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Master Gardener Blog

Targeting the Asian Citrus Psyllid

The Asian citrus psyllid, about the size of an aphid, is a major threat to the multibillion dollar citrus industry in the United States.(Photo courtesy of the California Department of Food and Agriculture)

While you're peeling and segmenting your orange at breakfast or spooning orange honey on your toast, you're probably not thinking about the Asian citrus psyllid. But Mark Hoddle, Extension entomologist and director of the Center for Invasive...

Why the Bohart Museum of Entomology Rocks!

Entomologist Joel Hernandez adds the finishing touches on a rock painted by his wife, Melissa Cruz, the outreach coordinator for the UC Davis Arboretum and Public Garden. (Photo by Kathy Keatley Garvey)

The Bohart Museum of Entomology at the University of California, Davis, rocks! Directed by Lynn Kimsey, UC Davis professor of entomology, the insect museum is named for noted entomologist Richard M. Bohart. It rocks not "just because" of the excellent...

Posted on Monday, September 24, 2018 at 5:17 PM

Sticky mess on plants

Feeding by aphids created this sticky honeydew on crape myrtle leaves. (Credit: Belinda Messenger-Sikes)

Are you seeing cars, sidewalks, driveways, or other plants covered in sticky stuff, especially those under trees? This sticky substance, called honeydew, is produced by certain insects that excrete it when they feed on plants. Plant leaves look shiny and...

Posted on Monday, September 24, 2018 at 3:06 PM
Tags: ants (24), aphids (42), Asian citrus (1), car (1), dripping (1), honeydew (8), huanglongbing (32), leafhoppers (4), mealybugs (2), psyllids (2), scale (2), sooty mold (4), sticky (2), UC IPM (191), whiteflies (4)
Focus Area Tags: Pest Management Yard & Garden

Good Day for Two Open Houses Saturday, Sept. 22 at UC Davis

Watch out! A honey bee buzzes into the habitat of a praying mantis. Praying mantids will be exhibited Saturday, Sept. 22 during the Bohart Museum of Entomology open house. UC Davis student Lohit Garikipati  will display some of his mantids, including orchids. (Photo by Kathy Keatley Garvey)

If you've often wished you could clone yourself to be able to attend two events on the same day at the University of California, Davis, not to worry. Two open houses on Saturday, Sept. 22 have differing hours so you can attend...

Curiosity Didn't Kill the 'Cat

An aggressive caterpillar attacks  another 'cat trying to pupate. (Photo by Kathy Keatley Garvey)

Curiosity didn't kill the 'cat. An aggressive 'cat did. We were delighted to find 10 monarch caterpillars (the first of the year!) on our narrowleaf milkweed a couple of weeks ago in our Vacaville pollinator garden--but not so delighted to see what...

Posted on Thursday, September 20, 2018 at 5:00 PM

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