Pecos desert firefly
Microphotus pecosensis is a firefly species in the beetle family Lampyridae, first described by Fall in 1912. It belongs to the genus Microphotus, which comprises small, often dimly luminescent fireflies found in arid and semi-arid regions of North America. The species is known from limited observations, with only 14 documented records on iNaturalist.
Microscapha clavicornis is a small beetle species in the family Melandryidae, described by John Lawrence LeConte in 1866. It belongs to a genus characterized by compact body forms and clubbed antennae, as suggested by the species epithet. The species has been documented in eastern Canada, with records from New Brunswick, Ontario, and Quebec. Like other members of Melandryidae, it is likely associated with decaying wood and fungal habitats, though specific ecological details remain poorly documented.
Monocrepidius auritus is a species of click beetle in the family Elateridae. As a member of this large beetle family, it possesses the characteristic ability to right itself from a supine position using a prosternal spine and mesosternal groove mechanism. The genus Monocrepidius contains multiple species distributed across various regions. Specific ecological details for M. auritus remain limited in available sources.
Monocrepidius parallelus is a species of click beetle in the family Elateridae. It belongs to a genus of beetles characterized by the distinctive clicking mechanism used to right themselves when overturned. Limited specific information is available regarding its biology and ecology.
Monophylla californica is a species of checkered beetle in the family Cleridae. The species was described by Fall in 1901. It occurs in Central America and North America. As a member of the Cleridae family, it belongs to a group commonly known as checkered beetles, which are primarily predatory.
root-eating beetle
Monotoma americana is a small beetle species in the family Monotomidae, commonly referred to as root-eating beetles. The species is documented from North America, with records from Canada (Ontario, Québec) and the United States. As a member of Monotomidae, it is associated with feeding on fungal hyphae and decaying organic matter, though specific ecological details for this species remain limited.
tumbling flower beetles
Mordella is the type genus of the tumbling flower beetle family Mordellidae. Species in this genus occur on every continent except Antarctica, with broad distribution in the Holarctic region. The larvae are primarily borers in dead wood. Adults are commonly found on flowers and exhibit the characteristic tumbling escape behavior that gives the family its common name.
Mordella knulli is a species of tumbling flower beetle in the family Mordellidae, first described by Liljeblad in 1922. It belongs to the superfamily Tenebrionoidea and is part of the diverse genus Mordella, which contains numerous small, wedge-shaped beetles commonly associated with flowers. The species is recorded from North America, though specific details about its biology and ecology remain limited in published literature.
Mordellistena comata is a species of tumbling flower beetle (family Mordellidae) described by John Lawrence LeConte in 1858. It belongs to a genus of small, elongate beetles commonly found on flowers. The species is documented from North America, though specific details about its biology and ecology remain limited in published sources.
Mordellistena morula is a small beetle species in the family Mordellidae, first described by John Lawrence LeConte in 1862. It belongs to a genus characterized by humpbacked bodies and pointed abdomens that enable their distinctive tumbling escape behavior. The species has been recorded across multiple Canadian provinces.
Mordellistena smithi is a species of tumbling flower beetle in the family Mordellidae. It was described by Dury in 1902. The species is known from eastern and central Canada, with records from Manitoba, Ontario, and Québec. As a member of the genus Mordellistena, it shares the characteristic wedge-shaped body form and hump-backed profile typical of this diverse genus of small beetles.
Mordellistena suturella is a species of tumbling flower beetle in the family Mordellidae. It was described by Helmuth in 1864. The species belongs to a genus of small, wedge-shaped beetles commonly associated with flowers and decaying wood. Specific biological details for this species remain poorly documented in available literature.
Mordellistena syntaenia is a small beetle species in the family Mordellidae, commonly known as tumbling flower beetles. It was described by Swedish entomologist Emil Liljeblad in 1921. The species is recorded from several Canadian provinces including Manitoba, New Brunswick, and Nova Scotia. Like other members of its genus, it likely inhabits flowers and decaying plant material.
minute beetle, murmidius beetle
Murmidius ovalis is a small beetle species in the family Murmidiidae, commonly known as the minute beetle or murmidius beetle. Originally described as Hister ovalis by Beck in 1817, it is a widespread species found across Europe, Northern Asia (excluding China), and North America. The species has also been recorded from the Galápagos Islands.
