Bug Squad

Bumble bee on bull thistle at Bodega Bay

UC ANR is renovating its website. 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/blogcore/archive.cfm

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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VARROA MITE on a worker bee (see crab-shaped parasite near her head). These undertaker bees were trying to remove a drone larva from the hive. (Photo by Kathy Keatley Garvey)
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Pain in the Neck

March 23, 2010
To a beekeeper, it's a four-letter word. Mite. Specifically, the varroa mite, also known as Varroa destructor. It's a small (think flea-sized) crab-shaped parasite that feeds on bees, either in the brood (immature bees) or on adult bees.
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BLUE ON GREEN--A blue bottle fly (Calliphora vicinia) lands on the Mediterranean spurge (Euphorbia characias wulfenii). This species is important in forensic entomology. (Photo by Kathy Keatley Garvey)
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Sugar High

March 22, 2010
Honey bees sip nectar from the Mediterranean spurge (Euphorbia characias wulfenii) planted in our bee friendly garden. So do flies. Last weekend several flies flashing colors as brilliant as those blue morpho butterflies landed on the evergreen shrub. It wasn't your basic green bottle fly.
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QUEEN BEE (with the dot) is surrounded by worker bees (sterile females). (Photo by Kathy Keatley Garvey)
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If I Had a Hammer...

March 19, 2010
The number of new housing developments throughout the country continues to shrink as we struggle with the throes of a deep recession. That's with human housing, not in a healthy honey bee hive. The bees are busy building up their colonies, just as they do every spring.
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PATCH OF TIDY TIPS, California native wildflower, planted on the UC Davis campus, behind the Laboratory Sciences Building. If you look closely in the patch, you'll see scores of insects, including honey bees, hover flies, mason bees, ladybugs--and assassin bugs. (Photo by Kathy Keatley Garvey)
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Assassins in the Tidy Tips

March 18, 2010
If you see a patch of California native wildflowers known as "Tidy Tips," look closely. The yellow daisylike flower with white petals (Layia platyglossa) may yield a surprise visitor. You may see an assassin. An assassin bug.
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SEVEN-SPOTTED LADYBUG crawls along a leaf in a UC Davis flower garden. (Photo by Kathy Keatley Garvey)
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The Hunters Are Back

March 17, 2010
The hunters are back. Ladybugs, aka ladybird beetles, are searching for aphids and other soft-bodied insects. If you see a ladybug (family Coccinellidae), odds are you'll see her prey, the plant-sucking aphids.
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