16 small domestic insects with photos and names - identification guide (2023)


Finding small insects crawling or flying around your home can be a terrifying experience. However, noticing a small black bug may not be a cause for concern. Many species of house spiders, beetles or fruit flies are relatively harmless. However, small brown bugs, such as cockroaches, ants, or bedbugs scurrying around a baseboard or lurking in cracks, could be a sign of a larger bug infestation. Identifying common house bugs is the first step in knowing how to get rid of them.

Nobody wants bugs in the house. Some black or brown bed bugs, such as fleas, cockroaches, or bed bugs, can jump, bite, or transmit disease. Other types of common house bugs, such as some spiders or bed bugs, can cause an uncomfortable, painful bite or irritating skin reaction when stung. If you see flies around fruit or on meat, you may suddenly lose your appetite.

Many people refer to any type of creeping house pest as an insect. However, not all crawling or flying insects are true beetles (Orderhemípteros). For example, beetles aretype of insectin this orderBeetle. Cockroaches are brown insects in orderBlattodea. In this article, all types of insect pests are referred to as insects, whether they are real insects or not.

This article is a guide to identifying the most common types of bed bugs that can infest indoor spaces. Descriptions and pictures of bugs, cockroaches, spiders, fleas, flies and ticks will help you identify which nasty creatures might be lurking in your home.

How to recognize bed bugs

To accurately identify insects in your home, it's important to look at their size, shape, number of legs, and whether they have wings. For example, spiders, mites and ticks have eight legs and no antennae. Also, mites and ticks are so small that they can look like blackheads.

All insects have six legs and at least two antennae. To identify a cockroach or insect, you need to look at the shape of the body. Beetles are smaller insects with a harder body and are usually black "bugs". Cockroaches, on the other hand, are brown insects with long, thin antennae.

Types of bedbugs with photos: identification

After noticing a creature scurrying across the floor or spotting a cluster of small black bugs behind a bed, you probably want to know what kind of bug you're dealing with. Read on to find out how to identify the types of small house bugs.

cockroaches (Blattodea)

16 small domestic insects with photos and names - identification guide (1)

Common cockroach (German cockroach/german cockroach) on the left and American cockroach (american periplanet) On the right side

Cockroaches are small reddish-brown house insects with slender oval bodies, six legs and long antennae. common cockroaches (german cockroach) at home are 15 mm long. The biggest cockroaches (american periplanet) are wingless and grow to 75 mm in length. Cockroaches are common small household insects that hide in dark crevices, closets and behind furniture.

You can usually spot a cockroach after turning on a light or opening a closet door. Brown insects that move quickly flee from the light.

Cockroaches can get into apartments through ventilation devices, along pipes, bringing used items into the apartment, or hitchhiking with shopping bags. Oval brown beetles generally prefer dark, warm and humid places. However, getting rid of cockroaches is crucial as they can spread disease and contaminate food or utensils.

Some beetles, crickets, and water bugs look like cockroaches and are easily confused with these disease-carrying brown bugs.

Identification of bedbugs:Cockroaches can be recognized by their flat, oblong, oval, brown or black bodies, long, thin antennae, and their preference for dark places. Signs of a roach infestation include peppery droppings and a musty smell.

carpet beetle (anthrenus is a verb)

16 small domestic insects with photos and names - identification guide (2)

Carpet beetle (pictured above) and larva (pictured below)

Carpet beetles are small, oval-shaped domestic insects with an irregular pattern of brown, yellowish, and white spots, short antennae, and range in size from 1.7 to 3.5 mm. The round, flat, dark-colored insects have wings and can fly indoors. The carpet beetle lives four to eight weeks and can lay up to 90 eggs.

Carpet beetles are generally harmless household insects. But the real pests are their larvae. Brown fur beetle larvae feed on fibers such as wool, cotton, leather and silk. Brown beetle larvae chew holes in soft furniture such as clothing, rugs, and carpeting.

