Curculionoidea
Guides
Allosirocalus obliquus
Allosirocalus obliquus is a species of beetle in the genus Allosirocalus. The genus is part of the weevil superfamily Curculionoidea, though its precise family placement requires verification. Information regarding this species is limited in available sources.
Anthribidae
fungus weevils
Anthribidae is a family of beetles commonly known as fungus weevils, distinguished from true weevils (Curculionidae) by their straight, non-elbowed antennae. Members of this family typically possess thread-like antennae that may exceed body length, representing the longest antennae among all Curculionoidea. The labrum appears as a separate segment from the clypeus, and maxillary palps are notably long and projecting. Most species feed on fungi or decaying plant matter, with larvae developing within dead wood. Some members exhibit unusual feeding habits: Choraginae includes seed-feeding species, a few are stored product pests, and the genus Anthribus uniquely preys upon soft scale insects.
Apion carrorum
Apion carrorum is a species of minute seed weevil in the family Apionidae, described by Anderson and Alonso-Zarazaga in 2019. The genus Apion belongs to the weevil superfamily Curculionoidea, with members typically characterized by their small size and association with specific host plants. As a recently described species, detailed biological information remains limited.
Archarius
Archarius is a genus of weevils in the family Curculionidae, first described by Gistel in 1856. Species within this genus are distributed across Europe, Japan, and North America. The genus includes at least three recognized species: Archarius crux, Archarius pyrrhoceras, and Archarius salicivorus. It belongs to the suborder Polyphaga within the diverse beetle order Coleoptera.
Attelabidae
Leaf-rolling Weevils, Giraffe Weevils
Attelabidae is a widespread family of primitive weevils characterized by straight antennae inserted near the base of the rostrum. The family includes approximately 2,500 species globally, with subfamilies exhibiting distinct reproductive behaviors. Attelabinae are true leaf rollers, where females cut and roll leaves to create cradles for egg deposition and larval development. Rhynchitinae (sometimes treated as a separate family) have larvae that develop in flower buds, fruits, terminal shoots, or as leaf miners. Some members, particularly in the genus Trachelophorus, possess elongated necks and are known as giraffe weevils.
Attelabinae
leaf-rolling weevils
Attelabinae is a subfamily of leaf-rolling weevils within the beetle family Attelabidae. It comprises at least 20 genera and over 690 described species. Members are characterized by specialized leaf-rolling behaviors used in reproduction, where females construct leaf rolls to protect eggs and developing larvae. The subfamily is distributed across North America from Canada to Panama, with documented host associations including chestnuts (Castanea) and various flowering plants.
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.
Brachyceridae
Brachyceridae is a family of weevils (Coleoptera: Curculionoidea) containing at least 150 genera. The family has been treated historically as a subfamily of Curculionidae, but is now recognized as distinct. Some constituent genera, such as Absoloniella, contain blind, wingless species restricted to Mediterranean regions. The family belongs to the superfamily Curculionoidea, placing it among the true weevils.
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-boringpesteukaryotahexapodapolyphagacucujiformiacurculionoideaEugnamptus pallidus
leaf rolling weevil
Eugnamptus pallidus is a species of leaf rolling weevil in the beetle family Attelabidae. The species was described by Shaeffer in 1908. As a member of the Attelabidae, it belongs to a group of weevils known for their distinctive behavior of rolling or folding leaves to create shelters for their eggs and larvae. The specific name 'pallidus' refers to its pale coloration.
Euxenus
Euxenus is a genus of fungus weevils in the family Anthribidae, comprising approximately 14 described species. The genus was established by John Lawrence LeConte in 1876. Members of this genus are part of the diverse weevil superfamily Curculionoidea, though unlike true weevils (Curculionidae), anthribids lack the elongated snout characteristic of that family.
Exapion ulicis
Gorse Seed Weevil
Exapion ulicis is a small seed-feeding weevil specialized on gorse (Ulex europaeus). Adults are light gray with a prominent snout roughly half the body length. The species is native to western Europe and has been introduced to New Zealand, California, Hawaii, and other regions as a biological control agent targeting invasive gorse populations. Larval feeding destroys seeds within pods, reducing plant spread, while adult feeding on stems and spines causes minor damage.
