Carpenter Ant: These large black ants are especially active in warm, humid weather. They are attracted to moist or decaying wood, which is more common in summer due to rain and humidity. Carpenter ants don’t eat wood but tunnel through it to build their nests, which can weaken wooden structures in homes. Their presence is often noticed by piles of sawdust-like material called frass. July’s warmth accelerates their breeding and foraging, making them more visible indoors and outdoors.

Black Rat: Also known as roof rats, these rodents are agile climbers and often enter homes through attics or upper floors. They are more active in summer as they search for food and nesting sites. Black rats are attracted to gardens, fruit trees, and garbage, all of which are abundant in July. Their activity increases as they seek cooler indoor spaces and water sources during hot weather. They can spread diseases and cause damage by gnawing on wires and insulation.

Yellowjacket Wasp: These aggressive wasps are highly active in July, building nests underground, in wall voids, or in trees. They are attracted to sugary foods and drinks, which are more available during outdoor summer activities. Yellowjackets become more noticeable as their colonies grow larger in midsummer. Their stings are painful and can be dangerous for people with allergies. The warm weather speeds up their life cycle, leading to increased numbers and encounters.

Eastern Subterranean Termite: These termites are most active in warm, moist conditions, which are typical in July. They live underground and build mud tubes to access wood in homes and other structures. Termites feed on cellulose in wood, causing significant structural damage over time. Swarming, when winged termites leave the colony to start new ones, often occurs in summer. The high humidity and heat help them thrive and expand their colonies.

Deer Tick (Blacklegged Tick): Ticks are most prevalent in grassy, wooded, or brushy areas during summer. July is peak season for deer ticks, which can transmit Lyme disease to humans and pets. They are more active in warm, humid weather and latch onto hosts passing through tall grass or leaf litter. Their numbers increase as wildlife and people spend more time outdoors. Ticks require blood meals to develop and reproduce, making them persistent in seeking hosts during this time.

Boxelder Bug: These black and red bugs are often seen in large numbers on sunny sides of buildings and trees in July. They feed on seeds and leaves of boxelder and maple trees, which are plentiful in summer. Boxelder bugs are not harmful to humans but can become a nuisance when they gather in large groups. Warm weather encourages their breeding and movement, making them more visible around homes and gardens. They may enter buildings seeking shelter from the heat.

Earwig: Earwigs are slender, dark brown insects with pincers at the end of their bodies. They are most active at night and hide in cool, damp places during the day, such as under rocks, mulch, or garden debris. July’s heat and humidity create ideal conditions for earwigs to thrive. They feed on decaying plant material, other insects, and sometimes garden plants. Their populations peak in midsummer, making them more likely to be found indoors or in gardens.