Curculionidae
Guides
Bagous restrictus
Bagous restrictus is a small weevil native to North America that has become notable for its exclusive association with the invasive aquatic plant Hydrilla verticillata. It is the only native Bagous species known to utilize this introduced weed as a host. The beetle completes its entire life cycle within Hydrilla tissues, with larvae feeding and developing inside stems and tubers. Its native status and host specificity distinguish it from two introduced biological control agents (Bagous hydrillae and B. affinis) that also target Hydrilla.
Bagous transversus
Bagous transversus is a species of weevil in the family Curculionidae, described by LeConte in 1876. It is known from North America, with records from multiple Canadian provinces including Alberta, British Columbia, Manitoba, and Nova Scotia. The genus Bagous comprises aquatic or semi-aquatic weevils commonly associated with wetland habitats.
Bagous tuberosus
Bagous tuberosus is a species of true weevil in the family Curculionidae, described by O'Brien & Wibmer in 1982. It is known to occur in North America. The genus Bagous comprises weevils typically associated with aquatic or semi-aquatic habitats, though specific ecological details for this species remain poorly documented.
Bangasternus orientalis
yellow starthistle bud weevil
Bangasternus orientalis is a small true weevil (Curculionidae) used as a biological control agent against the invasive weed yellow starthistle (Centaurea solstitialis). Native to southern Europe and the Mediterranean, it was introduced to the United States in 1985 and has become established throughout the western United States. Adults feed on leaves and flower buds, while larvae develop within flower heads and consume developing seeds, destroying 50-60% of seeds in infested heads.
Baridini
flower weevils
Baridini is a tribe of flower weevils within the weevil family Curculionidae, comprising approximately 16 genera and at least 40 described species. Members of this tribe are characterized by their association with flowers and floral structures. The tribe includes genera such as Baris, Trichobaris, and Eurhinus, which are distributed across multiple continents.
Barilepis grisea
flower weevil
Barilepis grisea is a species of flower weevil in the beetle family Curculionidae, first described by Casey in 1920. The species is provisionally accepted in taxonomic databases and is known to occur in North America. As a member of the Curculionidae, it possesses the characteristic elongated snout (rostrum) typical of weevils.
Barilepton
flower weevils
Barilepton is a genus of weevils in the family Curculionidae, established by John Lawrence LeConte in 1876. The genus contains approximately 13 described species, commonly referred to as flower weevils. Members of this genus are part of the diverse and economically significant weevil family, though specific biological details for the genus remain poorly documented. The genus is represented by very few observation records, suggesting it may be rarely encountered, understudied, or restricted to specific habitats.
Barilepton albescens
Barilepton albescens is a species of weevil in the family Curculionidae, first described by John Lawrence LeConte in 1880. The genus Barilepton is classified within the superfamily Curculionoidea. This species is provisionally accepted in taxonomic databases, indicating that its classification may require further verification. Beyond basic taxonomic placement, specific biological and ecological information for this species remains sparse in the available literature.
Barilepton quadricolle
flower weevil
Barilepton quadricolle is a species of flower weevil in the beetle family Curculionidae. It was described by LeConte in 1876 and is found in North America. As a member of Curculionidae, it possesses the characteristic elongated snout (rostrum) typical of weevils. The genus Barilepton is a small group within the diverse flower weevil assemblage.
Barinus
Barinus is a genus of flower weevils in the family Curculionidae, established by Thomas L. Casey in 1886. The genus comprises approximately 14 described species distributed in North America. Members of this genus are associated with flowering plants, consistent with the common name 'flower weevils'. The genus has been documented through limited observational records.
Barinus cribricollis
flower weevil
Barinus cribricollis is a species of flower weevil in the family Curculionidae, described by Blatchley and Leng in 1916. The species belongs to a genus of weevils associated with flowers. Records indicate presence in North America, including Québec, Canada.
Barinus linearis
flower weevil
Barinus linearis is a species of flower weevil in the beetle family Curculionidae. It was described by Blatchley and Leng in 1916. The species is known from North America. As a member of the flower weevil group, it is likely associated with flowers, though specific host plant relationships have not been documented.
