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Insects : article

A gnawing problem

COLUMBIA, Mo. – The mouth of a termite might be small, but an infestation can take a big bite out of a home if left undetected.

Aid for ailing plants

COLUMBIA, Mo. – If you have the sniffles or a bad infection, a visit to your doctor can usually put things right. Plants can get sick too and the University of Missouri Plant Diagnostic Clinic is where you can turn for help.

Asian needle ant could reach Missouri in 2025

Asian needle ants, an invasive species, may reach Missouri in 2025. Stay alert to protect local environments and health.

Bah humbug to so-called murder hornets

Asian giant hornets are not a threat in Missouri; their “murder hornet” label is misleading and causes unnecessary fear.

Battling Japanese beetles in your garden and flowers

INDEPENDENCE, Mo. – Patience and a bucket of soapy water are your best friends when fending off Japanese beetles in the garden, says University of Missouri Extension horticulturist Tamra Reall.

Be vigilant for spotted lanternfly in Missouri

COLUMBIA, Mo. – Missouri residents are urged to be on the lookout for spotted lanternfly (SLF), an insect that could have devastating effects on the state’s $4.2 billion wine and grape industry. SLF can damage fruits including grapes, as well as ornamentals and urban landscapes.

Caterpillars horn in on tomato plants

COLUMBIA, Mo. – Several types of caterpillars damage tomato plants in Missouri, but the tomato hornworm and the tobacco hornworm usually get the most attention because of the prominent horn on the last segment of their bodies.

Check ash trees for emerald ash borer

Emerald ash borer threatens ash trees across Missouri. Learn signs of infestation, treatment options, and ways to protect valuable trees.

Choose the right pest control provider before the bedbugs bite

COLUMBIA, Mo. – To some, “Don’t let the bedbugs bite” isn’t just a quaint good-night wish. Bedbugs are a nightmare for people in the hospitality and housing industries, says Sam Polly, coordinator of University of Missouri Extension’s Pesticide Safety Education Program.

Combating common pests of cucumbers, melons and squash

Manage pests like cucumber beetles and squash bugs with trap cropping, hand removal, and selective insecticides to protect your cucurbit crops.

Companion planting: Positive partnerships that produce more

Discover how companion planting boosts growth, deters pests, attracts pollinators, and enhances garden beauty and soil health.

Crops face danger of BMSB damage

Brown marmorated stink bugs threaten crops, reducing yields in soybeans, corn, fruits, and vegetables across Missouri.

Don't plant seeds you didn't order

Do not plant unsolicited seeds. They may carry pests, diseases, or invasive species. Report or safely return unknown seeds.

Dr. Bug answers questions you're itching to ask about mosquitoes

Get answers to curious questions about mosquitoes, larvae, and bug behavior for kids and families.

Dr. Bug is on call when kids ‘bug’ you about bugs

Help kids explore the world of insects with answers to their curious bug questions and fun winter bug facts.

Dr. Bug talks Pokemon and why your Christmas tree may be bugged

Discover why your Christmas tree might host tiny mantises and how Pokémon’s Scyther was inspired by real bugs.

Emerald ash borer arrives in Missouri

COLUMBIA, Mo. - They're here: Emerald ash borers, which have killed tens of millions of ash trees in eight states, are now in Missouri. On July 23, USDA scientists discovered seven of the insects in traps in Wayne County in southeast Missouri.

Expect high numbers of Japanese beetles this year

Expect high Japanese beetle activity this year, damaging corn, soybeans, and over 400 garden plants. Control may require multiple treatments.

Fall garden cleanup influences next year's success

The success of next year’s garden is influenced greatly by fall cleanup. Garden cleanup does more than just improve the appearance of the garden during the mundane, lifeless months of winter. It reduces the amount of disease inoculum and insect infestation that might remain.

Fire ants may be hiding in imported hay

COLUMBIA, Mo. – Missouri farmers who bought hay from parts of the southern U.S. may have accidentally brought along a nasty visitor.

Galls on oak trees unsightly but harmless

COLUMBIA, Mo.– Those unsightly round, brown growths seen on oaks this time of year won’t harm the tree, says a University of Missouri Extension fruit specialist.

Grant aims to share pest management information with more diverse audience

The University of Missouri’s Integrated Pest Management (IPM) program has received a grant from the U.S. Department of Agriculture to strengthen its reach to diverse clientele with sustainable pest management practices.

Grow your own veggies to ease COVID-19 financial stress

COLUMBIA, Mo. – In response to the tremendous interest in home food production, University of Missouri Extension now offers a free online course in basic vegetable gardening.

Grubs may pay unwelcome visit to lawns

COLUMBIA, Mo. –During August, homeowners may notice signs of grubs, an unwelcome annual visitor to healthy, green lawns. “The earliest symptoms of white grubs feeding on turf grass roots are wilted patches,” said Brad Fresenburg, University of Missouri Extension turf researcher.

Guard against emerging tick-borne disease in Missouri

Learn how to protect yourself and pets from ticks and prevent Heartland disease in Missouri.

High tunnel workshop offered in St. Peters

ST. PETERS, Mo. – A high tunnel workshop will be held 9 a.m. to 4:30 p.m. Saturday, Feb. 24, at the University of Missouri Extension Center in St. Charles County, 260 Brown Road, St. Peters.

