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Cooperative Extension San Joaquin County

Posts Tagged: ladybugs

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

Aphids? Bring on the Beetle Mania!

Dorsal view of a multicolored Asian lady beetle on a rose bush. (Photo by Kathy Keatley Garvey)

They're back! Have you checked your rose bushes lately? Along with the lush new growth, you'll probably notice a new crop of aphids. And if you look closely, probably lady beetles (aka ladybugs). The UC Integrated Pest Management Program (UC IPM)...

The Aphid Eater

A lady beetle munching on an aphid while another aphid (far right) looks on. (Photo by Kathy Keatley Garvey)

The circle of life... Monarch caterpillars feast on milkweed, their host plant.  Oleander aphids feast on the juices of milkweed plants. Lady beetles, better known as ladybugs (but they're beetles, not bugs) feast on the aphids.  The milkweed...

Posted on Tuesday, October 6, 2015 at 5:20 PM

Fly Away Home

A lady beetle crawls on an Iceland poppy stem. (Photo by Kathy Keatley Garvey)

Who wouldn't like to have a lady beetle, aka ladybug? Although they're commonly called "ladybugs," entomologists call them "lady beetles." That's because they're beetles, not bugs. Nevertheless, who wouldn't like to have one? The California Grange...

Posted on Tuesday, March 31, 2015 at 6:19 PM

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