Longhorn-beetles
Guides
Hesperophanini
Hesperophanini is a tribe of longhorn beetles (Cerambycidae) in the subfamily Cerambycinae, established by Étienne Mulsant in 1839. The tribe comprises multiple genera of wood-boring beetles, with over 9,500 observations recorded on iNaturalist. Members share morphological characteristics typical of cerambycine beetles, including elongated bodies and antennae that are often notably long.
Heterops
Heterops is a genus of longhorn beetles in the family Cerambycidae, tribe Eburiini. The genus was established by Blanchard in 1842 and contains nine recognized species distributed across the Caribbean and parts of Central and South America. Species within this genus are characterized by their elongated bodies and antennae typical of cerambycids.
Hippopsis
Hippopsis is a genus of longhorn beetles (Cerambycidae) in the subfamily Agapanthiinae. The genus was established in 1825 and contains multiple species distributed primarily in the Neotropical region. One species, Hippopsis lemniscata, has been documented exhibiting thanatosis (death-feigning behavior) when disturbed. Members of this genus are characterized by their elongated body form typical of the subfamily.
Hyboderini
Hyboderini is a tribe of longhorn beetles within the subfamily Cerambycinae. The tribe contains five genera: Hybodera, Lampropterus, Megobrium, Pachymerola, and Pseudopilema. Most species were described in the late 19th century, with some Pachymerola species described more recently. The tribe is primarily distributed in North America, with species records concentrated in the United States and Mexico.
Hypexilis
Hypexilis is a genus of longhorn beetles in the family Cerambycidae, subfamily Cerambycinae, and tribe Graciliini. The genus was established by Horn in 1885 and contains two described species: H. longipennis Linsley, 1935 and H. pallida Horn, 1885. Members of this genus are known from western North America, particularly in montane juniper-oak-pinyon woodland habitats.
Ibidionini
Ibidionini is a tribe of longhorn beetles (Cerambycidae) in the subfamily Cerambycinae. The tribe has been historically referred to by multiple names including Hexoplonini and Neoibidionini. Members of this tribe are distributed primarily in the Neotropical region. Research on the tribe has focused on larval and pupal morphology of select species.
Ipochus
Ipochus is a genus of longhorn beetles in the subfamily Lamiinae, tribe Parmenini. The genus contains two recognized species: Ipochus fasciatus (LeConte, 1852) and Ipochus insularis (Blaisdell, 1925). Ipochus fasciatus has been documented in association with mesquite (Prosopis juliflora var. glandulosa). The genus is native to western North America, with I. insularis restricted to islands off the coast of California.
Lamiinae
Flat-faced Longhorn Beetles, Flat-faced Longhorns
Lamiinae is a subfamily of longhorn beetles (Cerambycidae) distinguished by their orthognathous head orientation, where the face is vertical and mouthparts directed downward—hence the common name 'flat-faced longhorns.' The subfamily is extraordinarily diverse, containing over 750 genera and rivaled only by Cerambycinae in species richness within the family. Members are primarily wood-boring beetles, with larvae developing in living or dead plant tissues across a wide range of host plants.
Leptorhabdium
Leptorhabdium is a genus of longhorn beetles (Cerambycidae) in the subfamily Lepturinae and tribe Xylosteini. The genus contains four recognized species distributed across parts of Europe, western Asia, and North America. Species within this genus are associated with wooded habitats and share the general characteristics of lepturine cerambycids, including elongated bodies and often patterned elytra.
Linsleyonides
Linsleyonides is a small genus of longhorn beetles in the family Cerambycidae, established by Skiles in 1985. The genus belongs to the tribe Elaphidiini within the subfamily Cerambycinae. It contains three described species distributed in North America and the Caribbean.
Lissonotus
Lissonotus is a genus of longhorn beetles (Cerambycidae) and the sole genus in the tribe Lissonotini. These beetles are part of the diverse Cerambycinae subfamily, which contains many wood-boring species. The genus was established by Dalman in 1817 and contains multiple species, though specific details about individual species remain limited in available sources.
Lophalia
Lophalia is a genus of longhorn beetles in the family Cerambycidae, subfamily Cerambycinae, and tribe Trachyderini. The genus was established by Casey in 1912 and currently contains six described species distributed in the Americas. Members of this genus are characterized by features typical of the Trachyderini tribe, including often robust bodies and frequently vivid coloration patterns. The genus has been documented through 258 iNaturalist observations, indicating moderate field recognition.
