University of California
Stanislaus County

Posts Tagged: tachinid fly

Parasitoid Palooza! Or What Ate My Caterpillar or Chrysalis

This monarch chrysalis is filled with tachinid fly larvae, about to emerge. (Photo by Kathy Keatley Garvey)

So you're trying to rear monarch butterflies. You notice an egg on your milkweed plant, and watch its life cycle from egg to caterpillar to chrysalis.  Aha, you think, soon I'll be able to see an adult monarch eclose from that chrysalis. Not so...

Posted on Monday, November 13, 2017 at 5:00 PM

Taking on the Tachinids

Tachinid fly

They're hairy. They're bristly. They're attention-getters. They probably draw more "yecchs!" than most insects. All the more reason to love 'em. Frankly, the tachinids (family Tachinidae, order Diptera) could never be misidentified as honey bees, as...

Posted on Monday, January 30, 2012 at 9:42 PM

The End Is Near

Two cellar spiders work together to capture a Tachinid fly in their web. (Photo by Kathy Keatley Garvey)

The parasitic fly (family Tachinidae) never had a chance. It went from floral visitor to spider prey to spider dinner when it made a single solitary mistake: it inadvertently fell into a sticky web. Its life-and-death struggle in our back yard did not...

Posted on Tuesday, December 13, 2011 at 8:40 PM

A Fly -- Oh, My!

Tachinid Fly

It's a curious-looking insect, the tachinid fly. The first thing you notice are the thick, dark bristles covering its abdomen. By human standards, this insect, about the size of a house fly, is not pretty.  No way, no how. But there it was,...

Posted on Monday, May 18, 2009 at 3:02 PM

Dracula in the Garden

Pitcher plant

The red-pigmented white pitcher plant we purchased at the UC Davis Arboretum Plant Faire looks like a flamboyant coral reef. Like a hat askew, its ruffled “lid” hangs over the trumpet-shaped...

Posted on Tuesday, October 21, 2008 at 12:48 PM

Next 5 stories | Last story


Stanislaus County
University of California Cooperative Extension
3800 Cornucopia Way, Ste. A
Modesto, CA 95358
Phone: (209) 525-6800
Fax: (209) 525-6840

Director: Roger Duncan
roger picture

Webmaster Email: