Aquatic-weevil
Guides
Bagous californicus
Bagous californicus is a species of true weevil in the beetle family Curculionidae. It was described by LeConte in 1876 and is found in North America. The genus Bagous comprises aquatic and semi-aquatic weevils, though specific ecological details for this species remain undocumented.
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.
Listroderes apicalis
underwater weevil
Listroderes apicalis is a species of underwater weevil described by Waterhouse in 1842. It belongs to the family Curculionidae, the largest family of beetles. The species is notable for its aquatic or semi-aquatic lifestyle, which is unusual among weevils. It has been recorded from North America and parts of South America including Brazil.
Listronotus distinctus
underwater weevil
Listronotus distinctus is a species of underwater weevil in the family Curculionidae, first described by Henderson in 1941. The species is distinguished by its aquatic or semi-aquatic lifestyle, a notable adaptation within the genus Listronotus. It is known to occur in North America, though detailed ecological and biological information remains limited in published literature.
Listronotus echinodori
Listronotus echinodori is an underwater weevil in the family Curculionidae, described by O'Brien in 1977. It is found in North America, with records from Manitoba, Canada. As a member of the genus Listronotus, it shares the characteristic elongated snout typical of weevils, though specific ecological details remain poorly documented compared to better-studied congeners such as the carrot weevil and annual bluegrass weevil.
Listronotus humilis
Listronotus humilis is a species of underwater weevil in the family Curculionidae. It is found in North America, with records from British Columbia, New Brunswick, Newfoundland, and other regions. The species belongs to a genus that includes several economically significant pests, though specific details about L. humilis ecology and behavior remain limited.
Listronotus suturalis
Listronotus suturalis is an underwater weevil in the family Curculionidae, first described by O'Brien in 1981. It is one of relatively few weevil species adapted to aquatic or semi-aquatic habitats. The species is found in North America, though specific details about its ecology and biology remain poorly documented in scientific literature.
Neobagous texanus
Neobagous texanus is a species of weevil in the family Curculionidae, subfamily Bagoinae. The genus Neobagous belongs to a group of aquatic or semi-aquatic weevils commonly associated with wetland habitats. This species is named for Texas, indicating its described type locality or primary distribution center. Members of this genus are typically small, elongate weevils with adaptations for life in moist environments.