Baris
Baris is a genus of true weevils in the family Curculionidae, first described by Germar in 1817. The genus comprises small to medium-sized weevils characterized by their typical curculionid body plan with an elongated rostrum. Species within Baris are associated with various host plants, with some species documented as pests of agricultural crops including sunflowers. The genus has a primarily Nearctic distribution, with species occurring across North America.
Baris dilatata
Baris dilatata is a species of flower weevil in the beetle family Curculionidae, described by Thomas L. Casey in 1892. It is distributed across North America. As a member of the genus Baris, it belongs to a group commonly referred to as flower weevils, though specific details regarding its biology and ecology remain poorly documented in available literature.
Baris heterodoxa
flower weevil
Baris heterodoxa is a species of flower weevil in the beetle family Curculionidae, first described by H.C. Fall in 1902. The species is found in North America and belongs to the genus Baris, a group of weevils commonly associated with flowers. Very little is known about its specific biology, host associations, or ecological role.
Baris interstitialis
flower weevil
Baris interstitialis is a species of flower weevil in the family Curculionidae. It has been recorded from North America, with specific distribution records from Ontario, Québec, and Saskatchewan in Canada. The species has been documented on Ceanothus americanus, suggesting an association with this plant host. As a member of the genus Baris, it belongs to a group of weevils commonly known as flower weevils.
Baris monticola
flower weevil
Baris monticola is a species of flower weevil in the family Curculionidae, first described by Henry Clinton Fall in 1901. It belongs to the genus Baris, a group of weevils commonly associated with flowers. The species is recorded from North America, though specific details about its biology and ecology remain poorly documented in available literature.
Baris rubripes
flower weevil
Baris rubripes is a species of flower weevil in the beetle family Curculionidae, first described by Hustache in 1924. The genus Baris belongs to the large and diverse weevil family, whose members are characterized by their elongated snouts (rostra) and often exhibit specialized relationships with flowering plants. As a flower weevil, this species likely utilizes floral resources, though specific ecological details remain poorly documented. The species is provisionally accepted in taxonomic databases, indicating some uncertainty regarding its taxonomic status or the need for further revisionary work.
Baris strenua
Sunflower root weevil
Baris strenua is a species of weevil in the family Curculionidae, first described by Champion in 1909. It is commonly known as the sunflower root weevil and is recognized as a pest of cultivated sunflowers in North America. The species is native to North America with confirmed records from Manitoba, Canada. Adults feed on sunflower foliage, causing minor damage, while larvae develop on roots and can cause significant wilting and lodging of plants. Despite its potential as a pest, economic thresholds for insecticide application have not been established, and control measures are generally not warranted.
Baris striata
flower weevil
Baris striata is a species of flower weevil in the beetle family Curculionidae. It was described by Blatchley and Leng in 1916. The species is known from North America, with distribution records from Manitoba and Ontario in Canada.
Baris transversa
transverse flower weevil
Baris transversa is a species of flower weevil in the beetle family Curculionidae. It is found in North America. The species was first described by Thomas Say in 1832.
Baris umbilicata
flower weevil
Baris umbilicata is a species of flower weevil in the beetle family Curculionidae, originally described by LeConte in 1858. It is native to North America. Like other members of the genus Baris, this species is associated with flowers, though specific ecological details remain poorly documented. The species is represented by limited observational records, with only three observations documented on iNaturalist.
Barynotus
Barynotus is a genus of broad-nosed weevils (Curculionidae: Entiminae) comprising 25 species distributed primarily in the Palaearctic region. These are relatively large weevils with predominantly nocturnal activity patterns. The genus exhibits diverse reproductive strategies, with some species being amphigonic and others parthenogenetic.
Brachyderes
Brachyderes is a genus of broad-nosed weevils in the family Curculionidae, tribe Brachyderini. The genus contains at least nine described species distributed across Europe, with records from Scandinavia, the British Isles, Iberia, and other regions. Species such as Brachyderes incanus and Brachyderes lusitanicus are among the better-known members. The genus was established by Schönherr in 1823.
Brachyderes incanus
Pine Weevil, White Pine Weevil
Brachyderes incanus is a weevil species in the family Curculionidae. Adults are primarily associated with coniferous trees, particularly pines. The species has a broad distribution across parts of Europe and Asia. Larval development occurs in roots and root collars of host trees, where feeding damage can be significant.
