Here is the list of some of the most common household pets all around the world. You can see these pests everyday and sometimes will get mad or frustrated due to the bad things they are doing inside your home. They can make you itchy, destroy your furniture, spoil your foods, and do a lot of bad things inside your home. See the list of pests below in alphabetical order.

LIST: 40+ Common Household pests worldwide

1. The almond moth or tropical warehouse moth is a small, stored-product pest. Almond moths infest flour, bran, oats, and other grains, as well as dried fruits. It belongs to the family of snout moths, and more specifically to the tribe Phycitini of the huge snout moth subfamily Phycitinae.
Scientific name: Cadra cautella
Phylum: Arthropoda
Higher classification: Cadra
Order: Lepidoptera
Rank: Species
Family: Pyralidae

2. Blattidae is a cockroach family in the order Blattodea containing several of the most common household cockroaches.
Scientific name: Blattidae
Higher classification: Blattodea
Phylum: Arthropoda
Order: Blattodea
Rank: Family

3. The Argentine ant, formerly Iridomyrmex humilis, is an ant native to northern Argentina, Uruguay, Paraguay, Bolivia and southern Brazil.
Scientific name: Linepithema humile
Class: Insecta
Higher classification: Linepithema
Order: Hymenopterans
Phylum: Arthropoda
Rank: Species

4. Bed bugs are insects from the genus Cimex that feed on human blood, usually at night. Their bites can result in a number of health impacts including skin rashes, psychological effects, and allergic symptoms. Bed bug bites may lead to skin changes ranging from invisible to small areas of redness to prominent blisters.
Other names: Cimicosis, bed bug bites, bedbugs, bed bug infestation
Treatment: Symptomatic, bed bug eradication
Causes: Cimex (primarily Cimex lectularius and Cimex hemipterus)
Medication: Antihistamines, corticosteroids
Symptoms: None to prominent blisters, itchy
Frequency: Relatively common
Risk factors: Travel, second-hand furnishings

5. The black rat, also known as ship rat, roof rat, or house rat—is a common long-tailed rodent of the stereotypical rat genus Rattus, in the subfamily Murinae. The black rat is black to light brown in colour with a lighter underside.
Lifespan: 12 months (In the wild)
Length: 32 – 46 cm (Adult)
Scientific name: Rattus rattus
Mass: 75 – 230 g (Adult)
Gestation period: 23 days
Tail length: 17 – 25 cm (Adult)

6. The Calliphoridae (bottle flies) are a family of insects in the order Diptera, with 1,200 known species. The maggot larvae, often used as fishing bait, are known as gentles.
Scientific name: Calliphoridae
Rank: Family
Higher classification: Oestroidea
Order: Fly
Phylum: Arthropoda

7. Hofmannophila pseudospretella, the brown house moth, is a species of the concealer moth family, wherein it belongs to subfamily Oecophorinae. It is the only known member of its genus Hofmannophila, and as is often the case for such monotypic taxa, the genus' distinctness remains to be conclusively proven.
Scientific name: Hofmannophila pseudospretella
Phylum: Arthropoda
Order: Lepidoptera
Higher classification: Hofmannophila
Rank: Species
Family: Oecophoridae

8. The brown rat, also known as the common rat, street rat, sewer rat, Hanover rat, Norway rat, Norwegian rat, Parisian rat, or wharf rat is a widespread species of common rat. One of the largest muroids, it is a brown or grey rodent with a head and body length of up to 28 cm long, and a tail slightly shorter than that.
Scientific name: Rattus norvegicus
Lifespan: 2 years (In the wild)
Mass: 230 g
Gestation period: 21 – 24 days
Class: Mammalia
Kingdom: Animalia

9. The brown-banded cockroach, Supella longipalpa is a small species of cockroach, measuring about 10 to 14 mm long and the most well-known in the genus Supella.
Scientific name: Supella longipalpa
Phylum: Arthropoda
Higher classification: Supella
Order: Blattodea
Rank: Species
Family: Ectobiidae

