eUpdate Articles Tagged: insects

Tips on scouting for Dectes stem borer in soybeans

insects soybeans 

Kansas insect activity update - Soybean, sorghum, and wheat

What insects are active right now in soybeans, sorghum, and wheat? Does this activity present any potentials concerns? Find out more from the Extension Entomology team.


Insect activity update - Alfalfa, soybeans, and wheat

Find out what insects are still buzzing around crop fields in Kansas in this article from K-State Extension Entomology.

wheat soybeans insects alfalfa 

Kansas Insect Survey - Producer input requested

The Department of Entomology at K-State is asking for your help in delivering the best pest information to those they serve across the state. Help them out by taking a few minutes to complete this short survey.

insects survey 

Army cutworm and pea aphid activity in wheat and alfalfa fields

There are reports of insect activity in wheat and alfalfa fields in parts of Kansas. Army cutworms have become more noticeable. Also, pea aphids are showing up in alfalfa fields.

wheat insects alfalfa army cutworms pea aphids 

Update on insect activity - alfalfa weevils and army cutworms

Alfalfa weevils have started feeding in fields in north central Kansas. Does this activity warrant treatment yet? Army cutworm larvae are still active as well. How much longer will they continue their feeding?

insects alfalfa army cutworms alfalfa weevils 

Summer insect activity - Corn rootworms, click beetles, and bean leaf beetles

This article discusses some of the current insect activity in summer row crops in portions of Kansas. Each insect is discussed and is accompanied by photos.

insects corn rootworm bean leaf beetles 

Western Bean Cutworm in corn - Scouting tips and treatment options

As the corn in northwest Kansas continues to move through the final vegetative stages of growth and tassels have just started to emerge, Western Bean Cutworm is a pest to monitor. Reports of western bean cutworm egg masses in northwest and west central Kansas began over the last week and scouting has begun.

insects western bean cutworm 

Updated 2020 Wheat Variety Disease and Insect Rating publication

Variety selection is one of the most important decisions that a grower can make to ensure success on their farm. The Wheat Variety Disease and Insect Ratings 2020 publication, from K-State Research and Extension, has now been released for this year. Keep this resource handy when making planting decisions.

wheat insects disease variety selection 

Soil temperature impacts on western corn rootworm eggs

The recent Arctic-like weather raises some questions about insect pressure for the upcoming growing season, particularly for the western corn rootworm. Will this severe cold snap kill eggs that are currently lying dormant in the field?

insects soil temperature corn rootworm 

Insect activity report for Kansas - Alfalfa weevils and pea aphids

Get the latest update on the activity of alfalfa weevils and pea aphids in this article from Extension Entomologist Jeff Whitworth. Learn how to estimate the level of infestation and when a treatment threshold has been reached.

insects pea aphids alfalfa weevils 

Learn more about the brown marmorated stink bug

The brown marmorated stink bug is one that may have fallen “off the radar” of farmers in Kansas. In recent years, this insect has been slowing making its way further west. Learn more about this potentially problematic pest in this article from Entomologist Anthony Zukoff.

insects stink bug 

K-State Insect Diagnostics Program accepts digital images for insect identification

Need help identifying a bug in your crop field? The K-State Insect Diagnostics Program is now accepting identification requests of digital images using an online request form. This articles covers tips for taking the photos so that you can get an accurate identification.

insects identification 

Several K-State publications on insect pest management updated for 2021

Several K-State Research and Extension publications covering insect control in wheat, alfalfa, soybeans, and grain sorghum have been updated for 2021. Check out this helpful resources when questions arise about insect control in your crop fields.

insects publication  

Sorghum midge activity in the Southwest

Grain sorghum is in various stages of flowering in the southwest right now. Once flowering begins, growers might want to keep an eye out for sorghum midge. Learn the best way to scout for these pests and how to properly identify midge damage to sorghum.

insects grain sorghum scouting sorghum midge 

2021 Wheat Variety Disease and Insect Rating publication

Wheat Variety Disease and Insect Ratings 2021, from K-State Research and Extension, has now been released for this year. Agronomic characteristics, disease, and pest resistance information is included, as well as profiles that highlight some common or new varieties for Kansas.

wheat insects publication disease variety selection  

Update on insect activity in alfalfa - Fall armyworms, armyworms, and alfalfa caterpillars

Worm activity has been elevated for a large portion of Kansas for the last three weeks. A combination of fall armyworms, armyworms, and alfalfa caterpillars have been feeding in alfalfa fields. Learn what options are available for control in this article.

