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

Posts Tagged: roses

What This Katydid Did...

Who goes there? That would be a katydid peeking out between yellow rose petals. (Photo by Kathy Keatley Garvey)

It's not a question of whether katydid did or didn't. She did. In answer to what-are-we-going-to-see-next-in-insect-sightings-today-in-our-weird-climate-changing patterns, a katydid  appeared on our yellow rose bush on Nov. 21 in Vacaville,...

Posted on Tuesday, November 28, 2017 at 5:33 PM

Can Lady Beetle Larvae Eat Aphids?

Close-up of a lady beetle larva eating an aphid. (Photo by Kathy Keatley Garvey)

Can the larvae of lady beetles (aka ladybugs) eat aphids? Yes, they can.  And yes, they do. We spotted some lady beetle larvae on our yellow roses today and guess what they were doing? Right, eating aphids. Eating lots of aphids. The larvae look...

There's Gold on Them Thar Roses

Matched pair: Two multicolored Asian beetles on rose leaves in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

There's gold on them thar roses. No, not the kind of gold found during the California Gold Rush (1848–1855) that brought some 300,000 folks to the Golden State. These are gold eggs from the multicolored Asian beetle, Harmonia axyridis, that...

Posted on Friday, March 24, 2017 at 4:28 PM

Aphids--It's What's for Dinner!

A multicolored Asian lady beetle, Harmonia axyridis, chows down on an aphid while other aphids suck juices from the rosebud. (Photo by Kathy Keatley Garvey)

"Well, yes, I would like some aphids for dinner," said every lady beetle (aka ladybug) everywhere. With the lush green growth of spring, come aphids (the prey) and lady beetles (the predators). And now, if you look closely, you'll see clusters or rows...

Posted on Monday, March 20, 2017 at 4:55 PM

The Days of Bees and Roses

A honey bee foraging on a yellow rose purchased at the 2014 UC Davis Rose Days. (Photo by Kathy Keatley Garvey)

This weekend will be somewhat like "The Days of Bees and Roses." On Saturday and Sunday, May 2-3, the California Center for Urban Horticulture (CCHU) and the Foundation Plant Services, two entities within the UC Davis College of Agricultural and...

Posted on Wednesday, April 29, 2015 at 8:34 PM

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