10. Carpenter ants are large ants indigenous to many forested parts of the world. They build nests inside wood consisting of galleries chewed out with their mandibles, preferably in dead, damp wood. However, unlike termites, they do not consume wood, discarding a material that resembles sawdust.
Scientific name: Camponotus
Class: Insecta
Family: Formicidae
Length: 0.64 – 2.5 cm
Kingdom: Animalia
Clutch size: Female: 20 (Queen)

11. Carpet beetles, as their name implies, sometimes infest carpets. Similar to clothes moths, the pests also feed on many other items composed of wool, fur, felt, silk, feathers, skins, and leather. Such materials contain keratin, a fibrous animal protein which the larvae are able to digest. Cotton and synthetic fabrics such as polyester and rayon are rarely attacked unless blended with wool, or heavily soiled with food stains or body oils. Infestations of carpet beetles can develop undetected, causing harm to vulnerable items.

12. Tineola bisselliella, known as the common clothes moth, webbing clothes moth, or simply clothing moth, is a species of fungus moth. It is the type species of its genus Tineola and was first described by Arvid David Hummel in 1823. The specific name is commonly misspelled biselliella – for example by G. A. W.
Scientific name: Tineola bisselliella
Class: Insecta
Family: Tineidae
Higher classification: Tineola
Phylum: Arthropoda
Order: Lepidoptera

13. A cotton rat is any member of the rodent genus Sigmodon. Cotton rats have small ears and dark coats, and are found in North and South America.
Scientific name: Sigmodon
Phylum: Chordata
Order: Rodent
Mass: Hispid cotton rat: 160 g, Arizona cotton rat: 200 g
Length: Hispid cotton rat: 17 cm, Tawny-bellied cotton rat: 18 cm
Gestation period: Hispid cotton rat: 27 days

14. Termopsidae (Dampwood termites) is an extinct family of termites in the order Blattodea. The five extant genera formerly included in Termopsidae have recently been treated as part of the newer family Archotermopsidae, leaving only extinct taxa in Termopsidae. Several prehistoric genera are placed herein, known only from fossils.
Scientific name: Termopsidae
Phylum: Arthropoda
Order: Termite
Rank: Family
Higher classification: Termite

15. House dust mites are mites found in association with dust in dwellings. They are known for causing the Dust Mite Allergy. The main species are: Dermatophagoides farinae Dermatophagoides microceras Dermatophagoides pteronyssinus Euroglyphus maynei

16. Earwigs make up the insect order Dermaptera. With about 2,000 species in 12 families, they are one of the smaller insect orders.
Scientific name: Dermaptera
Order: Dermaptera; De Geer, 1773
Class: Insecta
Kingdom: Animalia
Phylum: Arthropoda
Rank: Order

17. The wood mouse (Field mice) is a murid rodent native to Europe and northwestern Africa. It is closely related to the yellow-necked mouse but differs in that it has no band of yellow fur around the neck, has slightly smaller ears, and is usually slightly smaller overall: around 90 mm in length and 23 g in weight.
Length: 8.8 cm (Adult)
Mass: 23 g (Adult)
Scientific name: Apodemus sylvaticus
Trophic level: Omnivorous
Gestation period: 24 days
Conservation status: Least Concern (Population stable)

18. Fire ants are several species of ants in the genus Solenopsis. They are, however, only a minority in the genus, which includes over 200 species of Solenopsis worldwide. Solenopsis are stinging ants, and most of their common names reflect this, for example, ginger ants and tropical fire ants.
Scientific name: Solenopsis
Class: Insecta
Family: Formicidae
Kingdom: Animalia
Order: Hymenopterans
Phylum: Arthropoda

19. Drosophila melanogaster is a species of fly in the family Drosophilidae. The species is known generally as the common fruit fly or vinegar fly.
Scientific name: Drosophila melanogaster
Class: Insecta
Family: Drosophilidae
Kingdom: Animalia
Species group: Drosophila melanogaster group
Species complex: Drosophila melanogaster complex

20. The German cockroach is a small species of cockroach, typically about 1.1 to 1.6 cm long. In colour it varies from tan to almost black, and it has two dark, roughly parallel, streaks on the pronotum running anteroposteriorly from behind the head to the base of the wings.
Scientific name: Blattella germanica
Family: Ectobiidae
Class: Insecta
Kingdom: Animalia
Higher classification: Blattella
Order: Blattodea

