Cerambycidae
Guides
Saperda moesta moesta
A North American subspecies of longhorn beetle in the family Cerambycidae. Adults are characterized by elongated bodies with exceptionally long antennae typical of the family. The subspecific status indicates geographic variation within the broader species Saperda moesta, which belongs to a genus known for wood-boring larvae that develop in living or stressed trees.
Saperda moesta tulari
Saperda moesta tulari is a subspecies of longhorned beetle in the family Cerambycidae, subfamily Lamiinae. Described by Joutel in 1904, this taxon is currently recognized as an accepted subspecies of Saperda moesta. The subspecies belongs to a genus of flat-faced longhorns known for their association with woody host plants. Distribution records indicate presence in Canada and the conterminous United States.
Saperda mutica
Saperda mutica is a longhorned beetle species in the family Cerambycidae, described by Thomas Say in 1824. It is native to North America, with records from Canada and the United States. Like other members of the genus Saperda, it is a wood-boring beetle whose larvae develop in living or stressed trees. The species is part of a taxonomically challenging genus where species identification often requires careful examination of morphological details.
Saperda populnea
small poplar borer
Saperda populnea is a longhorn beetle (Cerambycidae) that forms distinctive woody galls on twigs of poplars and willows. The species was described by Linnaeus in 1758 and has a broad distribution across the Northern Hemisphere. Females create characteristic horseshoe-shaped cuts on host twigs where eggs are deposited, leading to gall formation. The beetle is of economic concern in hybrid aspen plantations due to damage to young trees.
Saperda puncticollis
Woodbine Borer
Saperda puncticollis is a longhorned beetle species in the family Cerambycidae, described by Thomas Say in 1824. Commonly known as the Woodbine Borer, this species occurs in Canada and the United States. Like other members of the genus Saperda, it is a wood-boring beetle whose larvae develop within living or stressed woody plants.
Saperda tridentata
elm borer
Saperda tridentata, commonly known as the elm borer, is a longhorn beetle (Cerambycidae) native to North America. The species was described by Guillaume-Antoine Olivier in 1795. It is notable for its specialized association with elm species (Ulmus), serving as both a direct pest and a vector of Dutch elm disease. The beetle's life cycle involves larval tunneling in cambium and sapwood, creating characteristic U-shaped galleries. It also acts as a host for the parasitoid wasp Cenocoelius saperdae.
Saperda vestita
Linden Borer
Saperda vestita is a longhorned beetle (Cerambycidae) native to North America, commonly known as the Linden Borer. The species was described by Thomas Say in 1824. Adults have been recorded from willow trees, and the species has been the subject of gut microbiome research comparing its bacterial associates to those of other wood-boring beetles.
Saperdini
Saperdini is a tribe of longhorn beetles (Cerambycidae) within the subfamily Lamiinae. The tribe includes numerous genera distributed across Asia, with many species characterized by distinctive scale patterns and coloration. Members of this tribe are primarily documented through taxonomic revisions focused on morphology and geographic distribution, with limited published ecological data available.
Sarosesthes
Sarosesthes is a monotypic genus of longhorn beetles (family Cerambycidae) containing a single described species, Sarosesthes fulminans. The genus is classified within the tribe Clytini, a group known for wood-boring larvae and often striking adult coloration. The sole species has been documented in eastern North America, where adults have been collected using fermenting bait traps and ultraviolet light traps.
Sarosesthes fulminans
Fulminating Long-horned Beetle
Sarosesthes fulminans is a North American long-horned beetle in the family Cerambycidae. It belongs to the tribe Clytini and has been recorded from Canada and the United States. The species has been collected using fermenting bait traps, a method commonly employed for cerambycid beetles. It is one of several desirable species targeted by collectors using this technique.
Scaphinus
Scaphinus is a monotypic genus of long-horned beetles (Cerambycidae) established by LeConte in 1851. The genus contains a single described species, Scaphinus muticus. It belongs to the subfamily Spondylidinae and tribe Spondylidini. The genus is represented by limited observational records.
Schizax
Schizax is a genus of longhorn beetles (Cerambycidae) established by LeConte in 1873. It is monotypic, containing only the single species Schizax senex. The genus is placed in the subfamily Cerambycinae and tribe Trachyderini.
Schizax senex
Schizax senex is a species of longhorn beetle (Cerambycidae) and the sole member of the monotypic genus Schizax. The species was described by John Lawrence LeConte in 1873. It belongs to the tribe Trachyderini within the subfamily Cerambycinae. Based on distribution records, it occurs in the United States.
Semanotus
Semanotus is a genus of longhorn beetles (Cerambycidae) described by Étienne Mulsant in 1839. Species within this genus are primarily wood-boring pests of coniferous trees, with documented associations including juniper, fir, cedar, cryptomeria, and cypress. Several species cause significant economic damage to timber and ornamental plantings. The genus has a broad distribution spanning North America, Europe, Asia, and North Africa, with at least 19 recognized species.
