Pests in the Urban Landscape

Urban neighborhood and park.

The Pests in the Urban Landscape blog shares the latest sustainable pest management news and information from the UC IPM Urban & Community Program. 

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Poison oak stalks after leaf loss. (Credit: Anne McTavish)
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Poison Oak: Not Just a Summer Problem

February 7th, 2018
By Anne E Schellman
Campers and hikers are often warned to avoid poison oak in summer by looking out for green plants with glossy leaflets of three. However, as weather cools, the appearance of the plant changes, making it more difficult to identify.
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Adult ground squirrel. (Credit: Jack Kelly Clark)
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Ground Squirrel Trouble

January 29th, 2018
By Anne E Schellman
California ground squirrels are common throughout much of California and may be found living near homes, structures, gardens, and landscapes where they can be a real nuisance.
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Flowering dandelion. (Photo: Gerald and Buff Corsi)
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Dandelions in the Landscape

January 27th, 2018
By Anne E Schellman
Dandelions are broadleaf plants easily recognizable by their bright yellow flower and puffball of white tufted seeds heads.
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The black widow spider is the most harmful spider in California. (Photo: Jack Kelly Clark)
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Spider Bites

January 22nd, 2018
By Anne E Schellman
Unlike mosquitoes, spiders do not seek people in order to bite them. Generally, a spider doesn't try to bite a person unless it has been squeezed, lain on, or similarly provoked to defend itself.
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Rose aphids infesting a blossom. (Photo: Jack Kelly Clark)
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Still Seeing Aphids on Your Plants?

January 17th, 2018
By Anne E Schellman
Are you surprised to see aphids on some of your plants this time of year? With the current mild temperatures in California, aphids may continue living and reproducing in some locations this winter, with female adults giving birth to live young every day.
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