United-states
Guides
Idiopidonia
Idiopidonia is a genus of longhorn beetles (family Cerambycidae) containing a single described species, Idiopidonia pedalis. The genus was established by Swaine and Hopping in 1928 and is classified within the subfamily Lepturinae. It represents a monotypic lineage of flower longhorns with limited documented ecological information.
Ipochus fasciatus
Hairy Borer
Ipochus fasciatus is a longhorn beetle (Cerambycidae) first described by John Lawrence LeConte in 1852. It occurs in Mexico and the United States. The species belongs to the subfamily Lamiinae and tribe Parmenini. Common name 'Hairy Borer' suggests pubescent body covering.
Ischnocybe plicata
Ischnocybe plicata is a species of millipede in the family Andrognathidae, order Platydesmida. It was described by Cook & Loomis in 1928. The species belongs to the suborder Colobognatha, a group characterized by reduced mouthparts and simplified body structures. Like other platydesmidans, it likely inhabits moist forest environments and feeds on decaying organic matter.
Kelisia axialis
Kelisia axialis is a small planthopper species in the family Delphacidae, described by Van Duzee in 1897. It belongs to the subfamily Kelisiinae and is one of numerous species in the genus Kelisia. The species has been documented in scattered localities across the northeastern and north-central United States.
Kibramoa madrona
Kibramoa madrona is a true spider in the family Plectreuridae, described by Gertsch in 1958. It is found in the United States. Members of this family are typically found in arid and semi-arid regions of western North America.
Laevicephalus minimus
Laevicephalus minimus is a species of leafhopper in the family Cicadellidae, first described by Osborn and Ball in 1897. Originally placed in the genus Deltocephalus, it was later transferred to Laevicephalus. The species belongs to the subfamily Deltocephalinae and tribe Paralimnini. It is known from scattered records in the north-central United States.
Laevicephalus sylvestris
Laevicephalus sylvestris is a species of leafhopper in the family Cicadellidae, first described by Osborn & Ball in 1897. It belongs to the subfamily Deltocephalinae and tribe Paralimnini. The species has been documented in scattered records across the eastern and central United States. As with other leafhoppers in this genus, it is presumed to feed on plant sap using piercing-sucking mouthparts, though specific ecological studies are limited.
Laevicephalus unicoloratus
Laevicephalus unicoloratus is a species of leafhopper in the family Cicadellidae, subfamily Deltocephalinae. It was originally described as Deltocephalus unicoloratus by Gillette and Baker in 1895. The species is recorded from several states in the eastern and central United States. As a member of the tribe Paralimnini, it belongs to a group of leafhoppers often associated with moist or wetland habitats.
Lamprosema victoriae
Victorian Lamplighter Moth
Lamprosema victoriae is a moth in the family Crambidae, described by Harrison Gray Dyar Jr. in 1923. It is commonly known as the Victorian Lamplighter Moth. The species has been recorded in the south-central United States, with confirmed occurrences in Louisiana, Mississippi, Oklahoma, and Texas. As a member of the subfamily Spilomelinae, it belongs to a diverse group of grass moths and related species.
Laphria ithypyga
Southern Arrowhead Laphria
Laphria ithypyga is a species of robber fly (family Asilidae) found in the United States. It is commonly known as the Southern Arrowhead Laphria. As a member of the genus Laphria, it is part of a group known for effective bumble bee mimicry, though specific morphological details for this species are not well documented in available sources.
Lasius arizonicus
Arizona Citronella Ant
Lasius arizonicus is a species of ant in the genus Lasius, described by William Morton Wheeler in 1917. It is native to the United States, with records from Arizona. The species belongs to a genus commonly known as citronella ants due to the lemony scent produced by defensive secretions. Like other Lasius species, it likely produces citronellal and formic acid as chemical defenses.
Latalus personatus
Latalus personatus is a leafhopper species in the family Cicadellidae, first described by Beirne in 1954. It is currently considered a synonym of Turrutus personatus. The species is recorded from parts of Canada (Manitoba, Nova Scotia, Québec) and the northeastern United States (New Hampshire). As a member of the subfamily Deltocephalinae and tribe Paralimnini, it belongs to a diverse group of small plant-feeding insects commonly known as leafhoppers.
Lauricius hooki
Lauricius hooki is a species of spider in the family Zoropsidae, commonly known as false wolf spiders or wandering spiders. The species was described by Gertsch in 1941 and is known from the United States. As a member of Zoropsidae, it shares morphological characteristics with wolf spiders (Lycosidae) but belongs to a distinct family within the spider order Araneae.