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-collectively-retentive-Pareto-optimal-setminimal-individually-retentive-Pareto-optimal-setminimal-Nash-retentive-Pareto-optimal-setminimal-individually-rational-retentive-Pareto-optimal-setminimal-weakly-stable-Pareto-optimal-setminimal-strongly-stable-Pareto-optimal-setminimal-collectively-stable-Pareto-optimal-setminimal-individually-stable-Pareto-optimal-setminimal-Nash-stable-Pareto-optimal-setminimal-individually-rational-stable-Pareto-optimal-setminimal-weakly-Nash-stable-Pareto-optimal-setminimal-strongly-Nash-stable-Pareto-optimal-setminimal-collectively-Nash-stable-Pareto-optimal-setminimal-individually-Nash-stable-Pareto-optimal-setminimal-Nash-Nash-stable-Pareto-optimal-setminimal-individually-rational-Nash-stable-Pareto-optimal-setminimal-weakly-individually-rational-Pareto-optimal-setminimal-strongly-individually-rational-Pareto-optimal-setminimal-collectively-individually-rational-Pareto-optimal-setminimal-individually-individually-rational-Pareto-optimal-setminimal-Nash-individually-rational-Pareto-optimal-setminimal-individually-rational-individually-rational-Pareto-optimal-setminimal-weakly-Pareto-optimal-Nash-stable-setminimal-strongly-Pareto-optimal-Nash-stable-setminimal-collectively-Pareto-optimal-Nash-stable-setminimal-individually-Pareto-optimal-Nash-stable-setminimal-Nash-Pareto-optimal-Nash-stable-setminimal-individually-rational-Pareto-optimal-Nash-stable-setminimal-weakly-comprehensive-Pareto-optimal-Nash-stable-setminimal-strongly-comprehensive-Pareto-optimal-Nash-stable-setminimal-collectively-comprehensive-Pareto-optimal-Nash-stable-setminimal-individually-comprehensive-Pareto-optimal-Nash-stable-setminimal-Nash-comprehensive-Pareto-optimal-Nash-stable-setminimal-individually-rational-comprehensive-Pareto-optimal-Nash-stable-setminimal-weakly-extensive-Pareto-optimal-Nash-stable-setminimal-strongly-extensive-Pareto-optimal-Nash-stable-setminimal-collectively-extensive-Pareto-optimal-Nash-stable-setminimal-individually-extensive-Pareto-optimal-Nash-stable-setminimal-Nash-extensive-Pareto-optimal-Nash-stable-setminimal-individually-rational-extensive-Pareto-optimal-Nash-stable-setminimal-weakly-retentive-Pareto-optimal-Nash-stable-setminimal-strongly-retentive-Pareto-optimal-Nash-stable-setminimal-collectively-retentive-Pareto-optimal-Nash-stable-setminimal-individually-retentive-Pareto-optimal-Nash-stable-setminimal-Nash-retentive-Pareto-optimal-Nash-stable-setminimal-individually-rational-retentive-Pareto-optimal-Nash-stable-setminimal-weakly-stable-Pareto-optimal-Nash-stable-setminimal-strongly-stable-Pareto-optimal-Nash-stable-setminimal-collectively-stable-Pareto-optimal-Nash-stable-setminimal-individually-stable-Pareto-optimal-Nash-stable-setminimal-Nash-stable-Pareto-optimal-Nash-stable-setminimal-individually-rational-stable-Pareto-optimal-Nash-stable-setminimal-weakly-Nash-stable-Pareto-optimal-Nash-stable-setminimal-strongly-Nash-stable-Pareto-optimal-Nash-stable-setminimal-collectively-Nash-stable-Pareto-optimal-Nash-stable-setminimal-individually-Nash-stable-Pareto-optimal-Nash-stable-setminimal-Nash-Nash-stable-Pareto-optimal-Nash-stable-setminimal-individually-rational-Nash-stable-Pareto-optimal-Nash-stable-setminimal-weakly-individually-rational-Pareto-optimal-Nash-stable-setminimal-strongly-individually-rational-Pareto-optimal-Nash-stable-setminimal-collectively-individually-rational-Pareto-optimal-Nash-stable-setminimal-individually-individually-rational-Pareto-optimal-Nash-stable-setminimal-Nash-individually-rational-Pareto-optimal-Nash-stable-setminimal-individually-rational-individually-rational-Pareto-optimal-Nash-stable-setminimal-weakly-Pareto-optimal-individually-rational-Nash-stable-setminimal-strongly-Pareto-optimal-individually-rational-Nash-stable-setminimal-collectively-Pareto-optimal-individually-rational-Nash-stable-setminimal-individually-Pareto-optimal-individually-rational-Nash-stable-setminimal-Nash-Pareto-optimal-individually-rational-Nash-stable-setminimal-individually-rational-Pareto-optimal-individually-rational-Nash-stable-setminimal-weakly-comprehensive-Pareto-optimal-individually-rational-Nash-stable-setminimal-strongly-comprehensive-Pareto-optimal-individually-rational-Nash-stable-setminimal-collectively-comprehensive-Pareto-optimal-individually-rational-Nash-stable-setminimal-individually-comprehensive-Pareto-optimal-individually-rational-Nash-stable-setminimal-Nash-comprehensive-Pareto-optimal-individually-rational-Nash-stable-setminimal-individually-rational-comprehensive-Pareto-optimal-individually-rational-Nash-stable-setminimal-weakly-extensive-Pareto-optimal-individually-rational-Nash-stable-setminimal-strongly-extensive-Pareto-optimal-individually-rational-Nash-stable-setminimal-collectively-extensive-Pareto-optimal-individually-rational-Nash-stable-setminimal-individually-extensive-Pareto-optimal-individually-rational-Nash-stable-setminimal-Nash-extensive-Pareto-optimal-individually-rational-Nash-stable-setminimal-individually-rational-extensive-Pareto-optimal-individually-rational-Nash-stable-setminimal-weakly-retentive-Pareto-optimal-individually-rational-Nash-stable-setminimal-strongly-retentive-Pareto-optimal-individually-rational-Nash-stable-setminimal-collectively-retentive-Pareto-optimal-individually-rational-Nash-stable-setminimal-individually-retentive-Pareto-optimal-individually-rational-Nash-stable-setminimal-Nash-retentive-Pareto-optimal-individually-rational-Nash-stable-setminimal-individually-rational-retentive-Pareto-optimal-individually-rational-Nash-stable-setminimal-weakly-stable-Pareto-optimal-individually-rational-Nash-stable-setminimal-strongly-stable-Pareto-optimal-individually-rational-Nash-stable-setminimal-collectively-stable-Pareto-optimal-individually-rational-Nash-stable-setminimal-individually-stable-Pareto-optimal-individually-rational-Nash-stable-setminimal-Nash-stable-Pareto-optimal-individually-rational-Nash-stable-setminimal-individually-rational-stable-Pareto-optimal-individually-rational-Nash-stable-setminimal-weakly-Nash-stable-Pareto-optimal-individually-rational-Nash-stable-setminimal-strongly-Nash-stable-Pareto-optimal-individually-rational-Nash-stable-setminimal-collectively-Nash-stable-Pareto-optimal-individually-rational-Nash-stable-setminimal-individually-Nash-stable-Pareto-optimal-individually-rational-Nash-stable-setminimal-Nash-Nash-stable-Pareto-optimal-individually-rational-Nash-stable-setminimal-individually-rational-Nash-stable-Pareto-optimal-individually-rational-Nash-stable-setminimal-weakly-individually-rational-Pareto-optimal-individually-rational-Nash-stable-setminimal-strongly-individually-rational-Pareto-optimal-individually-rational-Nash-stable-setminimal-collectively-individually-rational-Pareto-optimal-individually-rational-Nash-stable-setminimal-individually-individually-rational-Pareto-optimal-individually-rational-Nash-stable-setminimal-Nash-individually-rational-Pareto-optimal-individually-rational-Nash-stable-setminimal-individually-rational-individually-rational-Pareto-optimal-individually-rational-Nash-stable-setGoniocloeus
fungus weevils
Goniocloeus is a genus of fungus weevils in the beetle family Anthribidae, established by Karl Jordan in 1904. The genus contains at least 40 described species. Members of this genus are classified within the weevil superfamily Curculionoidea, though fungus weevils in Anthribidae are distinguished from true weevils (Curculionidae) by their less elongated rostrum. The genus has been documented in at least 107 iNaturalist observations.
