7 Common Household Pests & How To Prevent Them

Have you ever caught ants marching across the kitchen or cockroaches scurrying in the bathroom? Pest infestations can be a major headache for homeowners, posing health risks and causing costly damage. Understanding common household bugs and how to prevent them is key to keeping your space clean and pest-free. This guide highlights the most frequent invaders, offers practical prevention tips, and explains how professional pest control services provide lasting protection.

Cockroaches are among the most resilient pests, thriving in warm, humid environments. They carry bacteria, contaminate food, and can trigger allergies and asthma.

Signs of an Infestation

• Droppings resembling black pepper or coffee grounds
• A musty odour in infested areas
• Shed skins or egg cases
• Sightings at night in kitchens and bathrooms

Prevention Tips

• Store food properly and take out the trash regularly
• Eliminate excess moisture by fixing leaks
• Seal cracks and gaps in walls, floors, and plumbing
• Keep pet food and water dishes clean

Because cockroaches reproduce quickly, professional residential pest control is often required for effective treatment and prevention.

Termites are one of the most destructive household pests, causing extensive damage to wooden structures, flooring, and furniture. If left untreated, a termite infestation can result in thousands of dollars in repairs.

Signs of an Infestation

• Hollow-sounding wood
• Mud tubes along walls or foundations
• Discarded wings from swarming termites
• Small piles of wood dust near wooden structures

Prevention Tips

• Schedule regular termite inspections
• Remove wood debris and mulch from around the home
• Keep gutters and drainage systems clear to prevent excess moisture
• Install physical or chemical termite barriers

Rodents can spread diseases, contaminate food, and cause damage by gnawing on wires, insulation, and furniture. Their rapid reproduction makes early detection and control essential.

Signs of an Infestation

• Droppings in pantries, drawers, or under sinks
• Scratching noises in walls or ceilings
• Gnawed food packaging or electrical wiring
• Nesting materials (shredded paper, fabric, or insulation)

Prevention Tips

• Keep food stored in sealed containers
• Seal holes and gaps in walls, doors, and floors
• Maintain clean, clutter-free spaces
• Trim tree branches near the home to prevent roof access



A professional pest control service can identify and eliminate rodent infestations while implementing long-term prevention measures.

Mosquitoes are more than just a nuisance—they can transmit diseases such as the Ross River virus and dengue fever. They thrive in Darwin’s humid climate and breed in standing water.

Signs of an Infestation

• Increased mosquito activity at dawn and dusk
• Itchy bites on exposed skin
• Larvae or pupae in stagnant water sources

Prevention Tips

• Eliminate standing water in pots, drains, and birdbaths
• Install fly screens on windows and doors
• Use insect repellent and wear protective clothing outdoors
• Maintain lawns and gardens to reduce breeding areas



Residential pest control in Darwin can provide targeted treatments to control mosquito populations and prevent infestations.

While most spiders are harmless, species like the redback spider can pose a danger to humans. Spiders often hide in dark corners, sheds, and garages, making them difficult to spot.

Signs of an Infestation

• Spider webs in corners, ceilings, and outdoor areas
• Egg sacs in undisturbed spaces
• Increased presence of insects (which attract spiders)

Prevention Tips

• Keep clutter to a minimum in storage areas
• Seal gaps in windows, doors, and vents
• Reduce outdoor lighting to minimise insect attraction
• Use spider repellents or traps



Professional residential pest control services can safely eliminate spiders and their nests, reducing the risk of bites and infestations.

Silverfish thrive in dark, humid environments and are known for damaging books, clothing, wallpaper, and stored food. They are not dangerous to humans but can cause property damage.

Signs of an Infestation

• Small holes in fabric, paper, or wallpaper
• Yellow stains or scales near hiding spots
• Silverfish sightings in bathrooms, basements, or attics

Prevention Tips

• Reduce humidity by using dehumidifiers and fans
• Store important documents and clothing in sealed containers
• Seal cracks and crevices where silverfish may hide
• Vacuum regularly to remove food particles and eggs



A pest control professional can apply targeted treatments to eliminate silverfish and prevent further damage.

At Territory Pest Control, we provide residential pest control in Darwin, using industry-leading techniques to eliminate common household pests and protect homes year-round. Our expert team offers tailored pest management solutions, ensuring a safe, pest-free environment for homeowners.

For reliable residential pest control services, contact us today and safeguard your home against unwanted pests.