Flat-bug
Guides
Acaricoris ignotus
flat bug
Acaricoris ignotus is a species of flat bug in the family Aradidae, described by Harris and Drake in 1944. It inhabits forest floor environments in the eastern United States, where it occupies decaying wood and leaf litter. As a member of the Aradidae, it exhibits the family's characteristic flattened body form and cryptic lifestyle in decomposing organic substrates.
Aneurus borealis
Aneurus borealis is a species of flat bug in the family Aradidae, described by Picchi in 1977. It is distributed in North America. Members of the genus Aneurus are generally associated with decaying wood and fungal habitats. The species belongs to a family characterized by dorsoventrally flattened bodies adapted for living in tight spaces under bark.
Aneurus fiskei
Aneurus fiskei is a species of flat bug in the family Aradidae, first described by Heidemann in 1904. Flat bugs in this family are characterized by their dorsoventrally flattened bodies, an adaptation for living in confined spaces under bark or within decaying wood. The species is documented from both Central America and North America. Like other members of Aradidae, it likely inhabits microhabitats associated with dead or dying trees.
Aneurus minutus
Aneurus minutus is a species of flat bug in the family Aradidae, described by Bergroth in 1886. It belongs to the order Hemiptera, characterized by their flattened body form adapted for living under bark. The species has been recorded from the Caribbean and North America according to GBIF distribution data. Very little specific information is available about this particular species in the provided sources.
Aneurus pygmaeus
Aneurus pygmaeus is a species of flat bug in the family Aradidae, described by Kormilev in 1966. The genus Aneurus comprises small, cryptic bugs associated with dead wood and fungi. As with other aradids, this species likely inhabits concealed microhabitats beneath bark or within decaying wood. The specific epithet 'pygmaeus' refers to its diminutive size. Information regarding its biology and distribution remains limited in available literature.
Aneurus simplex
Aneurus simplex is a species of flat bug in the family Aradidae, order Hemiptera. The species is known from North America. Flat bugs in this family are typically associated with decaying wood and fungal habitats.
Aradus abbas
Aradus abbas is a species of flat bug in the family Aradidae, first described by Bergroth in 1889. It belongs to a group of insects commonly known as flat bugs due to their strongly flattened body form. The species is distributed in North America, including the Nearctic region and Beringia. Like other members of the genus Aradus, it is likely associated with dead wood habitats, though specific ecological details for this species remain limited.
Aradus acutus
flat bug
Aradus acutus is a species of flat bug in the family Aradidae, first described by Thomas Say in 1832. It belongs to a group of insects commonly known as flat bugs due to their strongly dorsoventrally flattened bodies. The species is found in North America, though specific ecological details remain poorly documented in the available literature.
Aradus aequalis
Aradus aequalis is a species of flat bug in the family Aradidae, first described by Thomas Say in 1832. It is one of approximately 200 species in the genus Aradus. Like other flat bugs, it has a strongly dorsoventrally flattened body form adapted for living in tight spaces under bark. The species is known from North America, with records from the United States including Vermont.
Aradus ampliatus
Aradus ampliatus is a species of flat bug (family Aradidae) described by Uhler in 1876. Like other members of the genus Aradus, it belongs to a group of true bugs commonly known as flat bugs due to their dorsoventrally flattened body form. The genus Aradus includes both extant and fossil species, with 14 species described from Baltic amber inclusions dating to the Eocene. Extant species in this genus are typically associated with dead wood habitats.
Aradus antennalis
Aradus antennalis is a species of flat bug in the family Aradidae, first described by Parshley in 1921. It is native to North America. Flat bugs in this family are characterized by their dorsoventrally flattened bodies and association with dead wood habitats.
Aradus approximatus
flat bug
Aradus approximatus is a species of flat bug in the family Aradidae, described by Parshley in 1921. It belongs to a group of true bugs characterized by their strongly flattened bodies, an adaptation for living in tight spaces under bark. The species is recorded from North America. Like other members of the genus Aradus, it is presumed to inhabit dead wood environments, though specific ecological details for this species remain poorly documented.