Semanotus amethystinus
Amethyst Cedar Borer
Semanotus amethystinus is a longhorned beetle in the family Cerambycidae, commonly known as the Amethyst Cedar Borer. The species is native to western North America and has been introduced to Hawaii. Adults are typically found on or near their coniferous host trees, particularly junipers and cedars. Larvae develop as wood-borers in the trunks and larger limbs of living or stressed trees, creating galleries packed with frass.
Semanotus amplus
Semanotus amplus is a species of longhorned beetle (family Cerambycidae) in the tribe Callidiini. It is a wood-boring beetle associated with coniferous hosts, particularly junipers. The species was described by Casey in 1912 and is known from western North America. Field observations indicate it infests living or recently dead wood, with larvae creating galleries in the sapwood. Adults have been encountered at night on host tree trunks.
Semanotus conformis
Semanotus conformis is a species of longhorned beetle (family Cerambycidae) in the tribe Callidiini, described by Casey in 1924. It belongs to a genus of wood-boring beetles that infest conifers, particularly junipers and related Cupressaceae. The species is poorly documented in the available literature, with minimal published information on its biology, distribution, and host associations. Available records suggest it occurs in the western United States.
Semanotus japonicus
sugi bark borer, Cryptomeria bark borer
Semanotus japonicus is a cerambycid beetle native to Japan that attacks living Japanese cedar (Cryptomeria japonica). Larvae feed primarily within the inner bark of trunks, where they are vulnerable to drowning by resin flow. The species exhibits a transitional ecological state between primary and secondary bark borer, requiring adequate host nutrition but lacking defenses against host resin defenses. Adults are relatively sedentary, with limited between-tree movement and nocturnal mating activity concentrated from sunset to sunrise.
Semanotus juniperi
Semanotus juniperi is a rare longhorned beetle (family Cerambycidae) in the tribe Callidiini. It was described by Fisher in 1915 and was long considered endemic to the Santa Catalina Mountains in Arizona. Recent field observations have documented the species in additional locations in northern Arizona and southern Nevada, where it develops in large limbs of Utah juniper (Juniperus osteosperma). Adults are large, black beetles that are rarely encountered alive; most records come from rearing larvae from infested wood or from dead adults found in emergence holes.
Semanotus ligneus
Cedar Tree Borer
Semanotus ligneus is a species of longhorned beetle in the family Cerambycidae, commonly known as the Cedar Tree Borer. It is native to North America and has been recorded from multiple Canadian provinces including Manitoba, New Brunswick, Nova Scotia, and Ontario. The species belongs to the tribe Callidiini, which includes many wood-boring beetles associated with coniferous trees.
Semanotus litigiosus
Firtree Borer
Semanotus litigiosus is a longhorn beetle (Cerambycidae) known as the firtree borer, found in the coniferous forest belt of North America. The species is a wood-boring pest of white fir (Abies concolor), with larvae causing significant damage to windthrown timber by excavating galleries in the phloem and boring deep into the sapwood to construct pupal chambers. Adults emerge in spring and lay eggs in bark crevices, with a life cycle spanning approximately one year.
Semanotus terminatus
Semanotus terminatus is a species of longhorned beetle (family Cerambycidae) in the tribe Callidiini. It is native to North America with confirmed records from multiple Canadian provinces including Alberta, British Columbia, Manitoba, New Brunswick, and Nova Scotia. As a member of the genus Semanotus, it is presumed to be associated with coniferous hosts, though specific biological details for this species remain poorly documented in published literature. The species was described by Casey in 1912.
Smodicini
Smodicini is a tribe of longhorn beetles within the subfamily Cerambycinae, family Cerambycidae. The tribe comprises approximately 10 genera distributed across multiple continents, with the genus Smodicum being the most species-rich. Members are small to medium-sized cerambycids with somewhat flattened bodies. Many species exhibit cucujiform (flattened, elongate) body shapes reminiscent of cucujid beetles, a trait reflected in species epithets such as Smodicum cucujiforme.
Smodicum
Smodicum is a genus of longhorn beetles (family Cerambycidae) in the tribe Smodicini, subfamily Cerambycinae. The genus was established by Haldeman in 1847. Species in this genus are attracted to ethanol-based baits and have been documented in blacklight collections in riparian woodland habitats. One species, Smodicum cucujiforme, has been recorded from northwestern Oklahoma.
Smodicum cucujiforme
Flat Oak Borer
Smodicum cucujiforme, commonly known as the Flat Oak Borer, is a species of longhorn beetle in the family Cerambycidae. It was first described by Thomas Say in 1826, originally placed in the genus Callidium. The species is known from North and South America, with records from the United States, Canada (Ontario), and Argentina. It is attracted to ultraviolet and mercury-vapor lights, and has been captured in baited jug traps using ethanol and wine mixtures.
