Diving-beetle
Guides
Hygrotus dissimilis
Hygrotus dissimilis is a species of diving beetle in the family Dytiscidae, subfamily Hydroporinae. It was described by Gemminger and Harold in 1868. The species is placed in the genus Hygrotus, a group of small to medium-sized predatory beetles associated with aquatic habitats. As with many diving beetles, specific ecological and behavioral details for this species remain limited in published literature.
Hygrotus falli
Hygrotus falli is a diving beetle species in the family Dytiscidae, originally described by Wallis in 1924 under the basionym Coelambus falli. The species belongs to a genus of small to medium-sized predatory diving beetles commonly found in freshwater habitats. As with other members of Dytiscidae, it is likely adapted to aquatic life with modified hind legs for swimming, though specific ecological details for this species remain poorly documented in available sources.
Hygrotus impressopunctatus
Hygrotus impressopunctatus is a small diving beetle in the family Dytiscidae, first described by Schaller in 1783. It belongs to the subfamily Hydroporinae and is native to Europe. The species has been recorded in freshwater habitats. GBIF data indicate potential presence in North America and Southern Asia, though European distribution is best documented.
Hygrotus nubilus
Hygrotus nubilus is a diving beetle in the family Dytiscidae, first described by John Lawrence LeConte in 1855. Like other members of the genus, this species is associated with freshwater aquatic habitats. The genus Hygrotus is widely distributed across North America and includes numerous species of small to medium-sized diving beetles.
Hygrotus patruelis
Hygrotus patruelis is a species of diving beetle in the family Dytiscidae, first described by John Lawrence LeConte in 1855. It belongs to the genus Hygrotus, a group of small to medium-sized predaceous diving beetles commonly found in aquatic habitats. The species is recorded from North America. Like other dytiscids, it is adapted to underwater life with specialized respiratory structures.
Hygrotus picatus
Hygrotus picatus is a species of predaceous diving beetle in the family Dytiscidae. It is native to North America and belongs to a genus of small to medium-sized diving beetles commonly found in freshwater habitats. The species was first described by William Kirby in 1837. Like other members of Dytiscidae, it is adapted to aquatic life with streamlined bodies and modified hind legs for swimming.
Hygrotus punctilineatus
Hygrotus punctilineatus is a small diving beetle in the family Dytiscidae, subfamily Hydroporinae. It is one of many North American species in the genus Hygrotus, which are generally associated with lentic freshwater habitats. The species was described by Fall in 1919 based on specimens from North America. Like other members of Hygrotus, it is presumed to be an aquatic predator in standing water bodies, though specific ecological studies are limited.
Hygrotus salinarius
Hygrotus salinarius is a small diving beetle in the family Dytiscidae, originally described as Coelambus salinarius by Wallis in 1924. The species is native to North America and belongs to a genus commonly associated with saline or alkaline wetlands. Like other members of Dytiscidae, it is an aquatic predator as both larva and adult. Specific ecological details remain poorly documented in published literature.
Hygrotus sellatus
Hygrotus sellatus is a small diving beetle in the family Dytiscidae, described by LeConte in 1866. The species is known from North America, with limited observational records. As a member of the subfamily Hydroporinae, it inhabits freshwater aquatic environments.
Hygrotus tumidiventris
Hygrotus tumidiventris is a small diving beetle in the family Dytiscidae, originally described as Coelambus tumidiventris by Fall in 1919. It belongs to the subfamily Hydroporinae, a diverse group of predominantly small predatory aquatic beetles. The species is known from North America, though specific ecological details remain poorly documented. Like other Hygrotus species, it likely inhabits shallow freshwater habitats.
Hygrotus turbidus
Hygrotus turbidus is a species of diving beetle in the family Dytiscidae. It belongs to the subfamily Hydroporinae, a group of small to medium-sized predaceous diving beetles. The species was described by John Lawrence LeConte in 1855 and is known from North America. Like other members of the genus Hygrotus, it is likely associated with freshwater aquatic habitats.
Ilybius quadrimaculatus
Ilybius quadrimaculatus is a predaceous diving beetle in the family Dytiscidae, first described by Aubé in 1838. The species occurs in North America, with records from Alberta and British Columbia in Canada. As a member of the subfamily Agabinae, it inhabits freshwater aquatic environments where it functions as an active predator.
