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Common Pests for Each Season in NH

Common Pests for Each Season in NH

The Most Common Pests for Each Season in NH

Did you know New Hampshire is one of the top states for ticks and tick-borne diseases during the summer months? Pests like these can be a big problem for homeowners in New Hampshire, no matter what season it is.

When insects and animals invade your living space, they become pests that pose health risks to you and your family. Pests can carry diseases, and some can even cause damage to your home.

You can save yourself a lot of frustration if you are aware of insects and animals most likely to invade your home each season. You can take steps to prevent them from coming inside. Keep reading to learn about the most common seasonal pests for each season in New Hampshire.

Spring and Summer Pests

Warm weather means more insects, which can mean more pests in and around your home. Some of the most common problems to watch out for in spring and summer include:


Ticks are common summer pests in New Hampshire. New Hampshire had over 13,000 tick-related diseases between 2004 and 2016. Ticks can transmit Lyme disease, so it’s essential to be vigilant about preventing them from entering your home with seasonal pest control.

Common Pests for Each Season in NH, ticks

Black Flies

Black fly season begins in mid to late May and lasts until July. They breed near running water, so if your home is next to a river, lake, or stream, you may be more likely to have a black fly problem. They bite humans and animals and can cause itching, irritation, and swelling. 

Common Pests for Each Season in NH, black flies

Carpenter Ants

Another typical summer pest is carpenter ants. These ants damage wood by hollowing it out to build their nests. They are attracted to damp, rotted wood, so be sure to repair any water damage in your home to prevent an infestation.

Common Pests for Each Season in NH, carpenter ants


The most common bees we encounter are honey bees, bumble bees and carpenter bees. They are the most active in spring due to the warmer weather and blooming flowers. They remain active through the summer and into the early fall as they are not out and about when the cooler temperatures set in.

Common Pests for Each Season in NH, bees


Termites are another type of insect that can damage wood in your home. These pests are most active in the spring and summer months. If you see termites in your home, call a pest control service to have them removed. You must know that they can quickly damage a home’s and commercial building’s structure.

Common Pests for Each Season in NH, termites


These nasty little nuisance insects are most active in spring, summer and early fall. As the winter approaches and temperatures drop, many cockroaches go into hibernation, a state of dormancy called diapause. As for being dangerous, cockroaches can trigger asthma and carry bacteria that can cause illness when it gets on food.

Common Pests for Each Season in NH, cockroaches

Fall and Winter Pests

As the weather gets colder, some insects and rodents will look for a warm place to spend the winter. Some of the most common pests to watch out for in fall and winter include:

Stink Bugs

The green and brown marmorated stink bug is the most common of the thirty different types in New Hampshire. They make their way into homes and buildings in the fall, looking for a warm place to reside. Once they find their space, they release pheromones that attract other stink bugs to the same area.

Common Pests for Each Season in NH, stink bugs

Western Conifer Seed Bug

The western conifer seed bug is a type of insect that feeds on the seeds of coniferous trees. These bugs typically enter homes in the fall to overwinter. They do not bite or sting humans but can be a nuisance.

Common Pests for Each Season in NH, conifer seed bug


Mice are common winter pests. They can enter your home through small openings and cracks in the foundation or exterior walls. Unfortunately, they can bring other unwanted visitors like fleas, ticks, and lice. Mice can also carry diseases, so getting rid of them as soon as possible is crucial if you see them in your home.

Common Pests for Each Season in NH, mice

Asian Ladybugs or Ladybeetles

These little insects invade homes during the colder months in search of a warm place to overwinter. Asian ladybugs can bite humans, and they can also release foul-smelling fluid when disturbed.

Common Pests for Each Season in NH, ladybugs and ladybeetles

Know the Pests for Each Season

A good pest control service that can help you get rid of pests no matter what time of year it is. A pest control company can identify the type of pest causing problems and will know the best way to get rid of it.

If you have a pest problem, contact a professional pest control company to remove pests each season! Don’t wait until it gets out of hand. Call Garfield Pest Control for a free estimate