Pests in the Urban Landscape

After years of drought, we welcome rain in California. But we also recognize that rain can help spread a number of plant diseases. Rain and wind can splash bacteria and fungi from infected leaves, branches, and blossoms to uninfected parts of the tree.

Ants are one of the major seasonal pests around structures in California's urban environments. Pest management companies throughout the state report that ants are responsible for a significant proportion of their pest control services.

Pocket gophers can cause significant damage to valuable turf, girdle trees, and chew irrigation lines. Their mounds can create tripping hazards and lead to erosion concerns when found on slopes.

It's time for UC IPM's annual insect Easter egg hunt! Can you guess which insects laid the eggs pictured below? Some may be pests, while others may be beneficial. Leave a comment on this blog post with your guesses, or on our Facebook and Instagram posts. Answers will be posted on Monday, April 1st.

Spring is just around the corner and many types of fruit trees are starting to develop their leaves. If you are growing peaches or nectarines and are now seeing symptoms of peach leaf curl on new leaves, unfortunately it's too late to manage the disease.