Lypsimena
Lypsimena is a genus of longhorn beetles in the subfamily Lamiinae, tribe Pogonocherini. The genus was established by Haldeman in 1847 and contains five described species distributed in the Americas. Members of this genus are characterized by their elongated body form typical of cerambycids, with antennal features and pronotal structure distinguishing them from related genera.
Macrotomini
Macrotomini is a tribe of longhorn beetles within the subfamily Prioninae. Members are generally large, robust beetles with prominent mandibles. The tribe is distributed across multiple continents with greatest diversity in tropical and subtropical regions. Many species are associated with woody vegetation and are of interest to collectors due to their size and distinctive morphology.
Malobidion
Malobidion is a genus of longhorn beetles (Cerambycidae) described by Schaeffer in 1908. The genus contains three described species distributed in the southwestern United States and Mexico: M. auricome, M. brunneum, and M. grande. Members of this genus belong to the tribe Hesperophanini within the subfamily Cerambycinae. The genus is characterized by moderate body size and relatively sparse documentation in scientific literature.
Megasemum
Megasemum is a genus of longhorn beetles (family Cerambycidae) in the tribe Asemini, established by Kraatz in 1879. The genus includes species such as Megasemum asperum, described by LeConte in 1854. Members of this genus are classified within the subfamily Spondylidinae and are part of the diverse beetle fauna of the Chrysomeloidea superfamily. The genus has been documented in citizen science observations, with over 200 records on iNaturalist.
Meriellum
Meriellum is a monotypic genus of longhorn beetles in the family Cerambycidae, established by Linsley in 1957. The genus contains a single species, Meriellum proteus, classified within the tribe Callidiini of the subfamily Cerambycinae. Little detailed information is available about the biology or ecology of this genus.
Meroscelisini
Meroscelisini is a tribe of longhorn beetles within the subfamily Prioninae of the family Cerambycidae. These beetles are characterized by their robust bodies and relatively large size compared to other cerambycids. The tribe includes several genera distributed across multiple continents, with species often associated with woody vegetation.
Mesosini
Mesosini is a tribe of longhorn beetles (Cerambycidae) within the subfamily Lamiinae. The tribe contains approximately 60 described genera distributed primarily across East Asia, Southeast Asia, and parts of the Oriental region. Members are characterized by morphological traits typical of Lamiinae, with some genera exhibiting distinctive features such as elytral tubercles or modified antennae. The tribe includes economically significant species associated with hardwood trees.
Monochamini
longhorn beetles (informal, group-specific)
Monochamini is a tribe of longhorn beetles (Cerambycidae: Lamiinae) characterized by morphological features including antennae with thickened basal segments. The tribe includes genera such as Monochamus, Mecynippus, and Mimothestus. Members of this tribe have been subject to taxonomic revision due to historical confusion in generic boundaries.
Monochamus
sawyer beetles, sawyers
Monochamus is a large genus of longhorn beetles (Cerambycidae) distributed worldwide. Commonly known as sawyer beetles, species in this genus are characterized by larvae that bore into dead or dying coniferous trees, particularly pines. Several species serve as vectors for the pine wood nematode (Bursaphelenchus xylophilus), the causative agent of pine wilt disease. The genus exhibits strong sexual dimorphism in antennae length, with males typically bearing antennae twice as long as their bodies.
Nathrius
Nathrius is a genus of longhorn beetles in the subfamily Cerambycinae, tribe Psebiini. The genus contains three described species, including the widely distributed N. brevipennis, which has been introduced to Australia. Members are small cerambycids with reduced elytra exposing part of the abdomen.
Neaneflus
Neaneflus is a genus of longhorn beetles (Cerambycidae) established by Linsley in 1957. The genus contains two described species: N. brevispinus (Chemsak, 1962) and N. fuchsii (Wickham, 1905). It is classified within the tribe Elaphidiini, a diverse group of cerambycine beetles often characterized by their association with woody plants. The genus is rarely encountered, with limited biological and ecological documentation.
Neanthophylax
Neanthophylax is a genus of longhorn beetles in the family Cerambycidae, tribe Oxymirini. The genus was established by Linsley and Chemsak in 1972 and contains at least four described species distributed across North America, with one species extending into Central America. Members of this genus are classified within the subfamily Lepturinae, a group characterized by adults that often visit flowers.
Necydalinae
Necydalinae is a small subfamily of longhorn beetles (Cerambycidae) historically classified as a tribe within Lepturinae but now recognized as a distinct subfamily. The group is characterized by unusually short elytra for cerambycids, giving them a superficial resemblance to rove beetles (Staphylinidae). Most species are bee or wasp mimics. The subfamily contains only two genera: Necydalis (Europe, Asia, North America) and Ulochaetes (western North America).
