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Utah State University

Insects

Articles 1 - 28 of 28

Full-Text Articles in Agriculture

Poplar Borer, Marion Murray, Ryan Davis Aug 2023

Poplar Borer, Marion Murray, Ryan Davis

All Current Publications

The poplar borer is the most commonly submitted wood borer found in aspens and other poplars in Utah. While large trees are seldom killed by this pest, it can cause the decline of trees, weakening of branches or the bole (which promotes wind breakage), and allows the introduction of pathogens. This fact sheet describes poplar borer life cycle, damage, and control.

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Poplar Bud Gall Mite, Marion Murray, Ryan Davis Aug 2023

Poplar Bud Gall Mite, Marion Murray, Ryan Davis

All Current Publications

The poplar bud gall mite belongs to the eriophyid mite family. These mites are microscopic and about one-fourth the size of a spider mite. Adults are about 0.2 mm in length, reddish, and spindle-shaped. This fact sheet reviews poplar bud gall mite biology and habits, damage, and control.

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Balsam Woolly Adelgid, Liz Rideout, Kate V. Richardson, Diane G. Alston, Ryan Davis, Darren Mcavoy, Lori R. Spears, Danielle Malesky, Liz Herbertson, Colleen Keyes Jun 2023

Balsam Woolly Adelgid, Liz Rideout, Kate V. Richardson, Diane G. Alston, Ryan Davis, Darren Mcavoy, Lori R. Spears, Danielle Malesky, Liz Herbertson, Colleen Keyes

All Current Publications

This fact sheet describes balsam woolly adelgid, a tiny sucking insect that is a serious pest of true firs in forests, landscapes, and in seed and Christmas tree production. It includes a description of tree injury and symptoms, life history and identification, monitoring, management, and implications to forest health.

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Aphid Natural Enemies And Biological Control, Ron Patterson, Ricardo Ramirez Feb 2021

Aphid Natural Enemies And Biological Control, Ron Patterson, Ricardo Ramirez

All Current Publications

This fact sheet lists common arthropods of Utah that eat aphids. It will help identify those arthropods and will describe management practices that aid in their success. Many of these predators will eat other plant damaging insects in addition to aphids.

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Codling Moth In Utah Orchards, Marion Murray, Diane G. Alston Jan 2020

Codling Moth In Utah Orchards, Marion Murray, Diane G. Alston

All Current Publications

Codling moth (Order Lepidoptera, Family Tortricidae) is the most serious pest of apple and pear worldwide. In most commercial fruit producing regions and home yards in Utah, fruit must be protected to harvest a crop. Insecticides are the main control tactic. There are new insecticides available, many of which are less toxic to humans and beneficial insects and mites than earlier insecticides. For commercial orchards with more than 10 acres of contiguous apple and pear plantings, pheromone-based mating disruption can greatly reduce codling moth populations to allow reduced insecticide use.

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Pear Fruit Sawfly [Hoplocampa Brevis], Marion Murray, Ryan Davis Nov 2019

Pear Fruit Sawfly [Hoplocampa Brevis], Marion Murray, Ryan Davis

All Current Publications

This fact sheet describes Pear Fruit Sawfly, its life cycle, hosts, symptoms of presence, and management options.

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Tomato Spotted Wilt Virus Of Tomato & Pepper, Claudia Nischwitz, Mariah Noorlander, Mary Ann Hubbell Oct 2019

Tomato Spotted Wilt Virus Of Tomato & Pepper, Claudia Nischwitz, Mariah Noorlander, Mary Ann Hubbell

All Current Publications

This fact sheet describes tomato spotted wilt virus, symptoms, disease cycle, management. weed control.

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Common Stink Bugs Of Utah, Mark Cody Holthouse, Zachary R. Schumm, Diane G. Alston, Lori R. Spears Jun 2019

Common Stink Bugs Of Utah, Mark Cody Holthouse, Zachary R. Schumm, Diane G. Alston, Lori R. Spears

All Current Publications

This fact sheet provides information of some of Utah's commonly encountered stink bugs, including what they look like, where to find them, and other key identifying characteristics.