Brachyderini
Brachyderini is a tribe of weevils within the subfamily Entiminae (broad-nosed weevils), characterized by a relatively short, broad rostrum compared to other weevil groups. The tribe contains approximately 28 genera distributed across the Holarctic region, with notable genera including Brachyderes, Strophosoma, and Neliocarus. Members of this tribe are primarily associated with temperate forest and woodland habitats.
Brachyogmus ornatus
Brachyogmus ornatus is a species of weevil in the family Curculionidae, described by Linell in 1897. It is provisionally accepted in taxonomic databases and is known from North America. The genus Brachyogmus is part of the diverse weevil superfamily Curculionoidea. Very little is known about the specific biology or ecology of this species, with only six observations recorded in iNaturalist as of the available data.
Brachysomus echinatus
Brachysomus echinatus is a European weevil species in the family Curculionidae, subfamily Entiminae. First described by Bonsdorff in 1785, it was established as the senior synonym of B. hirsutus in a 2022 taxonomic revision. The species has been documented across northern and eastern Europe including Russia (Adygey, Altay, Arkhangel'sk, Bashkortostan, Buryat) and is one of 56 species included in a comprehensive morphological review of the genus.
Brachystylus
Brachystylus is a genus of weevils in the family Curculionidae, subfamily Entiminae, and tribe Eustylini. The genus was described by Schönherr in 1845. Members of this genus are broad-nosed weevils, a group characterized by their short, broad rostrums. The genus has been documented in iNaturalist with 191 observations, indicating moderate recognition among naturalists.
Brachystylus sayi
Banded Persimmon Weevil
Brachystylus sayi, commonly known as the Banded Persimmon Weevil, is a species of broad-nosed weevil in the family Curculionidae. The species was described by Alonso-Zarazaga in 1994 and belongs to the subfamily Entiminae, tribe Eustylini. It is one of the species within the genus Brachystylus, a group of weevils associated with persimmon and related host plants.
Braconinae
Braconinae is a large subfamily of braconid parasitoid wasps comprising more than 2,000 described species. Members are small to medium-sized wasps, typically dark in coloration though some exhibit red, orange, or pale coloration. They possess cyclostome mouthparts and females usually have a long ovipositor. The subfamily is found worldwide with highest diversity in the Paleotropical region.
parasitoididiobiontectoparasitoidbiocontrolcyclostomeovipositorPaleotropical-diversityLepidoptera-parasitoidColeoptera-parasitoidconcealed-host-larvaevenom-paralysisBracon-brevicornisAtanycolusBaryproctusBraconCeratobraconCoeloidesGlyptomorphaIphiaulaxPseudovipioVipioMegalommumPhylogeny-of-the-Braconinaetribal-classificationAphrastobraconiniBraconiniCoeloidiniCompsobraconiniTropobraconiniVirgulibraconiniAdeshiniArgamaniiniBathyaulaciniEuurobraconiniGlyptomorphiniGnathobraconiniPhysaraiiniRhammuriniVaepelliniMyosotiseiniAspidobraconiniCeratobraconiniVipioniniIphiaulaciniAcanthobraconiniTurkeyIranChinaThailandPakistanAnatoliapistachio-longhorn-beetleCalchaenesthes-pistacivoraScolytidaeCurculionidaeBuprestidaeconiferous-treesbroadleaved-treesMalaise-traplight-trappinghost-carrying-behaviorPycnobraconoidesTrigastrothecaPhysaraiaNesaulaxCurreiaEndovipioAmyosomaMegacoeloidesAlienoclypeusAtanycolus-insolitusBracon-amaculatusBracon-quadrimaculatusBracon-rhinchitiBracon-murgabensisBracon-querceusBracon-karakumicusBracon-hylobiiBracon-irkutensisBracon-longiantennatusBracon-longigenisCoeloides-sordidatorGlyptomorpha-disparBracon-selviaeBracon-bachtiaeBracon-dersimensisGlyptomorpha-nachitshevanicaChelonus-erythrogasterCoeloides-glaboventrisCoeloides-longquanusCoeloides-flavusCoeloides-changbaiensisMegalommum-pistacivoraeMegalommum-xanthocepsMegalommum-jacobsoniMegalommum-ayyariMegalommum-philippinenseMegalommum-dodecanesiMegalommum-ceresenseMegalommum-inareatumMegalommum-antefurcaleMegalommum-tibialePhysaraia-nanensisPhysaraia-panhaiPhysaraia-sakaeratensisPhysaraia-sinensisPhysaraia-sumatranaPhysaraia-tigeriTrigastrotheca-doiphukhaensisTrigastrotheca-pariyanonthaeTrigastrotheca-sureerataeTrigastrotheca-tridentataDoi-Phu-Kha-National-ParkArdahanErzurumIğdırKarsKastamonuTunceliFars-provinceNan-provinceSakaeratZhejiang-UniversityChinese-Academy-of-ForestryDNA-barcodingBOLD-SystemsBugGuide.netWikispeciesWikimedia-CommonsEncyclopedia-of-LifeSystematic-EntomologyZootaxaZooKeysCheck-ListJournal-of-Hymenoptera-ResearchJournal-of-Animal-and-Plant-SciencesPMC11214016PMC1287356828S-rRNACOI16S-rRNA18S-rRNAEF-1αCADelongation-factor-1-alphacytochrome-c-oxidase-subunit-Imitochondrialnuclearmolecular-phylogenymorphological-phylogenymonophyletictribus-novcomb.-novsp.-novsyn.-novincertae-sedisNew-WorldOld-WorldAustralianWest-PalaearcticOrientalIndo-AustralianAsian-TurkeyEuropean-Turkeybiogeographical-provinceszoogeographical-regionschecklistfaunisticstaxonomysystematicsrevisionnew-speciesnew-recordsnew-combinationsnew-synonymsnew-tribepreliminary-keydichotomous-keydiagnostic-characterstype-specimenvoucher-specimenholotypeparatypefemale-specimenadult-specimenlight-trapaerial-netfield-collection2011-20141980-2009observationiNaturalist14342-observationsBradyrhynchoides constrictus
broad-nosed weevil
Bradyrhynchoides constrictus is a species of broad-nosed weevil in the beetle family Curculionidae. It was described by Pierce in 1913. The species is known from North America, with confirmed distribution records from Texas. As a member of the subfamily Entiminae, it possesses the characteristic short, broad rostrum typical of this group.
Buchananius
flower weevils
Buchananius is a genus of flower weevils in the beetle family Curculionidae, established by D.G. Kissinger in 1957. The genus contains nine described species, with most described by Kissinger in 1957 and two earlier species transferred from LeConte (1876). Species within this genus are small weevils associated with flowers.
Buchananius striatus
Buchananius striatus is a species of flower weevil in the beetle family Curculionidae, described by Kissinger in 1957. It belongs to a genus of small weevils associated with flowers. The species is known from North America, though specific details about its biology and ecology remain poorly documented in available literature.
Byrsopages
Byrsopages is a genus of weevils in the family Curculionidae, subfamily Entiminae, and the sole member of the tribe Byrsopagini. The genus was established by Carl Johan Schönherr in 1842. It is distributed across parts of East Asia, with records from China, Japan, and Mongolia. The genus contains relatively few species and is poorly represented in biological collections.
Byrsopages villosus
Byrsopages villosus is a species of weevil in the family Curculionidae, subfamily Entiminae, described by Boheman in 1842. The genus Byrsopages belongs to the tribe Byrsopagini, a group of broad-nosed weevils. Distribution records indicate presence in the Holarctic region, specifically Alaska and Kamchatka. Very little detailed biological information is available for this species.
Cactophagus spinolae validus
Cactophagus spinolae validus is a subspecies of weevil in the family Curculionidae. It belongs to a genus associated with cactus-feeding habits, though specific documentation for this subspecies is limited. The genus Cactophagus contains species known to develop in cactus tissues, with some species considered pests of cultivated cacti.
Cactopinus desertus
Cactopinus desertus is a bark beetle species in the weevil family Curculionidae, described by Bright in 1967 from California specimens. As a member of the Scolytinae subfamily, it is part of a genus containing seven species associated with cacti. The species is known from limited collections and remains poorly studied biologically.
