Predaceous-diving-beetle
Guides
Hydroporus columbianus
Hydroporus columbianus is a species of predaceous diving beetle in the family Dytiscidae, first described by Fall in 1923. It belongs to the subfamily Hydroporinae, a diverse group of small to medium-sized diving beetles. The species is known from western North America, with records from Alberta and British Columbia in Canada. Like other members of the genus, it is an aquatic predator.
Hydroporus despectus
Belittled Water Beetle
Hydroporus despectus is a predaceous diving beetle in the family Dytiscidae, described by Sharp in 1882. It occurs in North America with records from Canada (Alberta, British Columbia) and presumably the United States. As a member of the genus Hydroporus, it inhabits aquatic environments and functions as a predator. The common name "Belittled Water Beetle" has been assigned to this species.
Hydroporus fortis
Hydroporus fortis is a predaceous diving beetle in the family Dytiscidae. The species was described by John Lawrence LeConte in 1852. It occurs in North America, with records extending to British Columbia, Canada. Like other members of its genus, it is an aquatic predator.
Hydroporus longiusculus
Hydroporus longiusculus is a predaceous diving beetle in the family Dytiscidae. It is one of two species comprising the longiusculus-group within the genus Hydroporus. The species has undergone taxonomic revision, with three former species (H. hirtellus, H. perplexus, H. utahensis) synonymized under it. It is found in the Nearctic region.
Hydroporus niger
predaceous diving beetle
Hydroporus niger is a species of predaceous diving beetle in the family Dytiscidae, first described by Thomas Say in 1823. It is found in North America, with records from Canada (New Brunswick, Newfoundland) and the United States. The genus Hydroporus is one of the most species-rich genera of diving beetles, containing numerous small to medium-sized aquatic predators.
Hydroporus striola
Hydroporus striola is a small predaceous diving beetle in the family Dytiscidae. It has been recorded across the Holarctic region, including North America and the Palearctic. As a member of the genus Hydroporus, it is associated with aquatic habitats.
Hydroporus subpubescens
Hydroporus subpubescens is a predaceous diving beetle in the family Dytiscidae, described by LeConte in 1852. The species was transferred from the subpubescens-group to the nigellus-group based on extreme morphological similarity to H. tenebrosus, resulting in the elimination of the subpubescens-group as a formal grouping. It is known from North America.
Hydroporus tenebrosus
Hydroporus tenebrosus is a predaceous diving beetle in the family Dytiscidae, first described by LeConte in 1850. It belongs to the genus Hydroporus, a diverse group of small to medium-sized diving beetles. The species has been used as a morphological reference in taxonomic revisions due to its extreme similarity to H. subpubescens. As a member of the Dytiscidae, it is presumed to be an aquatic predator, though specific ecological details remain poorly documented in the accessible literature.
Hydrovatus brevipes
Hydrovatus brevipes is a predaceous diving beetle (family Dytiscidae) described by Sharp in 1882. It belongs to the tribe Hydrovatini within the subfamily Hydroporinae. The species is documented from North America, though specific details regarding its ecology, habitat preferences, and life history remain poorly documented in the available literature.
Hydrovatus hornii
Hydrovatus hornii is a species of predaceous diving beetle (family Dytiscidae) described by George Henry Crotch in 1873. It belongs to the subfamily Hydroporinae and tribe Hydrovatini, a group of small to medium-sized diving beetles adapted to aquatic habitats. The species is known from the Caribbean, Middle America, and North America, though specific biological details remain poorly documented in published literature.
Hygrotus sayi
Say's Diving Beetle
Hygrotus sayi is a predaceous diving beetle in the family Dytiscidae. It is found in North America, with confirmed records from Alberta and British Columbia in Canada. The species is commonly known as Say's Diving Beetle.
Ilybiosoma seriatum
Dot-lined Predaceous Diving Beetle
Ilybiosoma seriatum is a predaceous diving beetle in the family Dytiscidae, known by the common name Dot-lined Predaceous Diving Beetle. The species was described by Thomas Say in 1823. It is found in North America, with records from Canada and the United States.
