Weevil
Guides
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.
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 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 lutescens
Barinus lutescens is a species of flower weevil in the family Curculionidae, described by Thomas L. Casey in 1920. It is a small beetle found in North America. The species is provisionally accepted in taxonomic databases, with limited published information available regarding its biology and ecology. It belongs to the genus Barinus, a group of weevils associated with flowers and vegetation.
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 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 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.
Barynotus obscurus
Ground Weevil
Barynotus obscurus is a species of weevil in the family Curculionidae, native to Europe. The species has been introduced to North America, with established populations in British Columbia, New Brunswick, and other regions. It is commonly known as the Ground Weevil.
Barypeithes pellucidus
Barypeithes pellucidus is a European weevil species in the family Curculionidae. It has been introduced to North America, where it has been established in hardwood forests for over a century. The species is currently recognized as a synonym of Exomias pellucidus in some taxonomic databases.
Betulapion simile
Birch Catkin Weevil
Betulapion simile is a small weevil species in the family Brentidae, commonly known as the Birch Catkin Weevil. The species was originally described as Apion simile by Kirby in 1811 and later transferred to the genus Betulapion. It is associated with birch trees (Betula species), where adults and larvae develop in catkins. The species has been recorded from multiple European countries including Belgium and Norway.
Bothrosternini
Bothrosternini is a tribe of weevils within the subfamily Dryophthorinae, characterized by elongated rostrums and association with woody plants. Members of this tribe are found in tropical and subtropical regions, particularly in the Americas. The tribe includes economically significant species that attack palms and other monocots.
Brachybamus
marsh weevils
Brachybamus is a genus of marsh weevils (family Brachyceridae) established by Germar in 1835. The genus contains at least three described species: B. electus, B. inceratus, and B. pipitzi. These beetles are associated with marsh and wetland habitats, consistent with their common name. The family placement has varied historically, with some sources listing Brachyceridae and others Erirhinidae, reflecting ongoing taxonomic revisions in the weevil superfamily Curculionoidea.
Brachybamus electus
marsh weevil
Brachybamus electus is a species of weevil in the family Brachyceridae, commonly referred to as a marsh weevil. It belongs to the superfamily Curculionoidea, which encompasses all weevils and their relatives. The species was described by Germar in 1833 and is provisionally accepted in modern taxonomic databases. It has been recorded in North America, specifically in Québec, Canada.
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
Brachysomus is a genus of weevils in the family Curculionidae, subfamily Entiminae, tribe Sciaphilini. First described by Schönherr in 1823, the genus currently comprises approximately 56 species distributed primarily across the Palaearctic region. The genus was formerly known as Platytarsus (Schoenherr, 1840), now synonymized. Brachysomus species are small to medium-sized broad-nosed weevils characterized by distinctive morphological features including particular arrangements of setae and body sculpturing.
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.
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
cactus weevil, prickly pear cactus weevil
Cactophagus is a genus of snout and bark beetles in the family Dryophthoridae, comprising more than 50 described species distributed from southern North America through Central America to northern South America. Species in this genus are strongly associated with cacti, particularly Opuntia species, and several are significant agricultural pests. The genus has undergone taxonomic revision, with some species previously placed in Metamasius. The most economically important species, C. spinolae, is a major pest of prickly pear cactus in Mexico and has been introduced to other regions for biological control of invasive Opuntia.
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 rhois
Cactopinus rhois is a bark beetle species in the weevil family Curculionidae, described by Blackman in 1938. It belongs to the genus Cactopinus, a group of small wood-boring beetles associated with cacti and other plants. The species is recorded from North America. As with other members of its genus, it likely develops in plant stems or trunks, though specific biological details remain poorly documented.
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 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.
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
Carphobius is a genus of bark beetles in the family Curculionidae, established by M.W. Blackman in 1943. The genus comprises at least three described species of crenulate bark beetles. These beetles are associated with woody plants and belong to the diverse weevil superfamily Curculionoidea.
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-boringpesteukaryotahexapodapolyphagacucujiformiacurculionoideaCarphonotus
Carphonotus is a small genus of true weevils in the family Curculionidae, established by Thomas Lincoln Casey in 1892. The genus contains at least two described species: C. ochreipilis and C. testaceus. Information on the biology and ecology of these weevils remains limited.
Catapastinus
Catapastinus is a genus of weevils in the family Curculionidae, established by G.C. Champion in 1908. The genus is poorly documented in modern literature, with only two observations recorded on iNaturalist. As a member of the largest beetle family, it likely exhibits the characteristic elongated snout and elbowed antennae typical of weevils, but specific morphological and biological details remain largely unstudied.
Catapastinus caseyi
Colima Baridine Weevil
Catapastinus caseyi is a weevil species in the family Curculionidae, described by G.C. Champion in 1909. It is provisionally accepted in taxonomic databases and has been recorded from Mexico (Colima region, based on common name reference). The species belongs to the large and diverse weevil family Curculionidae, which contains numerous plant-feeding beetles. Very little specific biological information is available for this particular species in the accessible literature.
Catapastus conspersus
flower weevil
Catapastus conspersus is a species of flower weevil in the family Curculionidae. The species was described by T.L. Casey in 1892. It is known from North America, with records from Ontario and Québec in Canada. As a member of the flower weevil group, it likely associates with flowering plants, though specific biological details remain poorly documented.
Catapastus squamirostris
Catapastus squamirostris is a species of flower weevil in the beetle family Curculionidae. The species was described by Casey in 1920. It is found in North America. As a flower weevil, it likely associates with flowering plants, though specific ecological details remain poorly documented.