Mycetophagus fulvicollis is a species of hairy fungus beetle in the family Mycetophagidae, first described by Fabricius in 1792. This small beetle is associated with fungal decay in wood and is part of the diverse community of insects that colonize dead and decaying timber. The species has a broad distribution across Europe and extends into parts of Asia.
hairy fungus beetle
Mycetophagus melsheimeri is a species of hairy fungus beetle described by LeConte in 1856. It belongs to the family Mycetophagidae, a group of beetles associated with fungal habitats. The species is known from North America, with records primarily from the United States. Limited observational data exist, with only seven records documented on iNaturalist.
Mychocerinus is a small genus of beetles in the family Murmidiidae, established by Ślipiński in 1990. The genus contains two described species: Mychocerinus arizonensis from Arizona and Mychocerinus depressus described by LeConte in 1866. Murmidiidae beetles are small, often found in association with fungi or decaying plant matter. The genus appears to have limited documentation with few observational records.
Mychocerinus depressus is a small beetle species in the family Murmidiidae, first described by LeConte in 1866. The species is found in North America, with confirmed records from Ontario, Canada. Murmidiidae is a small family of beetles within the order Coleoptera, and members of this family are generally associated with decaying plant material and fungi. Very little is known about the specific biology or ecology of M. depressus beyond its basic taxonomic placement and geographic distribution.
antlike weevil
Myrmex basalis is a species of antlike weevil in the family Curculionidae. The species was described by Schaeffer in 1907 and is currently classified under the genus Myrmex, though it was previously placed in Otidocephalus. Very little is known about its biology or distribution beyond basic taxonomic records.
Narthecius is a genus of small beetles in the family Laemophloeidae, established by J.L. LeConte in 1861. The genus contains nine described species distributed in North America and Europe. Species in this genus are characterized by their flattened body form, typical of the family Laemophloeidae, which are commonly known as lined flat bark beetles. These beetles are primarily associated with dead or decaying wood habitats.
Naupactus peregrinus is a species of broad-nosed weevil in the family Curculionidae, subfamily Entiminae. It belongs to the large Neotropical genus Naupactus, commonly known as "white-fringed weevils." The species has been recorded from the southeastern United States (Alabama, Arkansas, Florida) and parts of South America (Chaco, Entre Ríos in Argentina). Like other members of its genus, it is likely associated with vegetation and may have been introduced to some regions, though specific ecological details remain poorly documented.
Colonist Click Beetle
Negastrius colon is a species of click beetle in the family Elateridae, described by Horn in 1871. It is known from western Canada, specifically Alberta and British Columbia. The common name "Colonist Click Beetle" has been assigned through iNaturalist. As a member of the genus Negastrius, it belongs to a group of small click beetles, though specific details about its biology and ecology remain poorly documented in the scientific literature.
Nematodes collaris is a species of beetle in the family Eucnemidae, commonly known as false click beetles. The genus Nematodes is part of the diverse beetle fauna, with species typically characterized by their elongated bodies and association with decaying wood. This species is known from very limited observations, with only two documented records on iNaturalist. Members of Eucnemidae are often found in forested habitats where their larvae develop in dead or decaying wood, contributing to nutrient cycling processes.
Nematodini is a tribe of false click beetles (family Eucnemidae) established by Leiler in 1976. Members of this tribe are classified within the subfamily Macraulacinae and share morphological characteristics related to their elongated body form and reduced elytral striation patterns. The tribe is distinguished from related groups by specific antennal and prosternal features.
Nematoplus collaris is a species of false longhorn beetle in the family Stenotrachelidae. It is known from eastern North America, with records from New Brunswick, Ontario, and Québec in Canada. The species was described by John Lawrence LeConte in 1855. Very little published information exists regarding its biology, habitat preferences, or ecology.