Smodicum pacificum
Smodicum pacificum is a species of longhorn beetle (family Cerambycidae) described by Linsley in 1934. It belongs to the tribe Smodicini within the subfamily Cerambycinae. The species has been recorded from North America and Middle America, with specific distribution including Mexico and the United States. Very few observations exist in public databases, suggesting it is rarely encountered or understudied.
Solenopterini
Solenopterini is a tribe of longhorn beetles within the subfamily Prioninae. Members are characterized by robust, often large-bodied forms adapted to wood-boring life histories. The tribe includes several genera distributed primarily in the Neotropical region, with some representation in the Nearctic. Solenopterini species are associated with dead or decaying hardwoods and are of occasional economic significance as timber pests.
Spalacopsis
Spalacopsis is a genus of longhorn beetles in the family Cerambycidae, subfamily Agapanthiinae. The genus contains approximately 17 described species distributed across the Americas, from the southern United States through Central America to South America. Species were described between 1829 and 1973, with several named by Tyson in the early 1970s. The genus is part of the tribe Agapanthiini, a group of cerambycids often associated with herbaceous vegetation.
Spalacopsis filum
Spalacopsis filum is a species of longhorn beetle (Cerambycidae) first described by Johann Christoph Friedrich Klug in 1829. The species belongs to the subfamily Agapanthiinae and is native to the Caribbean region. Limited biological information is available for this species.
Spalacopsis filum costulata
Spalacopsis filum costulata is a subspecies of longhorn beetle (family Cerambycidae) described by Casey in 1913. It belongs to the subfamily Agapanthiinae and tribe Agapanthiini. As a cerambycid, it is characterized by elongated antennae, though specific morphological traits distinguishing this subspecies from the nominate form remain poorly documented in accessible literature.
Spalacopsis stolata
Spalacopsis stolata is a longhorn beetle (Cerambycidae) described by Newman in 1842. It belongs to the subfamily Agapanthiinae and is native to the continental United States. The species is known from limited occurrence records and sparse observational data.
Spalacopsis suffusa
Spalacopsis suffusa is a species of longhorn beetle (Cerambycidae) first described by Newman in 1842. It belongs to the subfamily Agapanthiinae and tribe Agapanthiini. The species is known from North America, with presence confirmed in the United States. Available records indicate it is a rarely observed species, with only four documented observations in iNaturalist.
Spalacopsis texana
Spalacopsis texana is a species of longhorn beetle in the family Cerambycidae, described by Thomas L. Casey in 1891. It belongs to the subfamily Agapanthiinae and tribe Agapanthiini. The species is known from the southern United States and Mexico. Like other members of its genus, it is likely associated with woody vegetation, though specific ecological details remain poorly documented.
Sphaenothecus
Sphaenothecus is a genus of longhorn beetles (family Cerambycidae) in the tribe Trachyderini. The genus was established by Dupont in 1838 and contains seven recognized species distributed in North and Central America. Members of this genus are associated with flowering plants in arid and semi-arid regions. The genus is part of the diverse cerambycid fauna of the southwestern United States and Mexico.
Sphaenothecus cylindricollis
Sphaenothecus cylindricollis is a species of longhorn beetle in the family Cerambycidae, subfamily Cerambycinae, tribe Trachyderini. Described by Casey in 1924, this species belongs to a genus of trachyderine cerambycids distributed in North America. The genus Sphaenothecus contains species that are typically associated with flowering plants, where adults are often found feeding on pollen and nectar.
Sphaenothecus trilineatus
Sphaenothecus trilineatus is a longhorn beetle in the family Cerambycidae, described by Dupont in 1838. It belongs to the tribe Trachyderini, a group of often colorful and robust cerambycids. The species occurs in Central America, with records from Costa Rica, Guatemala, and Honduras. Little is known of its specific biology beyond general family characteristics.
Sphaerion
Sphaerion is a genus of longhorn beetles (Cerambycidae) in the tribe Elaphidiini. The genus contains six described species distributed in the Neotropical region, with records from Colombia and parts of South America. Species were described between 1834 and 1903. Members of this genus are part of the diverse cerambycid fauna associated with woody vegetation.
Stenaspis
Stenaspis is a genus of longhorn beetles (family Cerambycidae) established by Audinet-Serville in 1834. The genus comprises seven recognized species distributed across North and Central America. Members are robust, medium-to-large cerambycids associated with woody vegetation, particularly leguminous trees and shrubs. Several species have been documented from Arizona and the southwestern United States, where they occur in desert scrub and oak woodland habitats.
