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

Posts Tagged: California Department of Food and Agriculture

Ever Seen a Snakefly?

A snakefly, genus Agulla, snared in a spider web in Vacaville, Calif. (Photo by Kathy Keatley Garvey)

Have you ever seen a snakefly? Not a snake. Not a fly. A snakefly! They're predators but rarely seen. They eat insects such as aphids and mites. They have a long neck, or technically, an elongated prothorax, their most distinguishing...

Posted on Wednesday, August 2, 2017 at 5:23 PM

The Lady Beetle and the Syrphid Fly

A large syrphid fly, Scaeva pyrastri (as identified by Martin Hauser of the California Department of Food and Agriculture), heads for a lady beetle. (Photo by Kathy Keatley Garvey)

So, here I am, an Asian lady beetle (Harmonia axyridis) perched on a rose bush in Vacaville, Calif., as dawn breaks. I'm eating  aphids and minding my own beetle business, which consists of gobbling aphids and more aphids. And more aphids. Did I say...

Know Your Dragonflies!

A red flameskimmer dragonfly, (Libellula saturata) perches on a bamboo stake. (Photo by Kathy Keatley Garvey)

You're walking through a park and suddenly spot a dragonfly perched on a stick. "What's that?" you ask. As you edge closer, it takes off. "Missed it!" Well, you won't want to miss the Bohart Museum of Entomology's open house on Sunday, Sept. 20...

Buddy, Can You Share a Meal?

Freeloader fly sharing a meal with a spider. (Photo by Kathy Keatley Garvey)

The next time you see a spider eating a bee snared in its web, look closely. The spider may not be alone. It may have a dinner companion.  A freeloader fly. The common name, "freeloader fly," refers to the Milichiidae family. These flies are very...

Posted on Monday, August 13, 2012 at 10:04 PM
 
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