Identification of bedbugs:To identify the matbugs in your houseLook for small dark bugs with yellow and white spots that fly near lights or crawl on surfaces. The most common way to identify carpet beetles is by looking for chewed holes in fabric and the brown skin shed by carpet beetle larvae.

Be crazy (be crazy)

16 small domestic insects with photos and names - identification guide (3)

Left image: Brown recluse spider. Right image: black widow spider

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Spiders are common household pests that come in all shapes and sizes. Spiders are generally easy to spot due to their eight thin legs, rounded body and lack of antennae. Brown or black house spiders can be hairy or smooth-bodied and can be up to 20 mm long.

Identifying spiders in the home is crucial as some can be dangerous. TwoTypes of Harmful SpidersThey are the brown recluse and the black widow. Violin-shaped markings identify the brown recluse on the front of its body. Black widows are identified by distinctive red markings on a glossy black body.

However, most house spiders are not considered annoying insects. Common house spiders can be beneficial when feedingFlies that can infest your plants.

Identification of bedbugs:Spiders are identified by their eight legs, the type of web they form, and the markings on their bodies.

house flies (housefly)

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Houseflies (Musca domestica) are common insects that can cause infestation in large numbers.

Houseflies are a common flying black houseInsects with a dark gray body, transparent wings, six legs, two large compound eyes, and 0.15" to 0.29" (4 - 7.5 mm) in length. Although they don't bite, black-gray flies transmit disease by feeding on garbage, spoiled food and feces.

If you see these little black flies in your home, you should kill them to prevent them from spreading bacteria. FORGet rid of house flies, identify the areas wheresmall black insectsThey lay their eggs. It could be a trash can, open pet food, or anything else rotten. You must then eliminate the flies and their eggs to prevent them from infesting your home.

Identification of bedbugs:Houseflies can be identified by their small, dark gray body, a large pair of eyes, and their tendency to fly erratically and buzz around lights or windows.

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weevil (Curculionoidea)

16 small domestic insects with photos and names - identification guide (5)

Weevils are small black insects that can easily infest food in your home.

Weevils are an elegant black houseBugs that easily infest unsealed food in your pantry. Weevils are small black beetles with a characteristic long snout and pear-shaped body. the little black dressbedbugsMeasures up to 0.23 inches (6 mm) in length. Black bugs do not bite, but they can contaminate food with their droppings.

You can usually find long black bugs crawling on walls and window frames. You can usually use a vacuum cleaner to get rid of pesky bugs. Suppose you see a bunch of glossy black bugs in your house. When this happens, it's important to give your kitchen a thorough cleaning and inspect all open foods for black bugs.

Identification of bedbugs:Weevils can be identified by their shiny black oval body, long snout and long black antennae.

garbage error (Chrysopidae)

16 small domestic insects with photos and names - identification guide (6)

Trash bugs look unusual and ugly when useddebris as camouflage

Junk bugs are strange brown insects with triangular bodies, yellow markings and brown heads. Garbage bugs are the larval stage of green lacewings. The brown, insect-like larvae have horn-like mouthparts that they use to kill their prey. However, their sharp jaws can also deliver a nasty bite that causes redness and swelling of the skin.

Garbage bugs can be difficult to spot because they have an interesting way of disguising themselves. The ugly brown bugs keep their dead prey and debris on their back so ants and birds of prey don't notice them.

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Green lacewings are beneficial insectswhich can help control the numbercommon garden pests.

Identification of bedbugs:Garbage bugs can be identified by their brown bodies, six legs, and tufts of yellowish spines on the sides of their abdomens.


16 small domestic insects with photos and names - identification guide (7)

Millipedes are long, frightening house insects that can be identified by their numerous pairs of legs.

Millipedes are long, slender household insects with several pairs of legs, two long antennae, and a pair of tails. Centipedes are venomous, but they usually don't bite. When they do bite, the bite can range from barely noticeable to very painful in the area of ​​pain.

