Bug FAQWhich house bugs are just a nuisance?
Annoying, but sources call them a nuisance, not a danger. 18 house and yard pests on Bug FAQ, most commonly seen first. Each line is quoted from that bug's page and its sources.
Common European Greenbottle FlyLucilia sericataNuisance, not dangerousFemales sometimes lay eggs on live animals, and the maggots can cause myiasis (maggots living in the skin).
Source: Wikipedia
Greenhouse MillipedeOxidus gracilisNuisance, not dangerousThey are a nuisance pest that can swarm into homes but do not pose a danger to people.
Source: Wikipedia, extension.msstate.edu, lsuagcenter.com
Argentine AntLinepithema humileNuisance, not dangerousThey are a nuisance in homes, especially kitchens.
Source: Wikipedia
Camel CricketsCeuthophilusNuisance, not dangerousThey are a nuisance in homes, especially basements, but do not cause serious damage.
Source: yardandgarden.extension.iastate.edu, extension.umaine.edu
Longhorn Crazy AntParatrechina longicornisNuisance, not dangerousIt is a nuisance pest, especially indoors.
Source: Wikipedia
Tropical House CricketGryllodes sigillatusNuisance, not dangerousThey are a nuisance to people.
Source: Wikipedia
Smokybrown CockroachPeriplaneta fuliginosaNuisance, not dangerousA pest in the Southern United States and Japan that readily invades homes, restaurants and hospitals.
Source: Wikipedia
Australian CockroachPeriplaneta australasiaeNuisance, not dangerousIt can enter homes looking for food and become a nuisance pest.
Dark Rover AntBrachymyrmex patagonicusNuisance, not dangerousThey do not bite, sting, or spread disease, but they can become a nuisance by infesting structures.
Source: Wikipedia
Common fruit fly, Vinegar flyDrosophila melanogasterNuisance, not dangerousA common pest in homes and restaurants, drawn to rotting fruit and fermenting drinks.
Source: Wikipedia
Black Blow FlyPhormia reginaNuisance, not dangerousThey are a nuisance pest but do not bite or sting people or pets.
Source: UC IPM
Common Citronella AntLasius clavigerNuisance, not dangerousCitronella ants are a nuisance.
Source: Penn State Extension
Pennsylvania Wood CockroachParcoblatta pennsylvanicaNuisance, not dangerousThey are a nuisance pest that may wander indoors.
Source: Penn State Extension
Asian CockroachBlattella asahinaiNuisance, not dangerousIt can enter homes and become a nuisance.
Source: Wikipedia, urbanentomology.tamu.edu
Pharaoh AntMonomorium pharaonisNuisance, not dangerousIt is a nuisance pest in homes and hospitals.
Source: Wikipedia
Difficult White-footed AntTechnomyrmex difficilisNuisance, not dangerousThey do not bite, sting, or damage structures, but they are a nuisance in homes.
Source: UF/IFAS
Common Cluster FlyPollenia rudisNuisance, not dangerousCluster flies are a nuisance to people and homes.
Source: Wikipedia
Clover MiteBryobia praetiosaNuisance, not dangerousClover mites can get into houses in very large numbers through cracks around windows and doors. They are not harmful to people, pets or furniture.
Source: Wikipedia