5 things you didn't know about Boxelder insects, and how to get rid of them As the weather cools in the fall, Boxelder insects begin to be terrible in our homes across the country. Make your home an area free of boxelder insects this winter with these tips by forgetting them and keeping them out. 1. Boxelder insects love Boxelder trees of the same name. 2. Boxelder insects love to hang out in warm and sunny spaces. 3. They release an undetectable chemical for humans but that attracts their black and red friends. 4. When they crush, their smelly oranges can seep and leave stains on the walls, carpets and floors. 5. They have developed a resistance to pesticides. To get rid of them inside your home, vacuum them or use a soap and water spray.