Pest Notes for Home & Landscape, Gardening & Pests, Lawn & Garden

Ground Squirrel: Pest Notes for Home and Landscape

The California ground squirrel, Spermophilus beecheyi, is one of the most troublesome pests to homeowners and gardeners. It is found in nearly all regions of California except for the Owens Valley southward into the desert regions.

Publication Number:: 7438

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Hackberry Woolly Aphid: Pest Notes for Home and Landscape

Hackberry woolly aphid, sometimes called Asian woolly hackberry aphid (Shivaphis celti), infests hackberry, especially Chinese hackberry (Celtis sinensis), throughout the state.

Publication Number:: 74111

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Head Lice: Pest Notes for Home and Landscape

Many families with young children have at least one encounter with the head louse. Head lice can be so rampant among preschool and school-aged children that often schools must work in conjunction with many families to control an infestation.

Publication Number:: 7446

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Hiring a Pest Control Company: Pest Notes for Home and Landscape

Although professional services may seem costly, the investment may be worth it to solve a serious problem. This guideline covers steps to take before and after hiring a company and a checklist to use when working with your selected company.

Publication Number:: 74125

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Hobo Spider: Pest Notes for Home and Landscape

The potentially poisonous hobo spider does not live in California and has never been documented in the state. There are many cases, however, of common related spiders being misidentified as hobo spiders.

Publication Number:: 7488

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Hoplia Beetle: Pest Notes for Home and Landscape

The hoplia beetle is a common pest of roses and other plants in many parts of California, especially the Central Valley. It is a problem from late March to May when the adult beetles feed on light-colored blossoms.

Publication Number:: 7499

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Horsehair Worms: Pest Notes for Home and Landscape

Horsehair worms belong to the phylum Nematomorpha, class Gordioida. They are also called Gordian worms. They occur in water sources such as ponds, rain puddles, swimming pools, animal drinking troughs, and even domestic water supplies.

Publication Number:: 7471

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House Mouse: Pest Notes for Home and Landscape

The house mouse is one of the most troublesome rodents in the United States. They thrive under a variety of conditions; are found in and around homes and commercial structures as well as in open fields and agricultural lands.

Publication Number:: 7483

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House Plant Problems: Pest Notes for Home and Landscape

Most houseplant problems are caused by improper care and by environmental factors in the home that are unfavorable to optimal plant growth. Understanding the growing requirements of each of your houseplants will help you identify and manage problems.

Publication Number:: 74172

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Indian Walking Stick: Pest Notes for Home and Landscape

Walking stick insects came from India to California through the pet trade but have escaped the cage and are now found in the wild in southern and coastal areas. Newly emerged nymphs may feed heavily on new flush growth in landscape plants.

Publication Number:: 74157

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Invasive Plants: Pest Notes for Home and Landscape

Invasive plants are a distinct group of weeds that occur in natural habitats. This Pest Note shows how invasive plants differ from common garden and agricultural weeds and discusses their occurrence, impact, spread, and management.

Publication Number:: 74139

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Invasive Shothole Borers: Pest Notes for Home and Landscape

Invasive shothole borers are non-native beetles that bore into trees and introduce a fungus that causes the tree disease known as Fusarium dieback. Curretnly invasive in Southern California; but because of the wide host range, if left unmanaged, it can potentially spread to the rest of California and neighboring states.

Publication Number:: 74179

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Itching and Infestation: What's Attacking Me? Pest Notes for Home and Landscape

The sensation feels like bugs, worms, or mites that are biting, crawling over or burrowing into, under, or out of your skin. No one seems to think they exist except you. Nothing seems to get rid of them. So what are they?

Publication Number:: 7443

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Kikuyugrass: Pest Notes for Home and Landscape

Kikuyugrass is an aggressive perennial weed of turfgrass, ornamental plantings, orchards, and noncrop areas in California. It is well adapted to warm, temperate climates such as those of the coast and inland valleys of southern and central California.

Publication Number:: 7458

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Lace Bugs: Pest Notes for Home and Landscape

Many kinds of lace bugs, family Tingidae, feed on landscape plants throughout the United States. Hosts include alder, ash, avocado, azalea, coyote bush, birch, ceanothus, fruit trees, photinia, poplar, sycamore, toyon, walnut, and willow.

Publication Number:: 7428

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Lawn Diseases: Prevention and Management: Pest Notes for Home and Landscape

Maintaining a healthy lawn is the best way to prevent a disease outbreak in a turfgrass. 75 to 85% of common lawn diseases can be avoided by optimizing practices to avoid stressed grass, which is more susceptible to disease outbreaks.

Publication Number:: 7497

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Lawn Insects: Pest Notes for Home and Landscape

Insects are not a common cause of residential lawn damage in California, but certain species occasionally damage or kill turfgrass. Insect feeding can cause grass to turn yellow or brown, or die, especially if the grass is already stressed.

Publication Number:: 7476

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Leaffooted Bug: Pest Notes for Home and Landscape

Leaffooted bugs feed on fruits, vegetables, and ornamental plants. The adult bug is 3/4 to 1 inch long and has flattened areas on its back legs that look something like small leaves. This free publication will help you recognize and manage this pest.

Publication Number:: 74168

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Leafrollers on Ornamental and Fruit Trees: Pest Notes for Home and Landscape

Fruittree leafroller, Archips argyrospila, can be a serious pest throughout California. It occurs on a very large number of ornamental trees and is particularly damaging to deciduous and live oaks.

Publication Number:: 7473

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Lizards: Pest Notes for Home and Garden

Although some lizards eat plants, most feed on insects. Lizards cause no measurable damage to plants in gardens and should be left alone.

Publication Number:: 74120

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Lyme Disease in California: Pest Notes for Home and Landscape

Lyme disease is a potentially debilitating and sometimes chronic infection transmitted to humans and other animals by certain ticks.

Publication Number:: 7485

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Mallows: Pest Notes for Home and Garden

Weedy mallow plants are found growing widely in California. Although some of the wild mallow species can be eaten, mallows are less than desirable when found growing in crop fields, orchards, lawns, gardens, and landscapes.

Publication Number:: 74127

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Mealybugs: Pest Notes for Home, Garden, and Landscape

Mealybugs are soft, oval, wax-covered insects that feed on many plants in garden, landscape, and indoor settings. Usually found in colonies, they are piercing-sucking insects closely related to soft scales but lack the scale covers.

Publication Number:: 74174

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Millipedes and Centipedes: Pest Notes for Home and Garden

Millipedes and centipedes are often seen in and around gardens and may be found wandering into homes. Unlike insects, which have three clearly defined body sections and three pairs of legs, they have numerous body segments and numerous legs.

Publication Number:: 7472

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Pest Notes for Home & Landscape

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