UC Master Gardeners, Santa Clara County, CA
University of California
UC Master Gardeners, Santa Clara County, CA

Pests in the Urban Landscape

Carpenter Bees: Mostly Beneficial

Male valley carpenter bee.

Have you seen large black or golden-brown bees foraging in your garden? These could be carpenter...

Posted on Monday, June 23, 2014 at 2:57 PM
Tags: carpenter bee (2), Pest Notes (54), pollinator (5)

Bagrada Bug Moving Northward

Bagrada bug adults and nymphs.

The Bagrada bug is a small, colorful stink bug that is becoming more common in California gardens...

The harlequin bug, a common garden pest, is similarly colored but has different markings and is 3 times larger than Bagrada bug.
The harlequin bug, a common garden pest, is similarly colored but has different markings and is 3 times larger than Bagrada bug.

The harlequin bug, a common garden pest, is similarly colored but has different markings and is 3 times larger than Bagrada bug. Photo by Jack Kelly Clark.

Bagrada bugs and their damage on mustard greens.
Bagrada bugs and their damage on mustard greens.

Bagrada bugs and their damage on mustard greens. Photo by Darcy A. Reed.

Posted on Thursday, June 19, 2014 at 12:18 PM
Tags: bagrada bug (4), harlequin bug (1), Pest Notes (54)

What's that Spider?

Jumping spiders are common in gardens. They spin no webs and pounce on prey.

There are many different types of spiders inhabiting homes and gardens in California. Most spiders...

Posted on Wednesday, June 11, 2014 at 4:47 PM

Elm Leaf Beetle: A Major Pest is Now Uncommon

Elm leaf beetle, eggs, first instar larva and damage by adult (circular hole in leaf).

Elm leaf beetles frequently defoliated elm trees in landscapes, parks and along streets in the...

Third instar larva of elm leaf beetle and feeding damage.
Third instar larva of elm leaf beetle and feeding damage.

Third instar larva of elm leaf beetle and feeding damage.

Posted on Monday, June 9, 2014 at 12:10 PM
Tags: elm leaf beetle (1), Pest Notes (54)

What Can Gardeners do to Help Honey Bees?

Figure 3. Nectar and pollen-producing plants in full bloom.

[From the June 2013 issue of the UC IPM Retail Nursery & Garden Center News] Most people have...

Posted on Thursday, June 5, 2014 at 2:25 PM
Tags: honey bee (5), neonicotinoids (1), pollinator (5)

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