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bugs and bees - Boxelder and ground bees #858527

Asked February 05, 2024, 11:06 AM EST

Good morning, We've noticed an increase in boxelder bugs (we have a nice white house with great sun exposure) over the past 2-3 years. We've tried to keep leaves away from the house so they have fewer places to nest. However, it seems like they come back in greater numbers each year. Our neighbors do have a nice leaf compost pile right beside our driveway. Perhaps that is a source of nesting? We're wondering if you have suggestions for long-term control? We've used flying insect spray but that just targets the ones on the outside of the house. They continue to reappear and we usually have 1-2 inside the house on most days in random areas. We've tried to identify where they are entering, but would really love to get rid of them on the outside to prevent their entry into the house. We contacted an exterminator but it felt like they'd just do the same thing...spray those that are outside (as well as any other insect). We don't want to keep all bugs/spiders, just help control the boxelder population. Do you have suggestions for treatment and prevention? Also, we have a nest of ground bees (not carpenter bees...not as big or with black bottoms). How should we treat them? They're right by our driveway and make it hard to play outside for fear of being stung.

Franklin County Ohio

Expert Response

Good morning, and thank you for your question.  It is possible they are overwintering near your neighbors compost.  

Do you have boxelder trees on your property?  Host tree removal would be one long term solution to having boxelder bugs gather on your home.  Or at least treating the trees if you do not wish to remove them.  

Unfortunately, with host plants nearby, they will continue to gather on your home.  The best way to keep them outside, is to ensure that window and doors are in good repair. A vacuum makes a great alternative to pesticides if populations numbers are small.  Here is a factsheet for your reference:  https://ohioline.osu.edu/factsheet/HYG-2106

For your ground nesting bees, control is usually not warranted.  They are not aggressive and do not sting unless provoked.  They prefer open areas to start their nests, you could always add planting or place mulch and/or sand as a preventive barrier. Here is another factsheet for your reference:  https://ohioline.osu.edu/factsheet/HYG-2143-10

Have a great day. 
Jennifer Andon Replied February 06, 2024, 10:35 AM EST

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