Aradus basalis
flat bug
Aradus basalis is a species of flat bug in the family Aradidae, first described by Parshley in 1921. It is known from North America. As a member of the Aradidae, it belongs to a group of true bugs commonly associated with dead wood habitats.
Aradus behrensi
Aradus behrensi is a species of flat bug in the family Aradidae. It is found in North America. The species was described by Bergroth in 1886.
Aradus borealis
flat bug
Aradus borealis is a species of flat bug in the family Aradidae, a group of true bugs characterized by their dorsoventrally flattened bodies. The species is found in North America. Flat bugs in this family are typically associated with dead wood and bark habitats. Beyond basic taxonomic placement and geographic distribution, specific biological details for A. borealis remain poorly documented in the available literature.
Aradus brevicornis
Aradus brevicornis is a species of flat bug in the family Aradidae, described by Kormilev in 1980. It belongs to a genus of true bugs commonly associated with dead wood and bark habitats. The species epithet 'brevicornis' refers to its relatively short antennae compared to congeners. Like other members of Aradidae, this species is cryptic and poorly studied, with limited published information on its biology and distribution.
Aradus carolinensis
Aradus carolinensis is a species of flat bug in the family Aradidae, described by Kormilev in 1964. The species is known from North America. Members of the genus Aradus are commonly known as flat bugs and are typically associated with dead wood habitats.
Aradus cf-snowi
Aradus cf-snowi is a flat bug species in the family Aradidae, a group of true bugs commonly found on and under the bark of dead trees. The 'cf.' designation indicates this specimen resembles A. snowi but requires confirmation. Flat bugs in this genus are typically cryptic and associated with woody substrates.
Aradus cf. acutus-w-tex
Aradus cf-acutus-w-tex is a flat bug in the family Aradidae, a group of true bugs commonly associated with dead wood and bark habitats. The "cf." designation and "w-tex" suffix indicate this is an informal, provisional designation referring to a western Texas population closely resembling Aradus acutus but not formally described as a distinct species. Flat bugs in this genus are typically small, dorsoventrally flattened insects that live cryptically under bark.
Aradus cincticornis
flat bug
Aradus cincticornis is a species of flat bug in the family Aradidae, first described by Bergroth in 1906. Flat bugs in this genus are characterized by their dorsoventrally flattened bodies and association with dead wood habitats. The species is known from North America. Like other members of Aradidae, it likely inhabits spaces under bark and in decaying wood.
Aradus compressus
Aradus compressus is a species of flat bug in the family Aradidae, first described by Heidemann in 1907. It is found in North America, with distribution records indicating presence in the Western Nearctic region excluding Beringia. The genus Aradus comprises numerous species commonly associated with dead wood habitats.
Aradus concinnus
Aradus concinnus is a species of flat bug in the family Aradidae, described by Bergroth in 1892. Flat bugs in this genus are typically associated with dead wood habitats, living on and under bark where they feed on fungal hyphae. The species is recorded from North America, though specific details about its biology and distribution within this range remain poorly documented in available sources.
Aradus crenatus
flat bug
Aradus crenatus is a species of flat bug in the family Aradidae, first described by Thomas Say in 1832. The species has been recorded from Central America and North America, with additional reports from Europe. GBIF indicates its current accepted status is as a synonym of Aradus conspicuus, though this taxonomic treatment may vary across sources. As with other members of the genus Aradus, it belongs to a group of cryptic insects associated with dead wood habitats.
Aradus curticollis
Aradus curticollis is a species of flat bug in the family Aradidae, described by Bergroth in 1913. Like other members of the genus Aradus, it belongs to a group of true bugs commonly associated with dead wood habitats. The species is recorded from North America, though specific details about its biology and ecology remain poorly documented in available literature.
Aradus debilis
Aradus debilis is a species of flat bug in the family Aradidae, described by Uhler in 1876. It is distributed across North America. As a member of the flat bug family, it likely shares the characteristic dorsoventrally flattened body form typical of Aradidae, though specific details about its biology remain poorly documented in available sources.
Aradus depictus
Aradus depictus is a species of flat bug in the family Aradidae, described by Van Duzee in 1917. As a member of this family, it has the dorsoventrally flattened body form characteristic of aradids. The species is recorded from North America, though specific ecological details remain poorly documented. Like other Aradus species, it likely inhabits forested environments where it feeds on fungal mycelia.
