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Posts Tagged: beetle

Managing Invasive Shot Hole Borers in Southern California

Figure 1. Polyphagous shot hole borer. (Credit: Akif Eskalen)

[Originally published in the Fall 2018 issue of the Green Bulletin. Modified slightly from original.] Invasive wood-boring beetles are attacking hundreds of thousands of trees in southern California, including commercial avocados, and trees within urban...

Posted on Wednesday, October 24, 2018 at 10:00 AM
Tags: beetle (10), dieback (1), Dimson (1), Fusarium (1), invasive (3), IPM (3), ISHB (1), Nobua-Behrmann (1), pest (2), polyphagous (1), PSHB (1), shot hole (1), tree (2), UC IPM (5)
Focus Area Tags: Pest Management

Seeing Japanese beetles in your California landscape? Not likely.

Japanese beetle (Credit: D. Cappaert, Bugwood.org)

Originally posted August 26, 2016; edited July 10, 2018 Have you seen big green beetles in your California yard or garden? Or beetles feeding on your roses or other plants? There are many kinds of beetles commonly found in our landscapes, but the...

Posted on Tuesday, July 10, 2018 at 10:00 PM
Tags: beetle (10), CDFA (1), chafer (2), green (1), grubs (2), hoplia (2), Japanese (2), June (1), lawn (1), pests (4), UCIPM (2)
Focus Area Tags: Pest Management Yard & Garden

Ladybug, Ladybug, Fly Away Home!

A lady beetle positions itself on a tropical milkweed leaf, poised for flight. (Kathy Keatley Garvey)

Ladybug!  Ladybug!Fly away home.Your house is on fireAnd your children are gone. How many times have you heard that nursery rhyme? Better yet, how many times have you seen a lady beetle (because they're beetles, not bugs) take off? Look...

Posted on Wednesday, November 15, 2017 at 3:43 PM
Tags: beetle (10), IPM (3), lady bug (1), natural enemies (1), statewide (1)

What's That Beetle in My Roses?

Adult hoplia beetle and feeding damage. [J.K.Clark]

If you grow roses, you might be noticing damage on the flowers caused by hoplia beetles (Hoplia callipyge). Hoplia beetles, which are common between March and May, especially in the Central Valley, feed on the blossoms of light-colored roses and other...

Mature larva of hoplia beetle. [J. K. Clark]
Mature larva of hoplia beetle. [J. K. Clark]

Mature larva of hoplia beetle. [J. K. Clark]

Posted on Monday, April 24, 2017 at 11:48 AM
Tags: beetle (10), bug (1), chafer (2), grubs (2), hoplia (2), Japanese (2), management (1), nonchemical (1), pests (4), petal (1), rose (1), roses (1), UC IPM (5)

Do You Have Carpet Beetles in Your Home?

Carpet beetle final-instar larval cast skin and adult. [D.Choe]

Have you noticed small, rounded beetles that resemble miniature lady beetles crawling your home lately? If so, you may have carpet beetles. Carpet beetles can be pests in homes, museums, and warehouses, where they feed on food such as fabric, wool...

Posted on Sunday, March 19, 2017 at 10:36 AM
Tags: beetle (10), carpet (1), fabric (1), fur (1), furniture (1), larvae (1), pests (4), UC IPM (5), wool (1)

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