04/02/2026
These are boxelder bugs, and they’re starting to show up around homes in Cranbrook right now.
Even with the snow → sun → snow weather we’ve been having, these insects become active as soon as temperatures rise, even for short periods. They come out of overwintering and gather on warm, sunny surfaces like siding and foundations.
That’s why you’ll often see them clustered like this on one side of the house. They’re drawn to heat and will stay in those areas throughout the day.
Boxelder bugs are not harmful, but they can show up in large numbers. As activity increases outside, some may eventually make their way indoors through small gaps around the home.
This is a normal part of early spring in the Cranbrook area, even if winter doesn’t feel fully over yet.
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