Hitchhiking spotted lanternfly could become problem in Missouri

COLUMBIA, Mo. – An exotic pest that hitchhikes on train cars, trucks and boats could suck the life out Missouri crops.

Hitchhiking spotted lanternfly threatens state's wine industry

The spotted lanternfly is a threat to Missouri’s wine industry, hitchhiking on vehicles and posing risks to grape production and tourism.

Hostas: Emperors of the Shade

Discover hostas, hardy perennials that thrive in shade, offering diverse foliage, fragrant blooms, and easy care for any garden.

How to help your trees recover from drought

COLUMBIA, Mo. – Dry soil conditions can significantly reduce the life span of valuable landscape trees. “Because they are difficult and expensive to replace, your trees need attention during and after periods of drought,” says University of Missouri Extension state forestry specialist Hank Stelzer.

Joro spiders are nothing to worry about – yet

Joro spiders aren’t yet in Missouri and pose little threat, though their range may expand northward in the future.

Keep the bedbugs at bay

Learn how to prevent and manage bedbug infestations with practical tips for detection, treatment, and long-term control strategies.

Lingering effects of recent cicada emergence

Recent cicadas caused twig damage on trees and shrubs, but their decay benefits soil and wildlife.

Master Gardener training begins Feb. 26 in Hillsboro

HILLSBORO, Mo. – University of Missouri Extension in Jefferson County will hold Master Gardener classes Monday evenings at Jefferson College’s Hillsboro campus. Weekly classes will be 6:30-9:30 p.m., Feb. 26 to May 7, said MU Extension horticulturist Debi Kelly.

Mosquitoes can take a bite out of outdoor fun

BLUE SPRINGS, Mo. - With summer rain come mosquitoes, and with mosquitoes come not just itchy bites but the risk of diseases such as West Nile virus, St. Louis encephalitis, malaria, Zika virus and yellow fever, among others, says University of Missouri Extension horticulturist and entomologist…

MU Extension launches Crop & Pest text alert system

COLUMBIA, Mo. – Missouri farmers have a new tool to alert them to insects, crop diseases and other important information from University of Missouri Extension specialists.

MU Extension: Do not plant seeds you did not order

Warns people not to plant unsolicited seeds from abroad to avoid invasive pests, diseases, or viruses.

MU plant diagnostic clinic helps Amish producers in Clark

On-site crop health clinic at Clark Produce Auction offering Amish growers insect, disease diagnosis and tailored guidance.

MU Plant Diagnostic Clinic is now open

COLUMBIA, Mo. – Like humans, plants can get sick and need someone to diagnose their illnesses, says Peng Tian, the new lab director of the University of Missouri Plant Diagnostic Clinic.

New MU entomologist tells farmers about pests to watch for

PALMYRA, Mo. – “The genie’s out of the bottle” on the spotted lanternfly, University of Missouri Extension entomologist Kevin Rice told farmers Feb. 8 at the second annual NEMO Soils and Crop Conference in Palmyra.

No reports of spotted lanternfly in Missouri but vigilance urged

No spotted lanternfly detected in Missouri yet, but residents and growers are urged to stay vigilant and report sightings.

Practice good garden hygiene by sanitizing tools

COLUMBIA, Mo.– Just like surgeons and dentists, gardeners sho

Recommendations for thrips management in the Missouri Bootheel

2024 has not been an ideal year for thrips management due to the consistent overcast during the daytime hours. This restricts thrips movement, and in hand can increase injury. Hot and sunny conditions are ideal not because thrips are more active, but because cotton and growth development occur more…

Report mystery seeds to the Missouri Department of Agriculture

Report unsolicited seed packages to Missouri officials. Do not plant or open seeds and follow MDA guidance.

Sanitize tools for good garden hygiene

COLUMBIA, Mo.– Just like surgeons and dentists, gardeners sho

Say bah 'hum-bug' to uninvited tree pests

Holiday greenery may carry harmless insects from nature indoors—learn how tree farms, vacuuming, or removal can keep unwanted pests out.

Seal your home to keep insects from spending the winter with you

COLUMBIA, Mo. – You aren’t the only one getting cozy for fall. While you are pulling out the flannels, insects are looking for a place to be snug as a bug in a rug for the winter.

Spotted lanternfly knocking at Missouri's door

Spotted lanternfly may arrive in Missouri this summer, threatening grapes and vineyards—early detection and control are vital to protect industry.

Stink bugs try to find warm home for the winter

Brown marmorated stink bugs seek to overwinter indoors; prevent entry with caulking, screens, and vacuuming to reduce nuisance infestation.

This Valentine's Day, be a love bug

Show Missouri insects some love this Valentine's Day by supporting pollinators and reducing pesticide use.

Thousand cankers disease threatens Missouri walnut trees

COLUMBIA, Mo. – Missouri’s black walnut trees could be in trouble if thousand cankers disease (TCD) moves in from bordering Tennessee. TCD is a serious threat to one of the state’s most valuable hardwood species, says Hank Stelzer, University of Missouri Extension state forestry specialist.

Zombie bugs, creepy crawlers aren't just for Halloween

COLUMBIA, Mo. – For Halloween, University of Missouri Extension urban entomologist Emily Althoff celebrates the creepy qualities of some insects and fungi.
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