Elm seed bugs are the latest invasive pest causing problems here in the United States. Common to central and southern Europe, it’s unclear how they arrived but at this point in time, they’re making their presence well known througout the mid west.
ELM SEED BUG INVASION! ^
The main problem with elm seed bugs is they can live a long time. In fact, most will live 3-5 years. This means they’ll have to migrate out of bad weather looking for a good place to live for winter. And it appears these migrations will happen in the late summer and fall. So like many other invasive pests, elm seed bugs will look for safe harborage amidst the cracks and crevices of natural structures. That means during their flight from bad weather, they’ll be finding our homes and other buildings on which to roost and nest. And once on the home, they’ll forage up under house siding, around gutters, facia boards, windows, door frames and roofing. Once in these voids, it’s only a matter of time before they’re found in living spaces.
ELM SEED BUG BIOLOGY ^
Elm seed bugs look a lot like BOXELDER BUGS. Their basic shape is the same but Elm Seed Bugs are tan or brown and Boxelder Bugs are red to orange. Elm seed bugs eat tree seeds and won’t pose a threat to the tree or plant from which the seed is dropped. Elm seed bugs grow through stages known as instars. These start very small and resemble adults but with shorter wings. They’ll hatch in the summer and after 1-2 months, reach maturity. Elm seed bugs are smaller than Boxelder bugs achieving lengths in the 1/4 to 3/8th inch range.
ELM SEED BUGS SMELL BAD
Like stink bugs, elm seed bugs will release a scent used to mark territories. These scents are used to mark good places to nest so once your home is identified as a good nest site, more seed bugs will find it year after year. Elm seed bugs will release this odor as a type of defense if handled. They don’t appear to pose a hazard to people or pets but their smell is obnoxious and persistent so avoid touching them.
HOW TO TREAT FOR ELM SEED BUGS ^
Elm seed bug control should be done outside the home once you identify them as being active in your yard. Seed bugs will readily roost in trees but are commonly found on the ground under the drip line of infected trees. Eggs and instars will thrive in the mulch or thatch laying on the ground and will develop well in these areas if left untreated. Basically anywhere tree seeds can fall elm seed bugs will target. For this reason, it’s best to get them in the yard on the ground before they start migrating onto and into your home.
BEST ELM SEED BUG LAWN SPRAY ^
When first found in the yard, treat the turf with MAXXTHOR GRANULES. Treat every 3 months to maintain the area and keep it seed bug free.
Apply 1.5 lbs of granules every 1,000 sq/ft so our small back can cover 7,500 sq/ft and the large bag, 16,500 sq/ft.
Treat once in the summer and once in the fall for long term control.
After applying the granules, spray all trees, shrubs and ground cover with MAXXTHOR EC. This active kills active bugs quickly and will repel them from the yard a month or longer.
Add 2.5 oz to our HOSE END SPRAYER and then fill it to the 5 gallon line. Attach it to your garden hose and then water it over 5,000 sq/ft.
In the fall, Elm Seed Bugs will start looking for a safe place to overwinter. This is when activity will be noted on the home around windows, doors and on the siding.
If given the chance, they’ll move into any crack or crevice they find. Typically they’ll be active on the home for 1-2 weeks and then they seem to disappear. But in most cases, this means they’ve moved under the siding and if that happens, you’ll start finding them inside.
To prevent an inside problem, spray the homes siding with Maxxthor EC but use it at the higher strength of 1 oz per gallon. You can use the hose end sprayer to apply it or a good PUMP SPRAYER.
ELM SEED BUG TREATMENTS FOR INSIDE THE HOME ^
Once in the home, elm seed bugs will be leaving their scent all over and making a mess. To control active populations, use FS MP AEROSOL. This active is fast working and highly irritating to elm seed bugs. Apply it along window tracks and other points of entry. Be prepared for bugs to get flushed out if you hit their nests.
Once in place, FS MP will repel them from using that area again for up to a month. Use the straw injector to direct the treatment into the cracks they like to use.
CONTACT US ^
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