Ilybius hypomelas
Ilybius hypomelas is a predaceous diving beetle in the family Dytiscidae, first described by Mannerheim in 1843. This species is part of a genus of small to medium-sized diving beetles commonly found in freshwater habitats. It is known from North America, with specific records from western Canadian provinces including Alberta and British Columbia. As a member of Dytiscidae, it is adapted for aquatic predation.
Ilybius larsoni
Ilybius larsoni is a species of predaceous diving beetle in the family Dytiscidae, described by Fery & Nilsson in 1993. The species is known from eastern North America, with confirmed records from New Brunswick and Nova Scotia in Canada. As a member of the genus Ilybius, it is adapted to aquatic environments where it preys on other small organisms.
Ilybius oblitus
Ilybius oblitus is a predaceous diving beetle in the family Dytiscidae, first described by Sharp in 1882. It occurs in North America, with confirmed records from Ontario, Canada. The species has been documented to tolerate low temperatures, though it remains susceptible to freezing. Observations of this species are sparse, with limited biological data available.
Ilybius opacus
Ilybius opacus is a predaceous diving beetle in the family Dytiscidae, distributed across North America and the Palearctic region. It is one of numerous species in the genus Ilybius, a group of medium-sized diving beetles typically associated with freshwater habitats. The species was described by Aubé in 1837 and remains a valid, accepted taxon in current classifications.
Ilybius pleuriticus
Ilybius pleuriticus is a predaceous diving beetle in the family Dytiscidae, first described by LeConte in 1850. It is known from western North America, with records from Alberta and British Columbia in Canada. Like other members of the genus Ilybius, it is an aquatic predator inhabiting freshwater environments.
Ilybius vancouverensis
Ilybius vancouverensis is a species of predaceous diving beetle in the family Dytiscidae, first described by Leech in 1937. It was originally placed in the genus Agabus before being transferred to Ilybius. The species is known from the Pacific Northwest of North America, with records from British Columbia, Canada and Alaska, United States. Like other members of the genus, it is an aquatic predator inhabiting freshwater environments.
Laccophilus biguttatus
Laccophilus biguttatus is a small predaceous diving beetle in the family Dytiscidae, first described by William Kirby in 1837. The species has a notably wide distribution spanning both the Nearctic and Palearctic regions, making it one of the more geographically extensive members of its genus. Like other Laccophilus species, it inhabits freshwater aquatic environments where it functions as an active predator.
Laccophilus horni
Laccophilus horni is a species of predaceous diving beetle in the family Dytiscidae. It occurs in North America and the Neotropics. As a member of the genus Laccophilus, it is a small diving beetle adapted to aquatic environments. Specific ecological details for this species remain limited in published sources.
Laccophilus maculosus
dingy diver
Laccophilus maculosus, commonly known as the dingy diver, is a predaceous diving beetle in the family Dytiscidae. The species is distributed across Central America and North America. It belongs to a genus of small to medium-sized diving beetles that inhabit freshwater environments.
Laccophilus maculosus decipiens
Laccophilus maculosus decipiens is a subspecies of predaceous diving beetle in the family Dytiscidae. It belongs to the genus Laccophilus, a diverse group of small to medium-sized diving beetles commonly found in freshwater habitats. The subspecies was described by LeConte in 1852 and occurs in North America and Middle America. Like other members of its genus, it is adapted to aquatic life with modified hind legs for swimming.
Laccophilus maculosus maculosus
A subspecies of predaceous diving beetle in the family Dytiscidae. Like other members of the genus Laccophilus, it is an aquatic beetle adapted to freshwater habitats. The specific epithet 'maculosus' refers to spotted or maculate patterning typical of this taxon.
Laccophilus maculosus shermani
Laccophilus maculosus shermani is a subspecies of predaceous diving beetle in the family Dytiscidae. It belongs to the genus Laccophilus, a group of small diving beetles commonly found in aquatic habitats. The subspecies was described by Leech in 1944. As a member of the subfamily Laccophilinae, it shares characteristics with other Laccophilus species, including adaptations for underwater predation. Specific distinguishing features of this subspecies compared to the nominate form remain poorly documented in available sources.