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The Role Of Disease & Insects In Aspen Ecology, John C. Guyon Ii Apr 2019

The Role Of Disease & Insects In Aspen Ecology, John C. Guyon Ii

Aspen Bibliography

Aspen is a keystone species in montane forests, and enhances a number of key resource values including wildlife habitat, water resources, and fire behavior. Recently, aspen forests have experienced episodes of dieback and decline across western North America (Worrall et al. 2010, Guyon and Hoffman 2011). A large proportion of the dieback and decline has been linked to drought stress or drought-prone locations (Hanna and Kulakowski 2012). However, insects and diseases are commonly found in declining aspen stands, leading to confusion about the role of insects and diseases in aspen ecology. Additionally, aspen has a reputation for being susceptible to …

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Tomato Hornworm, Tobacco Hornworm (Manduca Quinquemaculata And Manduca Sexta), Nick Volesky, Marion Murray Mar 2019

Tomato Hornworm, Tobacco Hornworm (Manduca Quinquemaculata And Manduca Sexta), Nick Volesky, Marion Murray

All Current Publications

This fact sheet describes the tomato hornworm and the tobacco hornworm that cause similar damage to the same host plants. It includes hosts, identification, life cycle, signs and symptoms, monitoring, and management.

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Beneficial Predators: Syrphid Flies, Steven Price, Ron Patterson Dec 2018

Beneficial Predators: Syrphid Flies, Steven Price, Ron Patterson

All Current Publications

This fact sheet describes Syrphid flies, a diverse family of insects which can provide both biocontrol and pollination services. While not available for purchase, natural populations can be conserved through wise insecticide use practices and enhancing floral resources. Beneficial insects, including syrphid flies, are a useful tool for home gardeners and commercial agriculturalists alike to keep damaging pest populations to a minimum.

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Clover Root Curculio (Sitona Hispidulus F.), Kaitlin Rim, Steven Price, Ricardo Ramirez Oct 2018

Clover Root Curculio (Sitona Hispidulus F.), Kaitlin Rim, Steven Price, Ricardo Ramirez

All Current Publications

The clover root curculio is an important agricultural pest in forage production systems. Adult beetles feed on the host plant leaves while the damaging larval stage feeds on the roots below ground. Heavy larval feeding has been associated with reduced stand establishment, disruption of nutrient and water uptake, increased secondary plant pathogen infection, decreased winter plant survival, delayed green-up, and reductions in forage quality and yield. Due to the hidden nature of eggs and larvae in the soil, CRC has been overlooked and damage is often misdiagnosed as nutrient deficiencies or pathogens. Historically, applications of chlorinated hydrocarbons, carbamates, and organophosphates …

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Brown Marmorated Stink Bug Management For Fruits And Vegetables In Utah, Lori R. Spears, Diane G. Alston, Marion Murray Aug 2018

Brown Marmorated Stink Bug Management For Fruits And Vegetables In Utah, Lori R. Spears, Diane G. Alston, Marion Murray

All Current Publications

This fact sheet describes brown marmorated stink bug (BMSB), an invasive agricultural and nuisance pest from eastern Asia. It includes information on how to identify, feeding injury, monitoring, management, and chemical control.

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Spotted Wing Drosophila [Drosophila Suzukii], Lori R. Spears, Cami Cannon, Diane G. Alston, Ryan S. Davis, Cory Stanley-Stahr, Ricardo Ramirez Sep 2017

Spotted Wing Drosophila [Drosophila Suzukii], Lori R. Spears, Cami Cannon, Diane G. Alston, Ryan S. Davis, Cory Stanley-Stahr, Ricardo Ramirez

All Current Publications

This fact sheet describes spotted wing drosophila, an invasive vinegar fly that infests soft fruits and vegetables. It includes information on how to identify, plant hosts, injury symptoms, monitoring, non-chemical control, and chemical control.

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Beneficial True Bugs: Minute Pirate Bugs, Ronald Patterson, Ricardo Ramirez Sep 2017

Beneficial True Bugs: Minute Pirate Bugs, Ronald Patterson, Ricardo Ramirez

All Current Publications

This fact sheet describes beneficial true bugs: minute pirate bugs. It includes their life cycle and tips for promoting beneficial insects such as conservation and enhancement, predator release, and the predator release process.

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Aphid Pests On Vegetables, Cami Cannon, Bonnie Bunn, Erin Petrizzo, Diane G. Alston, Marion Murray Aug 2017

Aphid Pests On Vegetables, Cami Cannon, Bonnie Bunn, Erin Petrizzo, Diane G. Alston, Marion Murray

All Current Publications

This fact sheet provides information on four of the most common aphids that are pests of vegetable crops in Utah: green peach aphid, potato aphid, melon or cotton aphid, and cabbage aphid.

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Spider Mites In Raspberry, Diane Alston May 2017

Spider Mites In Raspberry, Diane Alston

All Current Publications

This fact sheet describes spider mites in raspberry and includes a description of the mite, plant injury, monitoring, and cultural, biological and chemical control management options.