Centipedes range in size from a few millimeters to 30 cm in length. You can usually find centipedes in dark, secluded areas, and they usually come out at night.

Centipedes are common in homes with damp problems. You might find them under sinks, bathrooms, or damp basements. However, these long, multi-legged insects rarely infest a home, but tend to be a nuisance.

Ways to get rid of house centipedes include killing the insects and preventing them from entering the home.

Identification of bedbugs:Centipedes are easy to spot because of the numerous pairs of legs along their long, slender bodies. Some centipedes can have from 55 to 117 pairs of legs.

bedbugs (Halyomorpha halys)

16 small domestic insects with photos and names - identification guide (8)

Bed bugs are flat household insects that emit an unpleasant odor when crushed.

Bedbugs are brown beetles with a flat, shield-shaped body. Bedbugs have a mottled brown body, two straight antennae, and dark bands on the forewings. Helittle brown bugsThey are 1.7 cm long and wide. They also emit a characteristic unpleasant odor, especially when crushed.

These brown, shield-shaped insects are relatively harmless to humans. Insects enter houses in the fall through open windows or doors and hibernate in attics or basements. Bed bugs are most active in the spring when their rancid smell is strongest.

Identification of bedbugs:Bedbugs have a distinctive brown body with a marbled pattern, six legs, and two dark antennae with white spots. On their recognizable shield-shaped body, they have black bands along the edge of their abdomen.


16 small domestic insects with photos and names - identification guide (9)

Beetles are flying insects that infest homes and can damage wood or fabric.

Beetles are small insects that come in all shapes and sizes. All beetles can be recognized by their cupped forewings, six legs and round head. SomeBeetles can be black, and the small black bugs can look like fleas. Other insects can be colored with iridescent green colors.

Although beetles are useful insects for controlling houseplant pests, they can wreak havoc in the home. Some insect species can eat through fabric or wood, or contaminate food. others againBeetle species such as the ladybirdThey are ideal for feeding harmful garden pests such as aphids.

Identification of bedbugs:There are over 400,000 species of beetles, making it difficult to identify each one. Like all insects, these flying insects have six legs and two antennae.

silverfish (Lepisma saccharina)

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Silverfish is a frightening insect that is commonly found in damp places in the home.

The silverfish is a wingless, silvery-grey insect with long antennae that slithers over house floors in damp places. The name "silverfish" is an accurate description of this pest. The insect has a silvery appearance and moves like a fish as it quickly walks across the ground. Silverfish are between 12 and 25 mm long.

Silverfish are a common bug in bathrooms, damp attics and showers. If excessive moisture is a problem, you can usually find the silver bug under bathtubs, sinks and kitchen units. Lowering humidity levels, fixing leaks, and placing sticky traps are generally methods of getting rid of pesky silver bugs.

Identification of bedbugs:Silverfish have a slender, silvery body that tapers towards the end of the tail. With their fish-like movement, silvery scales and long antennae, moths are easy to spot as they move across tile surfaces.

ants (ants)

16 small domestic insects with photos and names - identification guide (11)

A group of black ants (left) and red ants (right)

Ants are small insects with slender bodies and can be a nuisance in the home. Ants usually have identifiable pinched areas between their heads, thorax and abdomen. They usually have curved antennae and always have six legs. Ants tend to move in characteristic lines, one following the other.

If youWatch the ants in your home, it is crucial to identify the species. Fire ants are, for example,little red bugswhich can cause a painful bite. Common black ants tend to nest in outdoor colonies. However, carpenter ants nest in wood and can be difficult to control. Ants are also some of the mosttypical kitchen mistakes.

The best way to prevent ants is to keep food closed, remove household garbage, fix leaky faucets, and make sure water isn't dripping under sinks.

Identification of bedbugs:Although ants are small black or brown insects, their round bodies and thin waists make them easy to spot.