Laccophilus pictus
Laccophilus pictus is a species of predaceous diving beetle in the family Dytiscidae. It is found in the Neotropics, with distribution records spanning Middle America and North America. The species was described by Laporte in 1835 and includes three recognized subspecies: L. p. pictus (the nominate subspecies), L. p. coccinelloides, and L. p. insignis.
Laccophilus quadrilineatus
Laccophilus quadrilineatus is a species of predaceous diving beetle described by Horn in 1871. It belongs to the family Dytiscidae, a group of aquatic beetles adapted to life in freshwater environments. The species is distributed across North America and the Neotropics. Three subspecies are recognized: L. q. quadrilineatus (the nominate form), L. q. mayae, and L. q. tehuanensis.
Laccophilus salvini
Laccophilus salvini is a species of predaceous diving beetle in the family Dytiscidae, subfamily Laccophilinae. The species was described by Sharp in 1882 and is recorded from Middle America. As a member of Laccophilus, it belongs to a genus of small diving beetles commonly found in aquatic habitats. Specific biological details for this species remain poorly documented.
Laccophilus schwarzi
Laccophilus schwarzi is a predaceous diving beetle in the family Dytiscidae, described by Fall in 1917. It belongs to the genus Laccophilus, a diverse group of small to medium-sized diving beetles found in aquatic habitats. The species is known from North America, though specific details about its ecology and distribution remain limited in available literature.
Laccophilus vacaensis
Laccophilus vacaensis is a predaceous diving beetle in the family Dytiscidae, first described by Young in 1953. The species is distributed across North America and the Neotropics. It is one of three recognized subspecies within the L. vacaensis complex, alongside L. v. chihuahuae and L. v. thermophilus.
Laccornis conoideus
Laccornis conoideus is a species of predaceous diving beetle in the family Dytiscidae. It is known from North America, with records from Alberta and British Columbia in Canada. As a member of the tribe Laccornini, it belongs to a group of small to medium-sized diving beetles. The species was first described by LeConte in 1850.
Laccornis latens
Laccornis latens is a species of predaceous diving beetle in the family Dytiscidae. It was described by Fall in 1937. The species is known from North America, with confirmed records from New Brunswick and Nova Scotia in Canada.
Liodessus affinis
Liodessus affinis is a small predaceous diving beetle in the family Dytiscidae, first described by Say in 1823. The species belongs to a taxonomically challenging species complex that was revised in 1998, during which several former synonyms were elevated to species status. It is found in aquatic habitats across North America, with records from Canada and the United States. Like other members of the genus, it is a predator in freshwater ecosystems.
Liodessus crotchi
Liodessus crotchi is a species of predaceous diving beetle in the family Dytiscidae, first described by Nilsson in 2001. It is known from North America, with distribution records from Labrador and Manitoba in Canada. As a member of the Bidessini tribe within Hydroporinae, it belongs to a diverse group of small diving beetles. Very little species-specific information has been published beyond taxonomic description and basic distribution.
Liodessus noviaffinis
Liodessus noviaffinis is a small predaceous diving beetle described in 1998 from Florida. It belongs to the L. affinis species complex, a group of four closely related North American species that are difficult to distinguish based on external morphology. The species is known from the eastern United States and Canada, with records from New Brunswick and Nova Scotia. Male genitalia provide the only reliable means of identification.
Lioporeus pilatei
Lioporeus pilatei is a species of predaceous diving beetle in the family Dytiscidae. It was originally described as Hydroporus pilatei by Fall in 1917 before being transferred to the genus Lioporeus. The species is known from North America. As a member of Dytiscidae, it is an aquatic predator.
Matus
Matus is a genus of predaceous diving beetles in the family Dytiscidae, subfamily Matinae. First described by Aubé in 1836, this genus belongs to the tribe Matini. Members of this genus are aquatic beetles adapted to life in freshwater environments. The genus contains multiple species distributed across various regions.
Matus bicarinatus
Matus bicarinatus is a predaceous diving beetle in the family Dytiscidae. It belongs to the subfamily Matinae, a group of specialized diving beetles. The species is documented from North America, with records from Ontario, Canada. Knowledge of its biology remains limited due to few observations.