Nemotarsus rhombifer is a species of ground beetle in the family Carabidae, first described by Henry Walter Bates in 1883. It belongs to the subfamily Lebiinae and tribe Cyclosomini. The species has been recorded from Guatemala, Mexico, and the United States, spanning parts of Central and North America.
flower longhorn beetle
Neoalosterna capitata is a species of flower longhorn beetle in the family Cerambycidae. It is found in eastern North America, with records from Canada including New Brunswick, Nova Scotia, Ontario, and Québec. The species was originally described by Newman in 1841 under the basionym Allosterna capitata. As a member of the subfamily Lepturinae, adults are likely associated with flowers, though specific ecological details remain poorly documented.
minute moss beetle
Neochthebius vandykei is a species of minute moss beetle in the family Hydraenidae. It was described by Knisch in 1924. The species is found in western North America, with records from British Columbia, Canada and California, USA. Like other members of Hydraenidae, it is a small beetle associated with moist habitats.
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.
Banded Ash Borer
Neoclytus caprea, commonly called the banded ash borer, is a North American longhorn beetle in the family Cerambycidae. Adults display striking yellow and black (females) or white and black (males) banded coloration that mimics wasps. The species develops in the sapwood of ash, hickory, elm, and oak trees, completing one generation per year. Unlike the invasive emerald ash borer, this native species primarily colonizes stressed, dying, or recently dead wood rather than healthy trees.
Neoclytus torquatus is a species of longhorn beetle (family Cerambycidae) in the tribe Clytini. It was described by John Lawrence LeConte in 1873. Like other members of the genus Neoclytus, it is likely a wasp mimic with rapid, darting movements that enhance its resemblance to stinging insects. The species is distributed in North America, with records from the United States and Mexico.
Neocrepidodera robusta is a species of flea beetle in the leaf beetle family Chrysomelidae. It was described by LeConte in 1874. The species is known from North America, with records from western and central Canadian provinces including Alberta, British Columbia, and Manitoba. As a member of the subfamily Alticinae, it possesses the enlarged hind femora characteristic of flea beetles, enabling jumping locomotion.
Neohedobia texana is a small beetle species in the family Ptinidae (formerly placed in Anobiidae), described by Fisher in 1919. The genus Neohedobia is part of the diverse group of anobiid beetles commonly known as deathwatch beetles or furniture beetles. Very little published information exists on the natural history of this particular species, which appears to be rarely collected and poorly represented in entomological collections.
Neolitochrus pulchellus is a species of beetle in the family Phalacridae, a group commonly known as shining flower beetles. The genus Neolitochrus is part of this small family of beetles that are typically associated with flowers and fungal spores. As with many phalacrid beetles, this species is likely small and compact with a shiny, rounded body form characteristic of the family.
Neoproxius schwarzii is a species of narrow-waisted bark beetle in the family Salpingidae. Members of this genus are small, elongate beetles associated with dead or decaying wood. The species was described by American entomologist Ernst A. Schwarz, after whom it is named. Like other salpingids, it likely inhabits forested environments where it contributes to decomposition processes.
Neoxenus is a genus of fungus weevils in the beetle family Anthribidae. The genus was established by Valentine in 1998 and contains approximately six described species. Members of this genus are part of the diverse weevil fauna associated with fungal substrates.
Dusky Lady Beetle
Nephus binaevatus is a small lady beetle species in the family Coccinellidae, commonly known as the Dusky Lady Beetle. The genus Nephus comprises diminutive lady beetles, many of which are associated with scale insects and mealybugs as prey. This species has a notably broad geographic distribution spanning Africa, North America, and Oceania, suggesting either natural dispersal capabilities or human-mediated spread. The specific epithet 'binaevatus' refers to two spots or markings, though the exact pattern requires verification from specimen examination.
