia. (Photo by Kathy Keatley Garvey)

Crab spider on a gold coin. (Photo by Kathy Keatley Garvey)
Crab spider on a gold coin. (Photo by Kathy Keatley Garvey)

Crab spider on a gold coin. (Photo by Kathy Keatley Garvey)

Crab spider on sedum. (Photo by Kathy Keatley Garvey)
Crab spider on sedum. (Photo by Kathy Keatley Garvey)

Crab spider on sedum. (Photo by Kathy Keatley Garvey)

Posted on Thursday, July 11, 2013 at 9:58 PM
Tags: crab spider (13), Mexican sunflower (46), Tithonia (54)

A Bad Day for a Butterfly

Crab spider with its kill, a cabbage white butterly. (Photo by Kathy Keatley Garvey)

It was a bad day for a butterfly. We stopped by the Ruth Risdon Storer Garden, part of the UC Davis Arboretum, at noon today as triple-digit temperatures climbed to a scorching 103. We spotted a few cabbage white butterflies (Pieris rapae) nectaring...

Crab spider with its kill, a cabbage white butterly. (Photo by Kathy Keatley Garvey)
Crab spider with its kill, a cabbage white butterly. (Photo by Kathy Keatley Garvey)

Crab spider with its kill, a cabbage white butterly. (Photo by Kathy Keatley Garvey)

This one got away. (Photo by Kathy Keatley Garvey)
This one got away. (Photo by Kathy Keatley Garvey)

This one got away. (Photo by Kathy Keatley Garvey)

Posted on Monday, July 1, 2013 at 9:24 PM

All That Glitters Is Not Gold

Camouflaged crab spider waits for prey on a gold coin. (Photo by Kathy Keatley Garvey)

All that glitters is not gold.The gold coin flowers (Asteriscus maritimus) planted in our yard attract a goodly number of leafcutter bees and hover flies (aka flower flies and syrphid flies).But if you look closely, gold coins attract something...

Camouflaged crab spider waits for prey on a gold coin. (Photo by Kathy Keatley Garvey)
Camouflaged crab spider waits for prey on a gold coin. (Photo by Kathy Keatley Garvey)

Camouflaged crab spider waits for prey on a gold coin. (Photo by Kathy Keatley Garvey)

Close-up of crab spider camouflaged on gold coin. (Photo by Kathy Keatley Garvey)
Close-up of crab spider camouflaged on gold coin. (Photo by Kathy Keatley Garvey)

Close-up of crab spider camouflaged on gold coin. (Photo by Kathy Keatley Garvey)

Posted on Friday, July 8, 2011 at 7:20 PM

Not a Good Day for a Flower Fly

Crab spider nails a flower fly in the Haagen-Dazs Honey Bee Haven. (Photo by Kathy Keatley Garvey)

It was not a good day for a flower fly.A flower fly, aka syrphid fly, dropped down in a patch of pink roses at the Häagen-Dazs Honey Bee Haven at UC Davis today to sip nectar. It was a pink-rose kind of day. Not for the flower fly, though. A crab...

Crab spider nails a flower fly in the Haagen-Dazs Honey Bee Haven. (Photo by Kathy Keatley Garvey)
Crab spider nails a flower fly in the Haagen-Dazs Honey Bee Haven. (Photo by Kathy Keatley Garvey)

Crab spider nails a flower fly in the Haagen-Dazs Honey Bee Haven. (Photo by Kathy Keatley Garvey)

Crab spider loses its prey and heads down a stem. (Photo by Kathy Keatley Garvey)
Crab spider loses its prey and heads down a stem. (Photo by Kathy Keatley Garvey)

Crab spider loses its prey and heads down a stem. (Photo by Kathy Keatley Garvey)

Posted on Friday, May 27, 2011 at 8:44 PM

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