Aradidae
Guides
Aradus quadrilineatus
four-lined flat bug
Aradus quadrilineatus is a species of flat bug in the family Aradidae, described by Thomas Say in 1825. It is distributed across Central America and North America. As with other members of Aradidae, it is presumed to inhabit dead wood habitats, though specific ecological details for this species remain poorly documented.
Aradus robustus
flat bug
Aradus robustus is a species of flat bug in the family Aradidae, first described by Uhler in 1871. It is distributed across North America, with confirmed records from the United States including Vermont. The species is one of two recognized subspecies within the Aradus robustus complex, with the nominate subspecies A. r. robustus and A. r. insignis described by Parshley in 1921. As a member of the flat bug family, it belongs to a group of true bugs adapted to life under bark and in decaying wood.
Aradus shermani
flat bug
Aradus shermani is a species of flat bug in the family Aradidae, described by Heidemann in 1907. It is an extant species found in North America. Members of the genus Aradus are commonly known as flat bugs due to their dorsoventrally flattened body form, which is an adaptation for living in narrow spaces under bark.
Aradus signaticornis
Flat bug
Aradus signaticornis is a species of flat bug in the family Aradidae, first described by Sahlberg in 1848. As a member of the Aradidae family, it belongs to a group of true bugs commonly associated with dead wood habitats. The species has been recorded from Europe, Northern Asia, and North America. Flat bugs in this genus are typically found under bark and in decaying wood, where they feed on fungal hyphae.
Aradus snowi
Aradus snowi is a species of flat bug (family Aradidae) in the order Hemiptera. The species was described by Van Duzee in 1920. Distribution records indicate presence in both Middle America and North America. As a member of the Aradidae family, it is likely associated with dead wood habitats, though specific ecological details for this species are not well documented.
Aradus taylori
Aradus taylori is a species of flat bug described by Van Duzee in 1920. As a member of the family Aradidae, it belongs to a group of true bugs commonly associated with dead wood habitats. The species is documented from North America. Flat bugs in this genus are typically small, dorsoventrally flattened insects that live under bark or in other concealed microhabitats.
Aradus tuberculifer
flat bug
Aradus tuberculifer is a species of flat bug in the family Aradidae, described by Kirby in 1837. It is found in North America. Flat bugs in this genus are typically associated with dead wood habitats.
Aradus uniformis
flat bug
Aradus uniformis is a species of flat bug in the family Aradidae, first described by Heidemann in 1904. It is known from North America. Members of the genus Aradus are commonly associated with dead wood habitats, though species-specific ecological details for A. uniformis remain limited in published literature.
Aradus unnamed-ariz
A flat bug species in the genus Aradus, presumably from Arizona based on the provisional name. The genus Aradus comprises bark-dwelling true bugs characterized by their dorsoventrally flattened bodies adapted for living in narrow spaces under bark. Species in this genus are commonly associated with dead or dying trees where they feed on fungal hyphae.
Aradus vadosus
Aradus vadosus is a species of flat bug in the family Aradidae, a group of true bugs characterized by their dorsoventrally flattened bodies. The species was described by Van Duzee in 1920. It is known to occur in North America. Members of the genus Aradus are commonly associated with dead wood habitats, though species-specific details for A. vadosus remain limited in available literature.
Aradus vandykei
Aradus vandykei is a species of flat bug in the family Aradidae, described by Van Duzee in 1927. It belongs to a genus of true bugs commonly associated with dead wood habitats. The species is part of a diverse group of Hemiptera known for their dorsoventrally flattened bodies and cryptic lifestyle under bark.
Brachyrhynchus
Brachyrhynchus is a genus of true bugs in the family Aradidae (flat bugs). These insects are characterized by their dorsoventrally flattened bodies and are typically found in association with decaying wood and bark habitats. The genus has been documented in 467 iNaturalist observations. Taxonomic placement has been historically confused, with some sources previously associating the name with weevils (Curculionidae), but current consensus places Brachyrhynchus within Hemiptera: Aradidae.
Iralunelus politus
Iralunelus politus is a species of flat bug in the family Aradidae, order Hemiptera. Originally described as Aneurus politus by Thomas Say in 1832, this species has been reclassified into the genus Iralunelus. Aradidae, commonly known as flat bugs or bark bugs, are a family of true bugs characterized by their dorsoventrally flattened bodies adapted for living under bark and in other tight spaces. The family is primarily tropical in distribution, though some species extend into temperate regions of North America.
Mezira
flat bugs
Mezira is a genus of flat bugs in the family Aradidae containing over 70 described species. Members are characterized by dorsoventrally flattened bodies adapted for living in confined spaces under bark and in leaf litter. The genus exhibits specialized morphological adaptations for mycetophagy, including elongated stylets and modified mouthpart sensilla for feeding on fungal mycelia and fruiting bodies.
