- Author: Niamh M Quinn
- Author: Roger A Baldwin
- Author: Carolyn Whitesell
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. Luckily there are multiple successful management options to choose from when it comes to managing pocket gophers.
Do I have a pocket gopher?
Pocket gophers are small burrowing rodents that are often identified from the damage they cause rather than a sighting of the animal itself. Pocket gophers spend most of their time below the surface and while it is possible to see them above the ground, or peeping out of a burrow (Figure 1), the easiest way to determine the presence of pocket gophers is by the...
/h2>- Author: Elaine Lander
If you are growing tomatoes in your garden, you may not be the only vertebrate going for your hard earned harvest. Are rats feasting away in the garden? We have a couple resources we can share to help you reduce or prevent rat damage to your tomatoes.
Integrated Pest Management for Rats
- Our Pest Notes: Rats has information to help you with identification, biology and IPM options.
- This blog post provides additional information on using snap traps to catch rats and mice.
- If you are managing a school or community garden, you can...
- Author: Niamh Quinn
- Posted by: Elaine Lander
Trapping is the safest and most effective method for controlling rats and mice in and around homes, garages, and other structures. Rodents that live in close association with humans are called commensal rodents. Rats and mice are the most frequently encountered commensal rodents in California.
Selecting the correct trap
Before trapping, make sure you know what rodent pest you have. It is a very common mistake to select the wrong size trap when you have not yet determined whether you have mice or rats (and the correctly identified rat species).
You will not catch a rat with a mouse trap, and you will not catch a mouse with a rat trap. To determine...
/h2>- Author: Andrew Sutherland
- Posted by: Elaine Lander
Two species of Blatta cockroaches can be common peridomestic pests in California, including the familiar oriental cockroach (B. orientalis) and a relative newcomer, the Turkestan cockroach (B. lateralis, Figure 1). Adults of both species are large (usually one inch or more in length) and conspicuous insects that harbor and breed outdoors within moist crevices around structures, such as subsurface utility ports, voids associated with concrete expansion joints, and soil cracks formed at junctions of landscape and hardscape elements (Figure 2).
From these harborage sites, cockroaches venture out at night to feed on a wide variety of...
- Author: Michelle Leinfelder-Miles
UC Cooperative Extension has augmented efforts to monitor armyworm populations in rice fields since 2015 when we observed large populations earlier in the year (June) than previously observed. Here in San Joaquin County, we began monitoring in Delta rice fields a couple weeks ago. We are cooperating with rice farm advisors in the Sacramento Valley to get a more comprehensive assessment of the populations. Figure 1 shows moth counts from last week. The Delta count is the single orange data point at about 36 moths/day. Compare that to the Sacramento Valley where there have been similarly high moth catches in Colusa and Glenn counties.
These counts illustrate that it is important to be monitoring fields for worm feeding. The UC IPM...