Aradus depressus
pale-shouldered flatbug
Aradus depressus is a flat bug in the family Aradidae, the most common and widespread species in its genus. It occurs across the Palearctic from Ireland to Siberia, extending to the Caucasus Mountains in the southeast and reaching elevations up to 1,600 meters in the Alps. The species is strongly associated with hardwood trees colonized by fungi, particularly birch, and exhibits distinctive seasonal flight behavior in spring.
Aradus duzeei
Aradus duzeei is a species of flat bug in the family Aradidae, described by Bergroth in 1892. It is found in North America. Flat bugs in this family are characterized by their dorsoventrally flattened bodies and association with dead wood habitats.
Aradus evermanni
Aradus evermanni is a flat bug species described by Van Duzee in 1920. Members of the family Aradidae are characterized by their extremely flattened bodies, an adaptation for living in tight spaces under bark or in decaying wood. The genus Aradus is one of the largest in the family, with species primarily associated with coniferous and deciduous trees. Specific ecological details for A. evermanni remain poorly documented.
Aradus falleni
flat bug
Aradus falleni is a species of flat bug in the family Aradidae, first described by Carl Stål in 1860. It belongs to a family characterized by dorsoventrally flattened bodies adapted for living in confined spaces under bark. The species has a broad distribution across the Caribbean Sea, Central America, North America, and South America. As with other members of Aradidae, it is likely associated with dead or decaying wood habitats, though specific ecological details for this species remain limited in published literature.
Aradus funestus
Aradus funestus is a species of flat bug in the family Aradidae, first described by Bergroth in 1913. It belongs to the genus Aradus, which comprises approximately 200 species of bark-dwelling true bugs. The species is found in North America, though specific details about its biology and ecology remain poorly documented in the scientific literature.
Aradus furnissi
Aradus furnissi is a species of flat bug in the family Aradidae, described by Usinger in 1936. Like other members of this family, it is a small, dorsoventrally flattened true bug. The genus Aradus is the largest in the family Aradidae, with species typically associated with dead wood habitats.
Aradus fuscomaculatus
Aradus fuscomaculatus is a species of flat bug in the family Aradidae, first described by Stål in 1859. As a member of the flat bug family, it exhibits the characteristic dorsoventrally flattened body form typical of this group. The species is known from North America, where it inhabits forest environments associated with dead wood. Like other aradids, it is likely associated with subcortical habitats, though specific ecological details for this species remain poorly documented.
Aradus gracilicornis
Aradus gracilicornis is a species of flat bug in the family Aradidae, described by Stål in 1873. It belongs to a family of true bugs characterized by their dorsoventrally flattened bodies and association with dead wood habitats. The species is known from the Caribbean Sea region and North America.
Aradus implanus
Aradus implanus is a species of flat bug in the family Aradidae, described by Parshley in 1921. It belongs to the genus Aradus, which comprises approximately 200 species of bark-dwelling true bugs. The species is known from North America. Flat bugs in this genus are typically associated with dead or decaying wood habitats. Beyond basic taxonomic and distributional information, specific details about its biology and ecology remain limited in the available literature.
Aradus inornatus
Aradus inornatus is a species of flat bug in the family Aradidae, first described by Uhler in 1876. It is distributed in North America. As a member of the Aradidae, it belongs to a family of true bugs commonly known as flat bugs, which are typically associated with dead wood habitats.
Aradus insolitus
flat bug
Aradus insolitus is a species of flat bug in the family Aradidae, described by Van Duzee in 1916. It is distributed in North America, particularly in the western Nearctic region including California. Like other members of the genus Aradus, it belongs to a group of true bugs adapted to living in concealed habitats such as under bark. The species is represented by limited observational records, with 22 observations documented on iNaturalist.
Aradus intectus
Aradus intectus is a species of flat bug in the family Aradidae, first described by Parshley in 1921. It belongs to a family of true bugs characterized by their dorsoventrally flattened bodies and association with dead wood habitats. The species is known to occur in North America. As with other members of Aradidae, it likely inhabits subcortical environments, though specific ecological details remain poorly documented.