Laccophilus
Laccophilus is a genus of small diving beetles in the family Dytiscidae, distributed across temperate and tropical regions worldwide. These beetles inhabit freshwater environments and are characterized by their compact, oval bodies and relatively short antennae. The genus contains numerous species, though many remain poorly documented. Members are active swimmers and predators in aquatic ecosystems.
Laccophilus fasciatus terminalis
Laccophilus fasciatus terminalis is a subspecies of diving beetle in the family Dytiscidae, described by Sharp in 1882. As a member of the genus Laccophilus, it belongs to a group of small predatory aquatic beetles commonly known as crawling water beetles. The subspecies designation indicates geographic or morphological variation within the widespread species Laccophilus fasciatus. Like other laccophilines, it inhabits freshwater environments where it preys on small invertebrates.
Laccophilus gentilis
Laccophilus gentilis is a small predatory diving beetle in the family Dytiscidae, described by LeConte in 1863. It belongs to the subfamily Laccophilinae, a group of small, often brightly marked diving beetles commonly found in vegetated freshwater habitats. The species occurs in North America and Middle America. Like other members of its genus, it is an aquatic predator that likely inhabits ponds, marshes, and slow-moving waters with abundant vegetation.
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 pictus coccinelloides
Laccophilus pictus coccinelloides is a subspecies of diving beetle in the family Dytiscidae, first described by Régimbart in 1889. It belongs to the genus Laccophilus, a group of small predatory diving beetles commonly found in aquatic habitats. The subspecies epithet 'coccinelloides' suggests a resemblance to ladybird beetles (Coccinellidae), likely referring to coloration or patterning. Like other members of its genus, this beetle is adapted to freshwater environments where it preys on small aquatic organisms.
Laccophilus pictus insignis
Laccophilus pictus insignis is a subspecies of diving beetle in the family Dytiscidae, described by Sharp in 1882. It belongs to the genus Laccophilus, a group of small predatory diving beetles commonly known as water beetles. The subspecies is distributed across Middle America and North America. As with other members of its genus, it is likely an aquatic predator inhabiting freshwater environments, though specific ecological details for this subspecies remain poorly documented in available sources.
Laccophilus sonorensis
Laccophilus sonorensis is a species of predaceous diving beetle in the family Dytiscidae, described by Zimmerman in 1970. It belongs to the genus Laccophilus, a group of small to medium-sized diving beetles commonly found in aquatic habitats. The species is distributed in Middle America. Very little specific information is available about its biology or ecology.
Leconectes striatellus
Leconectes striatellus is a species of predaceous diving beetle in the family Dytiscidae. The species was originally described as Hydroporus striatellus by LeConte in 1852 and later transferred to the genus Leconectes. It occurs in freshwater aquatic habitats across North and Middle America. As a member of the subfamily Hydroporinae, it represents a lineage of small to medium-sized diving beetles.
Liodessus
Liodessus is a genus of small diving beetles in the family Dytiscidae, tribe Bidessini. Species occur across the Americas from North America through the Andes to southern South America, with notable diversity in high-altitude wetlands and páramo ecosystems. Many species inhabit shallow, exposed pools and temporary water bodies, showing phenotypic plasticity in body form correlated with habitat permanence. The genus contains numerous species, with several new species described from the high Andes of Peru and Colombia in recent years. Taxonomic resolution relies heavily on male genital morphology.
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Cantrall's bog beetle, Cantrall's Bog-beetle
Liodessus cantralli, known as Cantrall's bog beetle, is a small predaceous diving beetle in the family Dytiscidae. It belongs to the tribe Bidessini within the subfamily Hydroporinae. The species was described by Young in 1953 and was originally placed in the genus Bidessus. It occurs in bog habitats in parts of North America, with confirmed records from the Canadian provinces of Alberta and Manitoba.
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 flavicollis
Liodessus flavicollis is a species of predaceous diving beetle (Coleoptera: Dytiscidae) described by LeConte in 1855. The species belongs to the tribe Bidessini within the subfamily Hydroporinae, a group of small diving beetles commonly found in freshwater habitats. The specific epithet flavicollis refers to the yellowish coloration of the pronotum. The genus Liodessus contains numerous small-bodied species that are often challenging to distinguish without detailed examination.
