Penn State Pesticide
@PSUpested
We are committed to promoting the safe and legal use of pesticide products through education to applicators, users and consumers.
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While many insects go dormant in winter, wood boring beetles can continue slowly chomping through your home. Call a pest control company if you find tiny holes and fine powder or sawdust in furniture or structural timber. Find more info here: buff.ly/lVyLBop
Mice and rats looking for warmer places will move into buildings if they can. Mice can squeeze into cracks 1/4 inch wide and rats into an opening half inch wide. Keep them out by closing up gaps under doors and other openings. More info here: buff.ly/bVTLKKZ
Just in time for Halloween, a deadly fungus infects a house fly, causing it to grip its perch and die. Fungal spores then erupt from its back, raining down zombifying spores. Watch the action: buff.ly/SLzedw6
Cleaning up leaves from you lawn is an important task in the fall of the year. Fallen leaves can smother your lawn and fuel fires. Rake them up to keep grass healthy and reduce fire risk-especially near buildings or wooded areas.
After a hot, dry PA summer, your lawn’s probably begging for help. September can be the perfect time to overseed, aerate & feed it back to life. Cooler temps + fall rains = prime recovery season. Let’s get that green back.
Seasonal home invaders like stink bugs, seed bugs, boxelder bugs, and Asian lady beetles have begun to migrate to winter refuges, including buildings. Keep them out by sealing up places they use to enter or by hiring a pest control company to treat potential entry points.
As summer rolls into fall, yellowjackets can be at their most bothersome. Minimize encounters at picnics and barbecues by keeping food and trash covered as much as possible and promptly cleaning up any messes.
Join Penn State's Pesticide Education program at Ag Progress Days – Pennsylvania’s premier outdoor agricultural event! This event will continue on Wednesday and Thursday, August 13 and 14th. Explore the latest in ag research, equipment, and innovation.
🚨 It's time! ⏰ If you're planning pre-emergence grub control, now's the window to apply. Pre-emergent grub products like work best before grubs hatch—typically late June to early July in many areas. Irrigating after applying is crucial.
The emergence of 17-year cicadas may be loud—but the real damage comes after. Females lay eggs in small tree limbs, causing “flagging” (wilting or breakage). Young trees are most vulnerable.
While bees are the best-known pollinators, other insects can also be effective pollinators, like this swallowtail butterfly pollinating common milkweed. Maintaining a diversity of native flowering plants helps most pollinators. Video by Jamie Kopco
Raising your mowing height during extreme heat helps protect your lawn!.Taller grass shades the soil, reduces moisture loss, and promotes deeper roots. Stay cool and mow smart. Mowing the grass too short can harm your turfgrass during extreme heat and drought.
Many insects and relatives can invade homes throughout the summer, especially if the weather goes to extremes of temperature or moisture. While they are a nuisance, they generally are not harmful and will not survive for long indoors.
Prickly lettuce has spines under its leaves & produces a milky sap—easy to ID. Mature plants are tough to pull due to a deep taproot. Clip back now to stop seed spread, and plan to monitor for new growth next year.
With all our recent rain, mosquito populations are running strong now. Minimize bites by steering clear of shady, still-air mosquito habitats, wearing long pants or long sleeves, using repellents, and eliminating still-water breeding habitats like this flower pot drain tray.
Weed control By this point in the spring, most of the weeds have germinated and begun to grow. Now is the time to control them. Use good weed and feed products, and remember to withhold mowing and irrigation for at least 24 hours to allow the product to work.
As the weather finally starts to warm up, it's time to think about pre-emergent crabgrass control. The rule of thumb is that if any yellow flowers are left on the forsythia bushes in your area, you still have time to put down pre-emergent crabgrass control.
Start of Season – IPM With spring right around the corner, beware of broad-spectrum products for your home lawns and ornamental beds. Purchasing products ahead of time or applying them before pests are present is not always the best plan. You may be harming beneficial insects.
Weed of the Month - Grape Hyacinth Grape hyacinth may be a popular garden plant for its colorful blooms in early spring. However, this perennial plant can become invasive if not managed. This plant can even be considered a weed in wheat and soybean production.
As spring approaches, it's time to plan your garden! Start with pest management by using pest-free inputs like weed-free mulch and disease-free plants. Remember last year's pests and stay ready to scout for them this season!
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