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Invasive Insect Field Guide For Utah, Lori R. Spears, Ricardo A. Ramirez Dec 2014

Invasive Insect Field Guide For Utah, Lori R. Spears, Ricardo A. Ramirez

All Current Publications

This publication provides information on Utah's top priority invasive insects that have been reported in the state as well as some invasive insects that are considered to be a threat to Utah's agriculture and natural resources, but have only been reported elsewhere in the U.S. and abroad. Included is a brief description of each invasive insect, its host(s) and current distribution, symptoms to watch out for, and graphs of its expected activity throughout the season.

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Cat-Facing Insects, Diane Alston, Michael Reding, Marion Murray Oct 2010

Cat-Facing Insects, Diane Alston, Michael Reding, Marion Murray

All Current Publications

There are a number of insects with the piercing-sucking feeding habit that can cause deformity and catfacing type injury to pome and stone fruits, including lygus bug, stink bug, and boxelder bug. Cat-facing injury is caused by puncture feeding in flower buds and fruit. The result is unsightly dimpling, deformity, and scarring of fruit. The name “cat facing” comes from the distorted fruit shape that resembles the puckered cheeks of a cat. In addition to the insects discussed in this section, some aphids and the campylomma bug can inflict similar injury.

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Reducing Pesticide Poisoning Of Bees, Howard Dear, Richard Beard Jun 2006

Reducing Pesticide Poisoning Of Bees, Howard Dear, Richard Beard

All Current Publications

Choose insecticides that are non hazardous to bees whenever possible. The more hazardous insecticide active ingredients include many of the organophosphates and the carbamates, and some of the synthetic pyrethroids and neonicotinoids.

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New European Wasp, Steven D. Cox Apr 2004

New European Wasp, Steven D. Cox

All Current Publications

This newly introduced European wasp has a native range from Europe to China. As a group, these wasps have a high rate of reproductive increase and are excellent invaders.

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Grasshoppers And Mormon Crickets: Fighting Them For Nearly 100 Years, Usu Extension Jan 2003

Grasshoppers And Mormon Crickets: Fighting Them For Nearly 100 Years, Usu Extension

All Current Publications

Grasshoppers are a threat to crops and rangeland across the West, but Utah always has had a special historical relationship with Mormon Crickets. Anabrus simplex has been known as a Mormon Cricket since 1848 when hordes of the insect started eating the early Mormon settlers’ much-needed crops.

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Locust Borer, Jay B. Karren, Alan H. Roe Jan 2002

Locust Borer, Jay B. Karren, Alan H. Roe

All Current Publications

The locust borer, Megacyllene robiniae (Forster) belongs to the beetle family Cerambycidae, commonly known as the longhorned beetles, a name which refers to the long antennae of most of the species in this group.

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Carpenter Ants And Control In Homes, Jay B. Karren, Alan H. Roe May 2000

Carpenter Ants And Control In Homes, Jay B. Karren, Alan H. Roe

All Current Publications

Carpenter ants are members of the insect order Hymenoptera, which includes bees, wasps, sawflies, and other ants. Carpenter ants can be occasional pests in the home and are noted particularly for the damage they can cause when nesting in wood. In Utah they are more of a nuisance rather than a major structural pest.

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Millipedes, Jay B. Karren, Alan H. Roe Apr 2000

Millipedes, Jay B. Karren, Alan H. Roe

All Current Publications

Millipedes are related to trilobites, spiders and ticks, sowbugs, and crayfish, centipedes, and insects. Each group represents a different class of arthropods. Millipedes or "thousandlegged worms" include over 800 species of the class Diplopoda in North America.

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Saltcedar, Tamarisk, Ruth Richards, Ralph Whitesides Jan 2000

Saltcedar, Tamarisk, Ruth Richards, Ralph Whitesides

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Saltcedar is diffi cult to control. Single treatment approaches to control saltcedar have not proven feasible because no method completely eliminates saltcedar or its regeneration.

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Saving Utah's Landscape, Biocontrol Of Tamarisk, Usu Extension Jan 2000

Saving Utah's Landscape, Biocontrol Of Tamarisk, Usu Extension

All Current Publications

Scientists at the Animal, Plant and Health Inspection Service (APHIS) have been working for years to determine if beetles imported from China and Kazakhstan would effectively consume tamarisk (salt cedar) in the U.S. without threatening desirable vegetation.

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Mormon Crickets: A Brighter Side, Charles Macvean Jul 1991

Mormon Crickets: A Brighter Side, Charles Macvean

All Current Publications

In a recent appraisal of Mormon crickets (Anabrus simplex Haldeman), Raffelson (1989) reminds us that these insects are a subject of great concern and dislike among Western ranchers and farmers.

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