Lioporeus triangularis
Lioporeus triangularis is a species of predaceous diving beetle in the family Dytiscidae. Originally described as Hydroporus triangularis by Fall in 1917, it was later transferred to the genus Lioporeus. The species is known from North America and belongs to the subfamily Hydroporinae, a diverse group of small to medium-sized diving beetles.
Mesonoterus addendus
Mesonoterus addendus is a small diving beetle species in the family Noteridae, first described by Blatchley in 1920. The species belongs to a genus of burrowing water beetles adapted to aquatic habitats. Based on the limited available records, this species has been documented from the Caribbean and North America. The genus Mesonoterus contains species typically associated with shallow, often temporary aquatic habitats where they burrow in muddy or sandy substrates.
Mystonectes coelamboides
Mystonectes coelamboides is a small diving beetle in the family Dytiscidae, first described by Fall in 1923. It belongs to the subfamily Hydroporinae, a group of predominantly small dytiscids often associated with specialized aquatic habitats. The genus Mystonectes contains few described species and is characterized by distinctive morphological adaptations. Records of this species are sparse, with limited observational data available.
Mystonectes titulus
Mystonectes titulus is a species of diving beetle in the family Dytiscidae, subfamily Hydroporinae. It is a small predatory aquatic beetle inhabiting freshwater environments. The species was described by Leech in 1945 and is known from North America.
Nebrioporus rotundatus
Nebrioporus rotundatus is a species of diving beetle in the family Dytiscidae, occurring in North America. It belongs to a genus of small predaceous diving beetles commonly found in freshwater habitats. The species was described by LeConte in 1863 and is currently accepted as valid.
Nectoboreus
Nectoboreus is a genus of diving beetles in the family Dytiscidae, subfamily Hydroporinae. The genus was described in 2018 by Fery and Ribera based on species previously assigned to other genera, particularly within the Deronectina subtribe. Members of this genus are small to medium-sized predatory aquatic beetles. As a recently established genus, its species-level taxonomy and biology remain under investigation.
Nectoporus
Nectoporus is a genus of diving beetles (family Dytiscidae) established by Guignot in 1950. It belongs to the subfamily Hydroporinae, a diverse group of small to medium-sized predatory aquatic beetles. Members of this genus are found in freshwater habitats, primarily in the Southern Hemisphere based on available distribution records. As with other dytiscids, they are aquatic predators with adaptations for underwater life including modified hind legs for swimming.
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.
Neobidessus pullus
Neobidessus pullus is a small predaceous diving beetle in the family Dytiscidae. The species occurs across North America and extends into the Neotropics. Two subspecies are recognized: the nominate N. p. pullus and N. p. floridanus described from Florida. As a member of the tribe Bidessini, it inhabits aquatic environments where it functions as an active predator.
Neoclypeodytes amybethae
Neoclypeodytes amybethae is a species of predaceous diving beetle in the family Dytiscidae, described by K. B. Miller in 2001 as part of a comprehensive revision of the New World genus Neoclypeodytes. The genus contains 25 valid species distributed in western North America and northern Central America. Species in this genus are characterized by a distinctive pattern of two maculae on each elytron, which represents a possible synapomorphy supporting the monophyly of Neoclypeodytes.
Neoclypeodytes cinctellus
Neoclypeodytes cinctellus is a small predaceous diving beetle in the family Dytiscidae. It is distributed across western North America and northern Central America. The species has been documented as a predator of the critically endangered Devils Hole pupfish (*Cyprinodon diabolis*), representing a notable conservation concern. It was formerly described under the name *N. centralis* before being synonymized.
Neoclypeodytes haroldi
Neoclypeodytes haroldi is a species of predaceous diving beetle in the family Dytiscidae, described by K.B. Miller in 2001 as part of a comprehensive revision of the genus Neoclypeodytes. The genus is characterized by a distinctive pattern of two maculae on each elytron, which serves as a possible synapomorphy supporting its monophyly. N. haroldi is one of 25 recognized valid species in this western North American and northern Central American genus.
