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Common Household Pests
Common Household Invaders
Below is a categorized overview of various pests, including brief descriptions of their appearance and key facts you should know. Each profile highlights what the pest looks like, its typical behaviors, potential risks, and management tips. I've included colored photographs where relevant to help with visual identification.
Ants
Ants are small insects, typically 1/16 to 1/2 inch long, with a segmented body divided into head, thorax,
and abdomen, six legs, and elbowed antennae. They vary in color from black to red or brown. These
social insects often invade homes in search of food and water, forming long trails. Some species bite or
sting, and they can contaminate food sources. Seal entry points and keep counters clean to deter them.
Cockroaches
Cockroaches are flat, oval-shaped insects ranging from 1/2 to 2 inches long, with long antennae, spiny legs, and a reddish-brown to black coloration. They have a distinctive musty odor. Nocturnal and fast-moving,
they thrive in warm, moist areas like kitchens and bathrooms, spreading bacteria and triggering
allergies. Keep areas clean and fix leaks to prevent infestations.
FLIES
House flies are about 1/4 inch long, with gray or black bodies, large red eyes, and transparent wings. They have sponging mouthparts that let them feed on liquids. Common around garbage and food, they can transmit diseases like Salmonella. Use window screens and proper waste management to reduce their presence.
MICE
Mice are small rodents, 2-4 inches long (excluding tail), with gray or brown fur, large ears, and pointed snouts. Their tails are long and scaly. They are nocturnal nibblers that contaminate food and spread diseases like hantavirus through droppings. Seal holes and use traps to control them.
Rats
Rats are larger rodents, 7-9 inches long (body), with brown or gray fur, blunt snouts, and hairless tails longer than their bodies. They gnaw on structures and wires, posing fire risks, and carry diseases like leptospirosis. Secure food storage and eliminate nesting sites.
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