21. Lymantria dispar dispar, commonly known as the gypsy moth, European gypsy moth, or North American gypsy moth, is a moth in the family Erebidae that is of Eurasian origin. It has a range that extends over Europe, Africa, and North America. Carl Linnaeus first described the species Lymantria dispar in 1758.
Scientific name: Lymantria dispar dispar
Class: Insecta
Family: Erebidae
Higher classification: Gypsy Moth
Kingdom: Animalia
Order: Lepidoptera

22. Scutigera coleoptrata (House centipedes) is a small, typically yellowish-grey centipede with up to 15 pairs of long legs. Originating in the Mediterranean region, the species has spread to other parts of the world, where it can live in human homes, thus gaining the name house centipede.
Scientific name: Scutigera coleoptrata
Family: Scutigeridae
Phylum: Arthropoda
Higher classification: Scutigera
Order: Centipedes
Rank: Species

23. Acheta domesticus, commonly called the house cricket, is a cricket most likely native to Southwestern Asia, but between 1950 and 2000 it became the standard feeder insect for the pet and research industries and spread worldwide. but can be kept as pets themselves, as this has been the case in China and Japan.
Scientific name: Acheta domesticus
Class: Insecta
Family: Gryllidae
Kingdom: Animalia
Order: Orthoptera
Higher classification: Acheta

24. The housefly is a fly of the suborder Cyclorrhapha. It is believed to have evolved in the Cenozoic Era, possibly in the Middle East, and has spread all over the world as a commensal of humans. It is the most common fly species found in houses.
Lifespan: Male: 28 days (In High Temperature, Low activity, Adult)
Scientific name: Musca domestica
Class: Insecta
Family: Muscidae
Order: Fly
Phylum: Arthropoda

25. The house mouse is a small mammal of the order Rodentia, characteristically having a pointed snout, large rounded ears, and a long and hairy tail. It is one of the most abundant species of the genus Mus.
Scientific name: Mus musculus
Class: Mammalia
Kingdom: Animalia
Trophic level: Carnivorous
Family: Muridae
Order: Rodentia
Phylum: Chordata

26. The Indianmeal moth, also spelled as Indian meal moth and Indian-meal moth, is a pyraloid moth of the family Pyralidae. Alternative common names are weevil moth, pantry moth, flour moth or grain moth.
Scientific name: Plodia interpunctella
Family: Pyralidae
Phylum: Arthropoda
Higher classification: Plodia
Order: Lepidoptera
Rank: Species

27. Tenebrio (Mealworm Beetle) is a genus of darkling beetles. Adults are 12–18 mm long and can live for 1–2 years. The larvae are minor pests, but they are also widely reared and sold as pet food.
Scientific name: Tenebrio
Phylum: Arthropoda
Higher classification: Tenebrioninae
Order: Beetles
Rank: Genus
Family: Tenebrionidae

28. Mosquitoes comprise a group of about 3,500 species of small insects that are flies. Within Diptera they constitute the family Culicidae. The word "mosquito" is Spanish for "little fly".
Lifespan: Culex pipiens: 7 days
Scientific name: Culicidae
Family: Culicidae; Meigen, 1818
Class: Insecta
Rank: Family
Clutch size: 100 – 200

29. Tapinoma sessile (Odorous house ants) is a species of small ant that goes by the common names odorous house ant, sugar ant, stink ant, and coconut ant. Their colonies are polydomous and polygynous.
Scientific name: Tapinoma sessile
Higher classification: Tapinoma
Phylum: Arthropoda
Order: Hymenopterans
Rank: Species
Subfamily: Dolichoderinae

30. Blattidae (Oriental cockroaches) is a cockroach family in the order Blattodea containing several of the most common household cockroaches.x
Scientific name: Blattidae
Higher classification: Blattodea
Phylum: Arthropoda
Order: Blattodea
Rank: Family

31. Psocoptera (Paper Lice) are an order of insects that are commonly known as booklice, barklice or barkflies. They first appeared in the Permian period, 295–248 million years ago. They are often regarded as the most primitive of the hemipteroids.
Scientific name: Psocoptera
Higher classification: Exopterygota
Rank: Order
Phylum: Arthropoda

