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Overview of winter survival strategies of insects
When the cold weather rolls in, bears go into hibernation, birds migrate south and we, as humans, layer up and relax by the fire to stay warm throughout the winter months. But, what happens to pests like ants, mosquitoes and termites? Many people assume they just die off, but the truth is that these and other insects often devise strategies to make it through the winter. Learn more about how specific pests survive the harsh elements below.
Ants
It’s not all that often you see an army of ants marching across the kitchen counter in the dead of winter. However, that doesn’t mean they aren’t nearby. Ants are very successful at overwintering in the great outdoors, including our own yards. During the fall months, they indulge in vast amounts of food with the goal of putting on fat to survive for weeks on end without eating. As the winter chill arrives, their body temperature – and productivity – significantly decreases, so they seal up their colony and hunker down in deep soil or under rocks until spring has sprung. Once the temperature rises, ants will emerge from their overwintering sites, full of energy and ready to crash the next backyard barbecue.
Bed Bugs
Bed bugs can withstand temperatures from nearly freezing to 50 degrees Celsius, which makes controlling them extremely difficult. However, they often succumb after a few days of exposure to temperatures below 0 degrees Celsius. The bad news is our homes provide the perfect habitat for bed bugs to survive during the winter months.
Cockroaches
Cockroaches have been around for millions of years, evolving into some of the most adaptable creatures in the world. But, are they able to survive the cold weather? Generally speaking, most types of cockroaches can survive year-round, as long as they have easy access to a warm, moist environment. The German cockroach, for example, prefers an indoor humid habitat close to food and moisture sources. As such, this species often makes itself quite comfortable in residential kitchens and bathrooms, especially during the winter months. The American cockroach, on the other hand, will live outdoors in warmer climates. Once the temperature dips, this type of cockroach will mass migrate into homes or larger commercial buildings such as restaurants, grocery stores, food processing plants and hospitals.
Mosquitoes
Encountering mosquitoes – and those itchy, red mosquito bites – is inevitable when spending time outdoors during the summer months. But, you might be surprised to find out that mosquitoes don’t fall away when Old Man Winter moves in. Contrary to popular belief, these biting insects overwinter, or hibernate, in protected places like hollow logs. As the weather conditions improve, female mosquitoes awaken and seek out a blood source to feed and begin developing eggs.