Mexican burying beetle
Nicrophorus mexicanus is a burying beetle in the family Silphidae, described by Matthews in 1888. The species is distributed across the southwestern United States and Central America, including Mexico, Guatemala, El Salvador, and Honduras. As a member of the genus Nicrophorus, it exhibits the characteristic behavior of burying small vertebrate carcasses to serve as food for developing larvae.
Nodopus flavilabris is a species of soft-bodied plant beetle in the family Melyridae. It belongs to a small genus of beetles distributed in eastern North America. The species was described by Thomas Say in 1825 and is recognized as valid in current taxonomic databases. Records indicate presence in eastern Canadian provinces.
monoceros beetle
Notoxus conformis is a species of monoceros beetle in the family Anthicidae. It is found in Central America and North America. The species belongs to a genus characterized by a distinctive horn-like projection on the pronotum.
Octinodes amplicollis is a species of jewel beetle in the family Buprestidae. The species has been documented in the southwestern United States, with confirmed observations in Arizona. Adults have been collected from flowers of Isocoma tenuisecta and other yellow composite flowers in late summer. The species belongs to a genus of small to medium-sized buprestid beetles.
Odonteus is a genus of earth-boring dung beetles in the family Bolboceratidae, comprising approximately 60 described species distributed across multiple continents. The genus was established by Samouelle in 1819, predating the synonym Bolboceras by one month; this priority was formally recognized by ICZN Opinion 2138 in 2006. Species in this genus exhibit considerable morphological diversity, particularly in horn development and body sculpturing. The type species is Odonteus armiger (Scopoli, 1772).
false blister beetles, pollen-feeding beetles
Oedemeridae is a cosmopolitan family of beetles containing approximately 100 genera and 1,500 species. Adults are slender, soft-bodied beetles commonly found on flowers and foliage, where they feed primarily on pollen and nectar. Larvae develop in decaying wood or herbaceous plant stems, with most species being xylophagous. The family is notable for producing cantharidin, a toxic defensive compound also found in blister beetles (Meloidae), which makes adults chemically protected and often brightly colored with aposematic coloration.
wrinkled bark beetle
A small beetle in the family Rhysodidae, described by John Lawrence LeConte in 1875. Adults measure 6–7 mm in length. The common name 'wrinkled bark beetle' applies to this species but also refers to the entire family Rhysodidae.
narrow-necked grain beetle, predator beetle
Omonadus floralis is an antlike flower beetle in the family Anthicidae, commonly known as the narrow-necked grain beetle. The species has a broad geographic distribution spanning the Caribbean, Central America, North America, Oceania, and South America. A scientific study has documented data on its life cycle, though specific details are not fully accessible from available sources.
Omorgus inflatus is a species of hide beetle in the family Trogidae, described by Loomis in 1922. Members of this genus are commonly known as skin beetles and are associated with decomposing animal matter. The species has been recorded from the southwestern United States and northern Mexico.
clown beetle
Onthophilus deflectus is a species of clown beetle in the family Histeridae, first described by Helava in 1978. It belongs to a genus of small, compact beetles often associated with decaying organic matter. The species is known from scattered records across eastern and central North America.
Oodes amaroides is a ground beetle species in the family Carabidae, first described by Dejean in 1831. It belongs to the subfamily Licininae and tribe Oodini. The species is documented from North America, with occurrence records from Canada and the United States. As a member of the genus Oodes, it shares characteristics with other oodine ground beetles, though specific biological details remain limited in published literature.
Ophryastes is a genus of broad-nosed weevils in the family Curculionidae, first described by Germar in 1829. The genus contains at least 30 described species and belongs to the tribe Ophryastini within the subfamily Entiminae. These weevils are part of the diverse group of root-feeding weevils characterized by their broad, short rostrums.
broad-nosed weevil
Ophryastes cinerascens is a species of broad-nosed weevil in the beetle family Curculionidae, first described by Pierce in 1913. It belongs to the tribe Ophryastini within the subfamily Entiminae. The species is native to western North America, with documented occurrences in British Columbia, Oregon, and Washington. As a member of the broad-nosed weevil group, it possesses the characteristic elongated snout typical of the family Curculionidae.