Gonotropis
fungus weevils
Gonotropis is a genus of fungus weevils in the family Anthribidae, established by John Lawrence LeConte in 1876. The genus comprises approximately five described species distributed across North America and parts of Eurasia. Members are characterized by their association with fungal substrates, a trait common to many anthribid weevils. The genus includes notable species such as Gonotropis dorsalis, described by Thunberg in 1796, and several species described by Oda in 1979 from Japan.
Gymnognathus chiricahuae
Gymnognathus chiricahuae is a species of fungus weevil (family Anthribidae) described by Sleeper in 1954. The species epithet references the Chiricahua Mountains of southeastern Arizona, indicating the type locality and primary known distribution. Like other members of the genus Gymnognathus, this species belongs to a group of weevils associated with fungal substrates. The species is provisionally accepted in taxonomic databases and has been recorded from North America.
Haplorhynchites pseudomexicanus
Haplorhynchites pseudomexicanus is a species of leaf-rolling weevil in the family Attelabidae. The genus Haplorhynchites comprises approximately 40 species distributed primarily in the New World, with most species occurring in Central and South America. H. pseudomexicanus was described by Hamilton in 1974 and is currently known from limited collection records. Like other attelabid weevils, members of this genus are associated with various host plants where adults feed on foliage and females prepare leaf rolls or other structures for oviposition.
Himatolabus
Himatolabus is a genus of leaf-rolling weevils in the family Attelabidae, established by Jekel in 1860. The genus contains approximately 16 described species. As attelabid weevils, members of this genus are associated with leaf-rolling or leaf-folding behaviors, though specific biological details for most species remain poorly documented.
Ischnocerus
Ischnocerus is a genus of fungus weevils in the family Anthribidae, containing approximately 19 described species. The genus was established by Carl Johan Schoenherr in 1839. As members of the Anthribidae, these beetles are characterized by straight rather than elbowed antennae, distinguishing them from true weevils (Curculionidae). The genus is part of the diverse weevil superfamily Curculionoidea.
Loganius
Loganius is a genus of weevils in the family Curculionidae, described by Chapuis in 1869. It belongs to the hyperdiverse beetle order Coleoptera and is placed within the suborder Polyphaga. The genus is taxonomically accepted but remains poorly documented in public biodiversity databases, with no observations recorded in iNaturalist and limited available literature.
Neobagous
Neobagous is a genus of weevils in the family Brachyceridae, established by Hustache in 1926. These beetles belong to the superfamily Curculionoidea and share the characteristic elongated snout (rostrum) typical of weevils. The genus is currently accepted in modern taxonomic databases, though detailed biological information remains limited in published literature.
Notiodes laticollis
Notiodes laticollis is a species of weevil in the family Erirhinidae, originally described by Blatchley in 1916. The species has undergone taxonomic revision, with GBIF currently listing it as a synonym under the genus Endalus as Endalus laticollis, while NCBI retains it in Notiodes. Erirhinidae weevils are typically associated with aquatic or semi-aquatic habitats, often feeding on aquatic plants.
Orchestomerus wickhami
Orchestomerus wickhami is a species of weevil in the family Curculionidae, described by Dietz in 1896. The genus Orchestomerus belongs to the superfamily Curculionoidea. Very little specific biological or ecological information is documented for this particular species.