insects alfalfa armyworms fall armyworms caterpillars 

Grasshopper pressure is increasing in western Kansas

Weather patterns can have a significant impact on grasshopper populations from year to year. In areas with greater grasshopper pressure seedling alfalfa and wheat could be at risk. Learn more about the recommended treatment thresholds in this article.

insects grasshoppers 

Tips on scouting for Dectes stem borer in soybeans

The Dectes stem borer is native to Kansas and can infest soybeans. Insect damage to the stem makes the plant very susceptible to lodging, which may result in harvest losses. Scouting for Dectes while the soybeans are still green can assist in helping avoid more yield loss at harvest.

soybeans insects dectes stem borer 

Insect update: The Year of the Worm

Kansans, particularly those that farm or tend their lawns, might end up remembering 2021 as the "Year of the Worm". Here is the latest fall worms update from Extension Entomology.

wheat insects alfalfa army cutworms armyworms fall armyworms 

Sorghum midge update from Southwest Kansas

Learn how to identify damage from sorghum midge and what recommendations can help avoid grain loss. This article also provides an update on midge activity from Southwest Kansas, particularly in the Garden City area.

insects sorghum midge 

Several K-State publications on insect pest management updated for 2022

Several K-State Research and Extension publications related to insect management in Kansas were recently updated and are available online. These publications were prepared to help producers manage insect populations with the best available methods proven practical under Kansas conditions.

insects publication 

EPA proposes changes to address Bt resistance in corn ear pests

Corn earworm, fall armyworm, and western bean cutworm all can impact corn yields. These ear-feeding pests have largely been controlled through the use of Bt corn varieties. However, these pests have developed some resistance to the Bt traits. In light of this resistance, the EPA has proposed some changes regarding the use of Bt corn. Learn more in this article.

insects corn 

Heat stress can elevate the risk of pest damage to summer crops

As we face an extended period of high temperatures across Kansas, often exacerbated by strong winds, farmers should remain conscious of how heat stress can elevate the risk posed to summer crops by various pests.

insects heat stress 

Be on the lookout for the soybean gall midge

Soybean growers in the northern parts of Kansas need to be aware of a potential new pest, the Soybean Gall Midge. While not found in KS yet, it has been detected in southern Nebraska. Yield losses from this insect are due to plant death and lodging. Learn how to identify this emerging soybean pest and how to report any possible sightings.

soybeans insects soybean gall midge 

First report of sugarcane aphid on grain sorghum in Kansas

An old pest is back and has a new name. Sorghum aphids, formerly called sugarcane aphids, are showing up in Kansas fields. Grain sorghum producers should be scouting their fields on a routine basis. Early detection is important, but treatments should be based on established thresholds.

insects sorghum sugarcane aphid SCA sorghum aphid 

Scout for headworms in sorghum from flowering into milk stage

Relatively new, cost effective, and environmentally friendly products are available for controlling headworms in sorghum. These are pest-specific viruses, formulated as biological pesticides, that can be applied the same as any foliar insecticide, or delivered via overhead irrigation sprinklers.

insects grain sorghum fall armyworms headworms corn earworm 

A wheat stem sawfly look-a-like and white grub biocontrol

A wasp commonly found during the summer in Kansas has recently caught the attention of some producers. Several wasps were mistaken for wheat stem sawfly, a significant pest of wheat that has not yet established in Kansas. Sometimes referred to as flower wasps, the five-banded tiphiid wasp, is a harmless solitary wasp found throughout most of the country. Learn more in this article from K-State entomologist Anthony Zukoff.

insects wasp 

Updated publications on a variety of crop pests in Kansas now available

Several K-State Research and Extension publications on crop pests in Kansas have been updated and are available to order or download for free. Learn more about alfafla weevils, bird cherry-oat aphids, false chinch bugs, black cutworms, soybean aphids, and stink bugs.

insects publication 

Potential pest of soybeans and alfalfa in Kansas: Mealybugs

First identified in 2008 as a potential pest of soybeans in the US, trochanter mealybugs have a wide variety of hosts including corn, sorghum, and alfalfa. While their role as a pest of soybeans is still not fully understood, it appears that mealybugs have the potential to be a problem in Kansas alfalfa as sporadic infestations have been detected in the western part of the state as recently as 2022.

soybeans insects alfalfa mealybugs 

Several crop-specific publications on insect pest management updated for 2023

Several K-State Research and Extension publications related to insect management for specific crops in Kansas were recently updated and are available online. These publications were prepared to help producers manage insect populations with the best available methods proven practical under Kansas conditions.

insects publication pest management