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 ornatellus
Neoclypeodytes ornatellus is a small diving beetle (Coleoptera: Dytiscidae) in the tribe Bidessini. The species was described by Fall in 1917 and is part of a western North American genus characterized by distinctive elytral maculation patterns. A lectotype was designated for this species in a 2001 revision of the genus.
Neoclypeodytes quadripustulatus
A small diving beetle in the genus Neoclypeodytes, characterized by the distinctive elytral pattern of four maculae (two per elytron) that is diagnostic for the genus. The species was described by Fall in 1917 and occurs in western North America. A lectotype was designated in the 2001 revision by Young.
Neoclypeodytes roughleyi
Neoclypeodytes roughleyi is a species of small diving beetle described by K.B. Miller in 2001 during a comprehensive revision of the genus Neoclypeodytes. It is one of eleven new species described in that revision, which recognized 25 valid species in this western North American and northern Central American genus. The genus is characterized by a distinctive pattern of two maculae on each elytron, the only known synapomorphy supporting its monophyly. As a member of the Bidessini tribe within Hydroporinae, it belongs to a group of small, often overlooked aquatic beetles.
Neoporus arizonicus
Neoporus arizonicus is a species of predaceous diving beetle in the family Dytiscidae, subfamily Hydroporinae. First described by Fall in 1917 under the basionym Hydroporus arizonicus, this species is currently classified in the genus Neoporus. It is a small diving beetle known from the southwestern United States, with Arizona representing the core of its known distribution. Like other members of the Hydroporinae, it is adapted to aquatic habitats where it preys on small invertebrates.
Neoporus dilatatus
Neoporus dilatatus is a species of predaceous diving beetle in the family Dytiscidae, subfamily Hydroporinae. It is a small aquatic beetle native to North America. The species was originally described as Hydroporus dilatatus by Fall in 1917 and later transferred to the genus Neoporus. Like other members of Dytiscidae, it is adapted to life in freshwater habitats.
Neoporus gaudens
Neoporus gaudens is a small diving beetle in the family Dytiscidae, subfamily Hydroporinae. The species was described by Fall in 1923 and is currently accepted as valid. Like other members of the genus Neoporus, it is presumed to be an aquatic predator inhabiting freshwater systems. Available records indicate presence in North America, though detailed biological information remains limited.
Neoporus hebes
Neoporus hebes is a small diving beetle (family Dytiscidae) described by Fall in 1923. As a member of the subfamily Hydroporinae, it inhabits freshwater aquatic environments. The genus Neoporus comprises numerous small dytiscid species found primarily in North America. This species is among the lesser-documented members of the genus, with limited observational records available.
Neoporus hybridus
Neoporus hybridus is a diving beetle species in the family Dytiscidae, first described by Aubé in 1838. Originally placed in the genus Hydroporus, it was later transferred to Neoporus. The species belongs to the subfamily Hydroporinae, a diverse group of small to medium-sized predatory aquatic beetles. Records indicate presence in North America, though detailed biological studies appear limited in the available literature.
Neoporus lobatus
Neoporus lobatus is a species of diving beetle in the family Dytiscidae, first described by Sharp in 1882. It belongs to the subfamily Hydroporinae, a diverse group of small predatory aquatic beetles. The genus Neoporus comprises small dytiscids found primarily in North America. Like other members of its family, this species is aquatic and occupies freshwater habitats.
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.
Oreodytes alaskanus
Oreodytes alaskanus is a small predaceous diving beetle in the family Dytiscidae, first described by Fall in 1926. It belongs to the subfamily Hydroporinae, one of the most diverse lineages of diving beetles. The species is associated with freshwater habitats in northern North America.
Oreodytes humboldtensis
Oreodytes humboldtensis is a species of predaceous diving beetle in the family Dytiscidae, described by Zimmerman in 1985. As a member of the genus Oreodytes, it belongs to a group of small diving beetles primarily associated with running water habitats. The species epithet suggests a connection to the Humboldt region, likely referring to Humboldt County or the broader Humboldt Bay area of coastal northern California. Like other Oreodytes species, it is presumed to be an aquatic predator in freshwater systems.