Meridiorhantus calidus
Meridiorhantus calidus is a predaceous diving beetle in the family Dytiscidae. The species was transferred from the genus Rhantus to Meridiorhantus based on phylogenetic studies. It is found in North America and the Neotropics. The species was originally described by Fabricius in 1792 as Dytiscus calidus.
Metaxydytes fraternus
Metaxydytes fraternus is a species of predaceous diving beetle in the family Dytiscidae. It belongs to a small genus of aquatic beetles found in the Neotropical region. Very few observations of this species have been documented, with only six records currently available.
Nartus
Nartus is a genus of predaceous diving beetles (family Dytiscidae) comprising at least two described species: Nartus grapii and Nartus sinuatus. The genus was reinstated by Balke et al. in 2017 to accommodate species formerly placed in Rhantus, based on molecular and morphological evidence distinguishing them from that genus. As members of the subfamily Colymbetinae, these beetles are aquatic predators inhabiting freshwater environments.
Nartus sinuatus
Nartus sinuatus is a predaceous diving beetle in the family Dytiscidae, found in North America. The species was transferred from the genus Rhantus to Nartus based on phylogenetic revisions. It is a small to medium-sized aquatic beetle with distinctive morphological features useful for identification.
Nebrioporus depressus
Nebrioporus depressus is a predaceous diving beetle (Coleoptera: Dytiscidae) first described by Fabricius in 1775. It belongs to the N. depressus-group, the most speciose species-group within the genus Nebrioporus. The species is distributed across the Holarctic region, occurring in Europe, Northern Asia (excluding China), and North America. As a member of Dytiscidae, it is adapted to aquatic habitats where it functions as an active predator.
Nebrioporus macronychus
Nebrioporus macronychus is a predaceous diving beetle in the family Dytiscidae. The species was described by Shirt & Angus in 1992. It belongs to the genus Nebrioporus, a group of small to medium-sized diving beetles primarily associated with running waters. The specific epithet 'macronychus' refers to enlarged claws, a distinctive morphological feature of this species.
Nectoporus crassulus
Nectoporus crassulus is a species of predaceous diving beetle (family Dytiscidae) described by Fall in 1923. It belongs to the subfamily Hydroporinae, a diverse group of small to medium-sized diving beetles. The genus Nectoporus is part of the subtribe Deronectina, which contains species primarily associated with freshwater habitats.
Neoclypeodytes leachi
Neoclypeodytes leachi is a species of predaceous diving beetle in the family Dytiscidae, first described by Leech in 1948. It belongs to the genus Neoclypeodytes, a group of small diving beetles within the tribe Bidessini. The species is known from North America, though specific details about its biology and ecology remain limited in published literature.
Neoclypeodytes plicipennis
Neoclypeodytes plicipennis is a predaceous diving beetle in the family Dytiscidae, first described by Crotch in 1873. It belongs to a western North American and northern Central American genus characterized by a distinctive pattern of two maculae on each elytron. A lectotype was designated for this species during the 2001 revision of the genus.
Neoporus mellitus
Neoporus mellitus is a small predaceous diving beetle (family Dytiscidae) in the subfamily Hydroporinae. Originally described by LeConte in 1855 as Hydroporus mellitus, the species was later transferred to the genus Neoporus. It is recorded from eastern North America, with confirmed observations in New Brunswick and Ontario, Canada. Like other members of the genus, it inhabits freshwater aquatic environments.
Neoporus shermani
Neoporus shermani is a predaceous diving beetle in the family Dytiscidae, described by Fall in 1917. It belongs to the subfamily Hydroporinae, a group of small to medium-sized diving beetles. The species is recorded from North America, though specific habitat and ecological details remain poorly documented.
Neoporus sulcipennis
Neoporus sulcipennis is a species of predaceous diving beetle in the family Dytiscidae. It is found in North America.
Neoporus superioris
Neoporus superioris is a species of predaceous diving beetle in the family Dytiscidae, first described by J. Balfour-Browne in 1944 under the basionym Hydroporus superioris. The species belongs to the subfamily Hydroporinae, a diverse group of small to medium-sized diving beetles. It is known from North America with confirmed records from Alberta and British Columbia in Canada.