Caecossonus
Caecossonus is a genus of true weevils (family Curculionidae) established in 1955 by E.E. Gilbert. The genus contains three described species: C. continuus, C. dentipes, and C. sylvaticus. Two species were described by Howden in 1992, while the type species C. dentipes was described by Gilbert in 1955. The genus name suggests a connection to caecum or blind-ending structures, possibly referring to morphological features of the weevils.
Caecossonus dentipes
Caecossonus dentipes is a species of true weevil in the beetle family Curculionidae. It was described by Gilbert in 1955 and is known from North America. The genus Caecossonus belongs to the tribe Molytini, a group endemic to Central America, the Caribbean Islands, and parts of the United States. Members of this tribe are associated with blind or reduced-vision weevil genera.
Calandrinus grandicollis
Large-necked Flower Weevil
Calandrinus grandicollis is a species of flower weevil in the beetle family Curculionidae. It is known from North America, with confirmed records from Alberta, Canada. The common name "Large-necked Flower Weevil" refers to a presumably enlarged pronotum (the segment behind the head), though detailed morphological descriptions are sparse in available literature. Like other members of Curculionidae, it possesses the characteristic elongated snout (rostrum) typical of weevils.
Calandrinus insignis
Calandrinus insignis is a species of weevil in the family Curculionidae, described by Thomas Lincoln Casey in 1892. The genus Calandrinus belongs to the superfamily Curculionoidea, the largest and most diverse group of beetles. As a member of Curculionidae, this species possesses the characteristic elongated rostrum (snout) with mouthparts at the tip that defines this family. The specific epithet "insignis" (Latin for "remarkable" or "distinguished") may refer to distinctive morphological features, though the original description has not been examined. Information on biology, ecology, and distribution of this species is extremely limited in available sources.
Calles
Calles is a genus of weevils in the family Curculionidae, established by D.G. Kissinger in 1964. It belongs to the large and diverse group of true weevils, characterized by their distinctive elongated snouts. The genus is poorly documented in public sources, with minimal observational records.
Calomycterus
oriental broad-nosed weevils
Calomycterus is a genus of weevils in the family Curculionidae, established by Roelofs in 1873. The genus comprises approximately 11 described species distributed across parts of Asia and Africa. Members are classified within the subfamily Entiminae, tribe Cyphicerini, subtribe Acanthotrachelina. One species, Calomycterus setarius, has been introduced to North America where it is known as the imported long-horned weevil.
Calyptillus
Calyptillus is a genus of broad-nosed weevils in the beetle family Curculionidae, described by Horn in 1876. The genus contains at least one described species, C. cryptops. It belongs to the tribe Geonemini within the subfamily Entiminae. Information about its biology and ecology remains sparse.
Calyptillus cryptops
Calyptillus cryptops is a species of weevil in the family Curculionidae, subfamily Entiminae, described by George Henry Horn in 1876. It is native to the central United States. The genus Calyptillus belongs to the tribe Geonemini, a group of broad-nosed weevils.
Camarotini
Camarotini is a tribe of weevils within the family Curculionidae, subfamily Curculioninae. Members of this tribe are characterized by their association with palms (Arecaceae), with larvae typically developing in palm tissues. The tribe contains several genera of economic importance due to their impact on coconut and other palm crops.
Canistes schusteri
Canistes schusteri is a species of weevil in the family Curculionidae, described by Casey in 1892. It belongs to a genus of small weevils with limited published documentation. The species is known from North America based on museum records and sparse observation data. Available information is minimal, with only four observations recorded in community science databases.
Carphobius arizonicus
Carphobius arizonicus is a species of crenulate bark beetle in the family Curculionidae, first described by Blackman in 1943. It is found in North America.
Carphoborus bicornis
Carphoborus bicornis is a species of weevil in the family Curculionidae, described by Wood in 1986. The genus Carphoborus comprises bark beetles associated with coniferous trees. This species is recorded from North America. Very little published information exists regarding its specific biology or ecology.
bark-beetleweevilconifer-associatedNorth-AmericascolytinaeCurculionidaeColeopterainsectbeetleforest-pestwood-boring-beetleScolytiniCarphoborusbicornisWood-19861986provisionally-acceptedacceptedexact-matchAnimaliaArthropodaInsectaCarphoborus-bicornistaxonomyclassificationconiferforestwood-boringpesteukaryotahexapodapolyphagacucujiformiacurculionoidea