Ormiscus
Ormiscus is a genus of fungus weevils (family Anthribidae) established by G.R. Waterhouse in 1845. The genus contains at least 60 described species. Members of this genus are part of the weevil superfamily Curculionoidea, though unlike true weevils (Curculionidae), anthribids lack the elongated snout characteristic of that family. As fungus weevils, species in this genus are associated with fungal substrates.
Paracrias
Paracrias is a genus of parasitoid wasps in the family Eulophidae, occurring exclusively in the New World with greatest diversity in the tropics. Larvae are gregarious parasitoids of immature stages of beetles, primarily within Curculionoidea. Host records include weevils (Curculionidae), leaf-rolling weevils (Attelabidae), and bruchine seed beetles (Chrysomelidae). The genus has been studied for its potential as a biological control agent of seed and bud pests.
Peracalles
hidden snout weevils
Peracalles is a genus of hidden snout weevils established by D.G. Kissinger in 1964. The genus belongs to the family Curculionidae and contains at least two described species: Peracalles pectoralis (LeConte, 1876) and Peracalles ventrosus (LeConte, 1878). The common name "hidden snout weevils" refers to a morphological characteristic of this group, though specific details of this trait are not documented in available sources. The genus is rarely encountered, with few observations recorded.
Phaenithon
Phaenithon is a genus of fungus weevils in the family Anthribidae, first described by Schoenherr in 1826. Members of this genus are characterized by their association with fungal substrates and distinctive morphological features. The genus is part of the diverse weevil superfamily Curculionoidea, though Anthribidae are distinguished by straight rather than elbowed antennae. At least one species, Phaenithon semigriseus, has been documented in photographic records.
Pseudomus
hidden snout weevils
Pseudomus is a genus of hidden snout weevils (Curculionidae) established by Schoenherr in 1837. The genus contains at least 26 described species, though taxonomic sources vary in their counts. As members of the weevil family, species in this genus possess the characteristic elongated rostrum (snout) typical of Curculionidae. The genus is part of the diverse Curculionoidea superfamily, one of the largest radiations of beetles.
Sphenophorus imus
Sphenophorus imus is a species of weevil in the family Dryophthoridae, first described by Gyllenhal in 1838. It belongs to a genus containing numerous species commonly known as billbugs, many of which are significant agricultural pests. The species is recorded from North America, though specific details regarding its biology, host associations, and economic importance remain poorly documented compared to congeners such as S. parvulus, S. callosus, and S. levis.
Sphenophorus incongruus
Sphenophorus incongruus is a weevil species in the family Dryophthoridae, first described by Chittenden in 1905. The species belongs to the genus Sphenophorus, commonly known as billbugs, which contains numerous turfgrass and crop pests. Records indicate presence in North America, specifically in the Canadian provinces of Ontario and Québec. Like other Sphenophorus species, it likely possesses the elongated snout typical of weevils and shares the general billbug body plan, though specific distinguishing features from congeners remain poorly documented in available literature.
Tournotaris bimaculata
Tournotaris bimaculata is a species of weevil in the family Brachyceridae, originally described by Fabricius in 1787 under the name Curculio bimaculatus. The species has a Holarctic distribution, with records indicating presence in parts of Europe. As a member of the Curculionoidea superfamily, it possesses the characteristic elongated snout typical of weevils.
Tracheloschizus
Tracheloschizus is a genus of straight-snouted weevils in the family Brentidae, established by Damoiseau in 1966. The genus belongs to the weevil superfamily Curculionoidea and is characterized by members of this primarily tropical family. Brentidae weevils are distinguished from the more familiar Curculionidae by their elongated, straight rostrums rather than the curved snouts typical of true weevils. The genus is relatively poorly documented in public sources, with limited species-level information available.
Trichapion proclive
Trichapion proclive is a species of straight-snouted weevil in the family Brentidae, first described by John Lawrence LeConte in 1857. It belongs to a genus characterized by elongated rostra and association with leguminous host plants. Records indicate presence in British Columbia, Canada, though observations remain sparse with limited documented occurrence data.