32. The pharaoh ant is a small yellow or light brown, almost transparent ant notorious for being a major indoor nuisance pest, especially in hospitals. The pharaoh ant, whose origins are unknown, has now been introduced to virtually every area of the world, including Europe, the Americas, Australasia and Southeast Asia.x
Lifespan: Female: 4 – 12 months (Queen)
Scientific name: Monomorium pharaonis
Length: Female: 0.2 cm (Worker)
Higher classification: Monomorium
Clutch size: Female: 10 – 12 (Queen)
Phylum: Arthropoda

33. Tetranychus urticae (Red spider mite) is a species of plant-feeding mite generally considered to be a pest. It is the most widely known member of the family Tetranychidae or spider mites. Its genome was fully sequenced in 2011, and was the first genome sequence from any chelicerate.
Scientific name: Tetranychus urticae
Higher classification: Tetranychus
Order: Trombidiformes
Subclass: Acari
Phylum: Arthropoda
Rank: Species

34. A silverfish is a small, primitive, wingless insect in the order Zygentoma. Its common name derives from the animal's silvery light grey colour, combined with the fish-like appearance of its movements. The scientific name indicates that the silverfish's diet consists of carbohydrates such as sugar or starches.
Class: Insecta
Family: Lepismatidae
Scientific name: Lepisma saccharina
Kingdom: Animalia
Order: Zygentoma
Phylum: Arthropoda

35. Spider beetles make up the subfamily Ptininae, in the family Ptinidae. There are approximately 70 genera and 600 species in the subfamily, with about 12 genera and 70 species in North America north of Mexico. Spider beetles have round bodies with long, slender legs.
Family: Ptinidae
Scientific name: Ptininae
Phylum: Arthropoda
Order: Beetles
Higher classification: Anobiidae
Rank: Subfamily

36. Rhinotermitidae is a family of termites. They feed on wood and can cause extensive damage to buildings or other wooden structures. About 345 species are recognized, among these are severe pests such as Coptotermes formosanus, Coptotermes gestroi, and Reticulitermes flavipes.
Scientific name: Rhinotermitidae
Phylum: Arthropoda
Higher classification: Termite
Order: Blattodea
Rank: Family

37. Solenopsis molesta is the best known species of Solenopsis thief ants. These ants, which include the majority of species within the genus Solenopsis, get their names from their habit of nesting close to other ant nests, from which they steal food. They are also called grease ants because they are attracted to grease.
Scientific name: Solenopsis molesta
Phylum: Arthropoda
Order: Hymenopterans
Rank: Species
Subfamily: Myrmicinae
Family: Formicidae

38. Weevils are beetles belonging to the superfamily Curculionoidea, known for their elongated snouts. They are usually small, less than 6 mm in length, and herbivorous. About 97,000 species of weevils are known. They belong to several families, with most of them in the family Curculionidae.
Scientific name: Curculionoidea
Kingdom: Animalia
Class: Insecta
Order: Beetles
Rank: Superfamily
Higher classification: Cucujiformia

39. A pack rat or packrat, also called a woodrat, can be any of the species in the rodent genus Neotoma. Pack rats have a rat-like appearance with long tails, large ears and large black eyes.
Scientific name: Neotoma
Phylum: Chordata
Order: Rodent
Length: Bushy-tailed woodrat: 21 cm
Mass: Bushy-tailed woodrat: 290 g, Dusky-footed woodrat: 210 g
Gestation period: Bushy-tailed woodrat: 30 days

40. A woodlouse is a crustacean from the monophyletic suborder Oniscidea within the isopods. They are called that from being found in old wood. The first woodlice were marine isopods which are presumed to have colonised land in the Carboniferous.
Order: Isopods
Class: Malacostraca
Subphylum: Crustacea
Scientific name: Oniscidea
Kingdom: Animalia
Suborder: Oniscidea; Latreille 1802

41. Woodworm is the wood-eating larvae of many species of beetle. It is also a generic description given to the infestation of a wooden item by these larvae.