Neocompsa
Neocompsa is a genus of longhorn beetles (Cerambycidae) established by Martins in 1965. It belongs to the tribe Tropidini within the subfamily Cerambycinae. The genus is part of the diverse New World cerambycid fauna, with species occurring primarily in the Neotropical region.
Neoxoplus
Neoxoplus is a genus of longhorn beetles (Cerambycidae) established by Eya in 2019. It belongs to the tribe Trachyderini within the subfamily Cerambycinae. The genus appears to be recently described with limited published documentation. Based on its tribal placement, members likely exhibit characteristics common to Trachyderini, though species-level details remain sparse.
Obriini
Obriini is a tribe of longhorn beetles (Cerambycidae) in the subfamily Cerambycinae. The tribe is represented in Argentina by the genus Obrium, which includes at least eight species in that country. Members of this tribe are small to medium-sized cerambycids with elongated bodies.
Oplosia
Oplosia is a genus of longhorn beetles (Cerambycidae) in the tribe Acanthoderini. The genus contains three described species: Oplosia cinerea, Oplosia nubila, and Oplosia suvorovi. Members of this genus belong to the subfamily Lamiinae, one of the most diverse lineages within the longhorn beetle family. The genus was established by Mulsant in 1862.
Orwellion
Orwellion is a genus of longhorn beetles in the family Cerambycidae, established by Skiles in 1985. The genus belongs to the tribe Elaphidiini within the subfamily Cerambycinae. It contains four described species distributed in western North America. The genus name is derived from George Orwell, the English author.
Osmidus
Osmidus is a genus of longhorn beetles in the family Cerambycidae, established by LeConte in 1873. The genus is monotypic, containing only the single species Osmidus guttatus. It belongs to the subfamily Cerambycinae and tribe Hesperophanini. The genus has been documented in 76 iNaturalist observations.
Oxymirini
Oxymirini is a tribe of longhorn beetles (Cerambycidae) in the subfamily Lepturinae. The tribe contains a small number of genera, with Oxymira being the most notable. Members of this tribe are associated with coniferous forests and are characterized by their distinctive morphology within the flower longhorn group. The tribe has a primarily Holarctic distribution, with species found across northern regions of Eurasia and North America.
Parandrinae
Parandrinae is a morphologically distinctive subfamily of longhorn beetles (Cerambycidae) comprising approximately 14 genera and over 120 described species worldwide. The group is notable for its atypical features among cerambycids: short, equal-segmented antennae rather than the elongated antennae characteristic of most longhorn beetles, and distinctly pentamerous tarsi with five visible segments. These traits produce a remarkable superficial resemblance to stag beetles (Lucanidae), leading to frequent misidentification. The subfamily has a disjunct global distribution with centers of diversity in South America and Africa, while North America contains only four taxa. Two tribes are recognized: Erichsoniini and Parandrini.
Parmenini
Parmenini is a tribe of longhorn beetles within the subfamily Lamiinae of the family Cerambycidae. The tribe contains approximately 80 genera distributed across multiple continents, with representatives in North America, South America, Europe, Asia, and Australasia. Members exhibit considerable morphological diversity, ranging from small to moderately sized beetles with varied body forms and antennal lengths. The tribe was taxonomically treated by Linsley and Chemsak (1984) in their comprehensive monograph of North American Cerambycidae.
Parmenosoma
Parmenosoma is a genus of longhorn beetles in the subfamily Lamiinae, tribe Parmenini. It contains two described species: P. griseum and P. villosa. The genus was established by Schaeffer in 1908.
Pentanodes
Pentanodes is a genus of longhorn beetles (Cerambycidae) established by Schaeffer in 1904. The genus belongs to the tribe Tillomorphini within the subfamily Cerambycinae. Two species are currently recognized: Pentanodes albofasciatus (Fisher, 1932) and Pentanodes dietzii (Schaeffer, 1904). The genus is poorly documented in scientific literature, with limited information available on its biology and ecology.
Peritapnia
Peritapnia is a genus of longhorn beetles (Cerambycidae) in the tribe Acanthoderini. The genus was established by Horn in 1894 and contains four described species distributed in western North America. Members are small to medium-sized cerambycids with affinities to other Acanthoderini genera.
