Bug Squad

The Sting. (c) Kathy Keatley Garvey)
The Bug Squad blog, by Kathy Keatley Garvey of the University of California, Davis, is a daily (Monday-Friday) blog launched Aug. 6, 2008. It is about the wonderful world of insects and the entomologists who study them. Blog posts are archived at https://my.ucanr.edu/blogs/bugsquad/index.cfm. The story behind "The Sting" is here: https://my.ucanr.edu/blogs/blogcore/postdetail.cfm?postnum=7735.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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TACHINID FLY is covered with thick, dark bristles on its abdomen. In its larval stage, this insect parasitizes caterpillars, especially Lepidoptera. (Photo by Kathy Keatley Garvey)
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A Fly -- Oh, My!

May 18, 2009
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.
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SYRPHID or flower fly aims for a cactus blossom. A high shutter speed slows the wing action. (Photo by Kathy Keatley Garvey)
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Patience in the Garden

May 15, 2009
Patience. That's what it takes to capture images of syrphids, aka flower or hover flies. They are oh, so tiny and they move oh, so quickly. As the morning dawns, you wait, camera poised, near their preferred blossoms.
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FLYING IN--A syrphid or flower fly heads for a newly opened cactus blossom. (Photo by Kathy Keatley Garvey)
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If It Looks Like a Duck....

May 14, 2009
If it looks like a duck, quacks like a duck, and walks like a duck, it's probably a duck. If it looks like a bee, buzzes like a bee, and visits flowers like a bee, it might not be a bee. It could be a fly, or more specifically, a syrphid or flower fly.
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A male carpenter bee (Xylocopa tabaniformis) nectars on lavender. (Photo by Kathy Keatley Garvey)
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On Gossamer Wings

May 12, 2009
"Gossamer" means something sheer, light and delicate, as in gossamer fabric. You can also apply it to the wings of a carpenter bee. We captured this image of a male carpenter bee (Xylocopa tabaniformis) nectaring on lavender. The wings look sheer, fragile and airy.
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