Mezira emarginata
flat bug
Mezira emarginata is a species of flat bug in the family Aradidae. The species was described by Say in 1832. It occurs in Central America and North America. Flat bugs in this family are typically associated with decaying wood and fungal habitats.
Mezira granulata
Mezira granulata is a species of flat bug in the family Aradidae, characterized by its dorsoventrally flattened body form. The species is distributed across the Caribbean, Central America, and North America. Like other members of Aradidae, it is associated with decaying wood and fungal habitats. The specific epithet 'granulata' refers to a granular or roughened body surface texture.
Mezira lobata
Mezira lobata is a species of flat bug in the family Aradidae, commonly known as bark bugs. The species was described by Thomas Say in 1832. It occurs in Central America and North America. Like other aradids, it has a strongly flattened body form adapted for living in tight spaces under bark.
Mezira pacifica
Mezira pacifica is a species of flat bug in the family Aradidae, described by Usinger in 1936. The species is found in western North America. Flat bugs (Aradidae) are characterized by their extremely flattened bodies and are typically associated with dead wood or bark habitats. As with other members of this family, M. pacifica likely feeds on fungal hyphae through its piercing-sucking mouthparts.
Mezira reducta
Mezira reducta is a species of flat bug in the family Aradidae, first described by Van Duzee in 1927. Members of the genus Mezira are typically associated with decaying wood and fungal habitats. The species is known from North America, with observational records from the United States.
Mezira sayi
Mezira sayi is a species of flat bug in the family Aradidae, a group of true bugs (Hemiptera: Heteroptera) characterized by their dorsoventrally flattened bodies. The species was described by Kormilev in 1982. It is native to North America. Flat bugs in this family are typically associated with decaying wood and fungal habitats.
Nannium
Nannium is a genus of flat bugs in the family Aradidae, established by Bergroth in 1898. Members of this genus are true bugs (Hemiptera: Heteroptera) characterized by their dorsoventrally flattened bodies, an adaptation for living in narrow spaces under bark or within decaying wood. The genus belongs to a family of insects commonly known as flat bugs or bark bugs, which are primarily associated with dead and decaying wood habitats.
Neoproxius
Neoproxius is a genus of flat bugs (Hemiptera: Aradidae) established by Usinger and Matsuda in 1959. The genus belongs to the family Aradidae, a group of true bugs characterized by their dorsoventrally flattened bodies adapted for living in confined spaces such as under bark or in decaying wood. As of current records, the genus contains multiple species distributed in specific regional contexts, though detailed biological information remains limited in published literature.
Neuroctenus
flat bugs
Neuroctenus is a genus of flat bugs in the family Aradidae, subfamily Mezirinae, containing approximately 7 described species. Species in this genus are characterized by their strongly flattened bodies adapted for living under bark and in decaying wood. They are mycophagous, feeding on fungal mycelium, and have been documented in East and Southeast Asia including Taiwan, Hainan, Yunnan, Guizhou, and Tibet. Several species have been studied through mitochondrial genome sequencing, revealing close phylogenetic relationships within the genus and placement of Neuroctenus as sister to Mezira within Mezirinae.
Neuroctenus arizonicus
Neuroctenus arizonicus is a species of flat bug in the family Aradidae, described by Kormilev in 1982. Members of this genus are typically found in association with decaying wood and fungal growth, where they feed on fungal hyphae. The species epithet "arizonicus" indicates its described origin in Arizona.
Neuroctenus elongatus
flat bug
Neuroctenus elongatus is a species of flat bug in the family Aradidae, first described by Osborn in 1903. The species is characterized by its elongated body form, which distinguishes it from other members of the genus. It is distributed across North America. Flat bugs in this family are typically associated with decaying wood and fungal habitats, though specific ecological details for this species remain limited.
Quilnus
Quilnus is a genus of flat bugs in the family Aradidae, first described by Stål in 1873. Members of this genus are characterized by their dorsoventrally flattened bodies, an adaptation associated with their lifestyle under bark or in other tight spaces. The genus is part of the diverse Aradidae family, which comprises over 200 genera of primarily mycophagous or saprophagous true bugs. As of current records, the genus contains relatively few described species, and detailed biological information remains limited.
Quilnus heidemanni
Quilnus heidemanni is a species of flat bug in the family Aradidae, a group of true bugs (Hemiptera) characterized by their dorsoventrally flattened bodies. Species in this genus are associated with decaying wood and fungal habitats. The genus Quilnus is relatively small and poorly documented in the literature, with limited published research on its biology. Observations of this species remain sparse, with most records originating from North America.
Quilnus niger
Quilnus niger is a species of true bug in the family Aradidae, commonly known as flat bugs or bark bugs. Members of this family are typically found in association with decaying wood and fungi. The genus Quilnus is part of the diverse Hemiptera order, which includes true bugs with piercing-sucking mouthparts. Specific ecological details for this species remain limited in published literature.