Phaea
Phaea is a genus of longhorn beetles (family Cerambycidae, subfamily Lamiinae) established by Newman in 1840. It belongs to the tribe Tetraopini and is characterized by morphological features typical of this group. The genus has been recorded from Colombia based on distribution data.
Phoracanthini
Phoracanthini is a tribe of longhorn beetles in the subfamily Cerambycinae, containing twelve recognized genera distributed primarily across the Australasian, Oriental, and Indo-Pacific regions. The tribe includes economically significant genera such as Phoracantha, known for their association with Eucalyptus trees. Member genera exhibit substantial diversity in body form and elytral patterning, with many species displaying distinctive spotted or banded coloration.
Piezocera
Piezocera is a genus of longhorn beetles (Cerambycidae) in the tribe Piezocerini, established by Audinet-Serville in 1834. The genus contains at least fifteen described species, with three new species described in 2025 from Brazil and Bolivia. South America exhibits the highest species richness for the genus, with potential distribution modeling indicating suitability across most of the continent except the Andes region and most of Argentina.
Plectromerini
Plectromerini is a monotypic tribe of longhorn beetles (Cerambycidae) within the subfamily Cerambycinae. The tribe contains only the genus Plectromerus, which comprises several species of wood-boring beetles. These beetles are characterized by their elongated bodies and antennae typical of the Cerambycidae family.
Plectrura
Plectrura is a genus of longhorn beetles in the subfamily Lamiinae, tribe Parmenini. The genus was established by Mannerheim in 1852 and contains at least two species: Plectrura spinicauda and Plectrura metallica. Members of this genus are classified within the diverse cerambycid fauna of the Holarctic region.
Poecilium
Poecilium is a subgenus of longhorn beetles (Cerambycidae) classified within the genus Phymatodes. It contains at least 20 described species. Members are wood-boring beetles in the tribe Callidiini, subfamily Cerambycinae. The subgenus was established by Fairmaire in 1868.
Pogonocherini
Pogonocherini is a tribe of longhorn beetles (Cerambycidae) within the subfamily Lamiinae. The tribe comprises approximately 18 genera distributed primarily in the Nearctic and Neotropical regions. Members are generally small to medium-sized cerambycids with varied morphological adaptations. The genus Pogonocherus is the type genus and among the most species-rich in the tribe.
Poliaenus
Poliaenus is a genus of longhorn beetles in the subfamily Lamiinae, tribe Pogonocherini. The genus was established by Bates in 1880 and contains approximately 11 species distributed primarily in western North America. Species in this genus are associated with coniferous and hardwood trees, with several species named after their host associations.
Prioninae
Tooth-necked and Aberrant Longhorn Beetles, prionids
Prioninae is a subfamily of long-horned beetles (Cerambycidae) comprising large, robust beetles typically measuring 25–70 mm. They are distinguished by males of several genera possessing enlarged mandibles used in male-male combat, analogous to stag beetles. Most species are nocturnal and attracted to light. Larvae are wood-borers, with the majority of documented species feeding on rotting wood or roots.
Prionini
Prionini is a tribe of large, robust longhorn beetles (Cerambycidae: Prioninae) characterized by their substantial body size, strong mandibles, and often somber coloration. Members of this tribe are distinguished from other Prioninae by their relatively small compound eyes, an adaptation associated with diurnal activity patterns. The tribe includes several genera distributed across the Holarctic and Oriental regions, with taxonomic revisions ongoing due to the group's morphological diversity and historical classification challenges.
Psebiini
Psebiini is a tribe of longhorn beetles in the subfamily Cerambycinae. The tribe comprises approximately 25 genera distributed across multiple continents, with notable diversity in the Afrotropical, Oriental, and Australasian regions. Several genera were described or revised in the 21st century, indicating ongoing taxonomic refinement. The tribe includes both small-bodied genera such as Nathrius and larger forms such as Macropsebium.
Psyrassa
Psyrassa is a genus of longhorn beetles (Cerambycidae) in the tribe Elaphidiini. Species in this genus are small to medium-sized cerambycids with elongated bodies. The genus was established by Francis Pascoe in 1866 and is distributed in the Americas. Members are attracted to fermented bait traps, suggesting adult feeding on sugary or fermenting substances.
Pteropliini
Pteropliini is a tribe of longhorn beetles within the subfamily Lamiinae (Cerambycidae). Members of this tribe are characterized by their elongated antennae and typically robust body forms typical of flat-faced longhorns. The tribe contains multiple genera distributed across tropical and subtropical regions, with some species extending into temperate zones.