Stenaspis solitaria
Stenaspis solitaria is a longhorn beetle species in the family Cerambycidae, described by Thomas Say in 1824. It occurs in the southwestern United States and Mexico, where it has been collected from various woody hosts including Acacia species and Baccharis sarothroides. Field observations indicate adults are active during summer months, particularly July and August, and are often found by beating vegetation or sweeping flowering plants.
Stenaspis verticalis
Stenaspis verticalis is a species of longhorn beetle in the family Cerambycidae, described by Audinet-Serville in 1834. It belongs to the tribe Trachyderini, a group known for robust, often strikingly patterned beetles. Field observations indicate this species is closely associated with Baccharis sarothroides (desert broom), on which adults have been found resting and mating. The species occurs in the southwestern United States and Mexico, with documented records from Arizona and potentially extending into Central America.
Stenaspis verticalis arizonicus
Stenaspis verticalis arizonicus is a subspecies of longhorn beetle in the family Cerambycidae, subfamily Cerambycinae, tribe Trachyderini. It was described by Casey in 1912 and is known from the southwestern United States and Mexico. The subspecies is associated with desert scrub and woodland habitats, particularly in Arizona and adjacent regions. Adults have been observed on Baccharis sarothroides (desert broom), where mating pairs have been documented.
Stenaspis verticalis insignis
Red-headed Beauty
Stenaspis verticalis insignis is a subspecies of longhorn beetle in the family Cerambycidae, tribe Trachyderini. It occurs in the southwestern United States and Mexico. The species was collected during a 2018 Arizona collecting trip in the Santa Rita Mountains, where specimens were found on Baccharis sarothroides (desert broom). The subspecies is characterized by its distinctive coloration, which includes a red head in adults.
Stenelaphus
Stenelaphus is a monotypic genus of longhorn beetles (Cerambycidae) in the tribe Elaphidiini, containing a single species, Stenelaphus alienus. The genus was established by Linsley in 1936. Based on collection records from Arizona, adults have been observed at ultraviolet lights in montane canyon habitats during summer months, suggesting nocturnal activity patterns typical of many cerambycid beetles.
Stenelytrana gigas
Gigas Longhorn Beetle
Stenelytrana gigas is a species of flower longhorn beetle in the family Cerambycidae, found in North America. The species is characterized by its relatively large size among lepturine longhorns and its association with flowers as an adult. It belongs to a genus of flower-visiting cerambycids that are attracted to diverse floral resources. The species has been documented in both the United States and Mexico, with adults typically active during the warmer months. It is one of several Stenelytrana species in North America, distinguished by its size and morphological features.
Stenhomalus
Stenhomalus is a genus of longhorn beetles (Cerambycidae) established by White in 1855. The genus belongs to the tribe Stenhomalini within the subfamily Cerambycinae. Species in this genus are characterized by their relatively small size and slender body form compared to many other cerambycids. The genus has been documented across multiple continents with records in Asia and Africa.
Stenhomalus taiwanus
Stenhomalus taiwanus is a species of longhorn beetle in the family Cerambycidae, described by Matsushita in 1933. The species is native to East Asia and has been recorded from Taiwan, Japan, South Korea, and mainland China. It belongs to the tribe Stenhomalini, a group of small to medium-sized cerambycine beetles. The specific epithet refers to Taiwan, where the species was first described.
Stenocorus cinnamopterus
Cinnamon-winged Flower Longhorn
Stenocorus cinnamopterus is a longhorn beetle in the family Cerambycidae, commonly known as the Cinnamon-winged Flower Longhorn. The species is characterized by brown body coloration with distinctive orange legs. It occurs in the northeastern United States and adjacent Canada. Adults are associated with flowers and are attracted to fermenting baits.
Stenocorus copei
Stenocorus copei is a species of longhorned beetle in the family Cerambycidae, described by Linsley and Chemsak in 1972. It belongs to the subfamily Lepturinae and tribe Rhagiini. The species is considered rare and has been collected in high-elevation coniferous forests of the southwestern United States. Field observations indicate it is attracted to sweet red wine-baited traps hung in Gambel oak (Quercus gambelii) along the margins of alpine coniferous forest.
Stenocorus nubifer
Stenocorus nubifer is a species of longhorn beetle (family Cerambycidae) distributed across western North America. The species exhibits variable coloration, with individuals being either black or brown. As a member of the subfamily Lepturinae, it belongs to a group commonly known as flower longhorns, though specific floral associations for this species remain undocumented.
Stenocorus schaumii
Schaum's Longhorn Beetle
Stenocorus schaumii is a medium-sized longhorn beetle in the family Cerambycidae, measuring 17–29 mm in length. Adults exhibit variable coloration, appearing either black or brownish-red. The species shares diagnostic morphological features with other members of its genus, including wide shoulders and tuberculated lateral pronotal margins. Larval development occurs in hardwood trees, with documented feeding on Fraxinus (ash), maple, and other hardwood genera.