Aradus intermedius
Aradus intermedius is a species of flat bug in the family Aradidae, described by Usinger in 1936. The species belongs to a genus of bark-dwelling true bugs characterized by their dorsoventrally flattened bodies. As with other members of Aradidae, it is presumed to inhabit subcortical environments, though specific details of its biology remain poorly documented in the provided sources.
Aradus kormilevi
pine flat bug
Aradus kormilevi is a species of flat bug in the family Aradidae, commonly known as the pine flat bug. It was described by Heiss in 1980 and is known from North America. The species is part of a family whose members are typically associated with dead wood habitats.
Aradus leachi
Aradus leachi is a species of flat bug in the family Aradidae, described by Van Duzee in 1929. Flat bugs in this genus are characterized by their dorsoventrally flattened bodies and association with dead wood habitats. The species is known from North America, though detailed biological information remains limited.
Aradus linsleyi
Aradus linsleyi is a species of flat bug (family Aradidae) described by Usinger in 1936. The species belongs to a group of true bugs commonly associated with dead wood habitats. As with other members of the genus Aradus, this species is characterized by its dorsoventrally flattened body form adapted for living under bark. The species is known from North America.
Aradus lugubris
flat bug
Aradus lugubris is a species of flat bug in the family Aradidae, first described by Fallén in 1807. It is one of the most widely distributed species in its genus, occurring across the Holarctic region in both Europe and North America. The species is known from forest habitats where it lives under the bark of dead trees. Two subspecies are recognized: A. lugubris lugubris and A. lugubris nigricornis.
Aradus medioximus
Aradus medioximus is a species of flat bug in the family Aradidae, described by Parshley in 1921. The genus Aradus comprises bark-dwelling true bugs commonly associated with dead wood habitats. Species in this genus are characterized by their dorsoventrally flattened bodies, an adaptation for living under bark. As with other members of Aradidae, they are thought to feed on fungal hyphae and decaying organic matter, though specific details for A. medioximus remain poorly documented. The species is recorded from North America.
Aradus nr-behrensi-calif
California near Aradus behrensi
Aradus nr-behrensi-calif is a flat bug species in the family Aradidae, designated with the "nr" (near) prefix indicating it closely resembles but may not be conspecific with Aradus behrensi. The "calif" suffix suggests California origin. Flat bugs in this genus are typically associated with dead wood habitats. This designation is commonly used in entomological collections when precise species identification requires further taxonomic verification.
Aradus nr-intectus-bc
Aradus nr-intectus-bc is a flat bug species in the family Aradidae. The 'nr-intectus-bc' designation indicates this is a near-relative of Aradus intectus from British Columbia, representing a taxon that has not been formally described but is morphologically distinct enough to warrant a provisional identifier. Flat bugs in this genus are typically associated with dead wood habitats. The species-level taxonomy remains unresolved pending formal description.
Aradus nr. debilis
Aradus nr. debilis (CA-AZ) represents a nearctic population of the flat bug genus Aradidae, occurring in California and Arizona. This putative species belongs to a taxonomically challenging complex within Aradus, characterized by flattened bodies adapted for life under bark. The 'nr.' designation indicates morphological proximity to A. debilis while acknowledging unresolved taxonomic status pending further study.
Aradus opertaneus
Aradus opertaneus is a species of flat bug (family Aradidae) described by Parshley in 1921. As a member of the Aradidae, it belongs to a group of true bugs commonly associated with dead wood habitats. The species is currently accepted and has been recorded from North America. Flat bugs in this genus are typically small, dorsoventrally flattened insects with reduced wings.
Aradus ornatus
Aradus ornatus is a species of flat bug in the family Aradidae, first described by Thomas Say in 1832. It is found in North America. Like other members of the genus Aradus, it belongs to a group of true bugs adapted to life under bark and in association with dead wood.
Aradus ovatus
Aradus ovatus is a species of flat bug in the family Aradidae, described by Kormilev in 1966. Flat bugs in this genus are characterized by their dorsoventrally flattened bodies, an adaptation for living under bark and in tight spaces. The species is known from North America, though specific details about its biology and ecology remain limited in available literature.