Types of bedbugs with photos: identification

fleas (siphonaptero)

16 small domestic insects with photos and names - identification guide (12)

A close-up of a flea (optical microscope with 35x zoom)

Fleas are small, brown, biting insects, 1 to 4 mm long. Fleas are so small that the first sign of the pesky buggers is red, itchy bumps on the skin caused by flea bites. Or you may see signs of fleas if your pets scratch themselves excessively.

Close-up photos of the tiny brown bugs reveal that they have long legs in relation to their bodies. Black or brown wingless insects are difficult to catch as they jump great distances. This makes getting rid of fleas in your home particularly difficult. A flea is more than just a pesky insect that causes an itchy rash - it can carry disease.

Identification of bedbugs:Fleas are identified as small black or brown insects about half the size of a grain of rice. Flea bites look like itchy red dots on the skin and can be difficult to distinguish from bed bug bites.

bedbugs (Cimex)

16 small domestic insects with photos and names - identification guide (13)

Tiny brown beetles are flat-bodied and can quickly infest your home.

Bed bugs are small brown insects with flat, oval bodies about the size of an apple seed. The tiny brown bugs are 0.16" to 0.2" (4 to 5 mm) long. The nasty bugs bite people and cause itchy hands, feet, neck or face.

Bed bugs look like fleas or ticks and can quickly infest a home. Because small house bugs can survive two months without food and hide in mattresses, behind baseboards and cracks, getting rid of them is a challenge.

Identification of bedbugs:Bed bugs are identified as small brown creatures with flat oval bodies and small heads.

release flies (Psychodidae)

16 small domestic insects with photos and names - identification guide (14)

Sewer flies are small flying insects with a brown, furry appearance.

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Sewer flies are small, brown, furry-looking flying house insects, growing from 0.06" to 0.2" (1.5 - 5 mm) in length. As the name suggests, sewer flies are common pests in bathrooms, near sinks, drains, sewers or basements. Adults lay eggs in stagnant water and small flies hatch from drains.

Although incredibly annoying, the tiny flying insects are harmless. To get rid of flies, it's important to eliminate breeding sites by removing all organic material from drains. Drain fly larvae look like long, flat cylinders.

Identification of bedbugs:Drain flies are identified as small, furry brown flies that fly near drains and sinks in kitchens and bathrooms, especially at night.

fruit flies (Drosophila melanogaster)

16 small domestic insects with photos and names - identification guide (15)

Fruit flies are small brown house bugs that are particularly fond of rotten sweet fruit.

Fruit flies look like little brown gnats and hover over fermenting or rotting fruit. Adult fruit flies are up to 2.5 mm long, have a brown body and red eyes. However, the tiny house bugs are so small that you probably won't see their wings or eyes.

Fruit flies are common wherever fermentation of food, especially sweet food, is allowed. Adult flies lay eggs on rotten fruit or other organic material, laying up to 500 eggs a week. To avoid fruit fly problems, store perishable foods in the refrigerator, cover the trash can, and clean the drains regularly.

These tiny flies are easily confused with fungus gnats. However, fungus gnats usually fly around infested plants, not rotting or rotting fruit.

Identification of bedbugs:are fruit fliessmall flying insectsThey are easy to spot because they look like little brown flies that hover near garbage, spoiled food, or empty bottles.

ticks (En Ikhodi)

16 small domestic insects with photos and names - identification guide (16)

Close-up of a tick (left) and a tick on human skin (right)

Ticks are parasitic insects that can become a problem in the home when introduced by pets. A tick is about the size of a sunflower seed and usually has a black or brown body. The tiny insects swell as they burrow into the skin to feed on blood. Ticks are about 5 mm long, but can grow to 15 mm when feeding on blood.

Ticks can transmit diseases. So if you notice a tick buried in your skin, it's important to remove it properly and see a doctor.

Identification of bedbugs:Ticks are identified as small, teardrop-shaped insects with a black or tan body and eight legs.

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