Lebia abdominalis
Lebia abdominalis is a small ground beetle in the family Carabidae, distributed across Central America, the Caribbean, and the southern United States. The genus Lebia comprises colorful foliage ground beetles often noted for their bright metallic wing covers. This species has been recorded from Belize, Guatemala, Mexico, Nicaragua, Jamaica, and the United States, though detailed ecological information remains limited in the available literature.
Lebia bilineata
Lebia bilineata is a species of ground beetle in the family Carabidae, characterized by its distinctive coloration and pattern. It is one of numerous species in the diverse genus Lebia, which are commonly known as colorful foliage ground beetles. The species is found in Mexico and the United States, with records from the southwestern and western regions of the U.S.
Lebia collaris
Lebia collaris is a species of ground beetle in the family Carabidae, subfamily Lebiinae. It is recorded from the United States, though specific details about its biology and ecology remain poorly documented in available sources. Like other members of the genus Lebia, it likely exhibits the colorful metallic elytra characteristic of this group of foliage ground beetles.
Lebia miranda
Lebia miranda is a small ground beetle in the family Carabidae, subfamily Lebiinae. The genus Lebia comprises colorful foliage ground beetles known for their often bright metallic wing covers. This species is found in North America, with records from the United States and Mexico.
Lebia pectita
Lebia pectita is a species of ground beetle in the family Carabidae, first described by George Henry Horn in 1885. It is native to North America and is one of approximately 175 species in the genus Lebia. Members of this genus are commonly known as colorful foliage ground beetles due to their often bright metallic coloration. The species is documented in the United States, though specific ecological details remain limited.
Lebia scapula
Lebia scapula is a species of foliage ground beetle in the family Carabidae, first described by George Henry Horn in 1885. The genus Lebia comprises relatively small, often brightly colored beetles that are attracted to lights at night. This species is known from North America, with records from the United States and Mexico.
Lecaniobius
Lecaniobius is a genus of chalcidoid wasps in the family Eupelmidae, established by Ashmead in 1896. Members of this genus are parasitoid wasps, a characteristic common to the Eupelmidae family. The genus has been documented from Peru and the United States based on specimen records. As with many chalcidoid genera, detailed biological information remains limited in published literature.
Lechorodius lutulentus
A small scarab beetle in the dung beetle subfamily Aphodiinae, distributed across the eastern and central United States. The species name "lutulentus" (Latin for muddy or turbid) may reference coloration or habitat associations. It belongs to a genus of aphodiine dung beetles that are generally associated with decaying organic matter.
Lepidanthrax angulus
Lepidanthrax angulus is a species of bee fly in the family Bombyliidae. It was described by Osten Sacken in 1886. The species occurs in the southwestern United States and Mexico. As with other bee flies, adults are likely nectar feeders, though specific biological details remain poorly documented.
Leptogaster aegra
Leptogaster aegra is a species of robber fly in the family Asilidae, described by Martin in 1957. It is known from the eastern United States, occurring in regions east of the Rocky Mountains. As with other members of the genus Leptogaster, it is a predatory fly, though specific details of its biology remain poorly documented.
Leptoplectus pertenuis
Leptoplectus pertenuis is a small rove beetle (family Staphylinidae) in the subfamily Pselaphinae, a group commonly known as ant-loving beetles. The species was described by Casey in 1884 under the basionym Euplectus pertenuis. It is recorded across much of the eastern and central United States.
Leptoscydmus cavifrons
Leptoscydmus cavifrons is a species of minute rove beetle in the family Staphylinidae, subfamily Scydmaeninae. It was described by Thomas Lincoln Casey in 1897. The species belongs to the tribe Leptoscydmini, a group of small beetles often referred to as ant-like stone beetles due to their morphology and behavior. Records indicate presence in the eastern United States.
Leptosteges parthenialis
Leptosteges parthenialis is a small crambid moth described in 1917 from the southern United States. The species is documented from Florida, Louisiana, and Oklahoma. Adults are active during the warmer months, with flight records spanning May through August.
Lepturges yucca
Lepturges yucca is a species of longhorn beetle in the family Cerambycidae, subfamily Lamiinae, described by Schaeffer in 1905. The specific epithet "yucca" suggests a possible association with Yucca plants, though this relationship requires verification. The species belongs to the tribe Acanthocinini, a group of small to medium-sized longhorn beetles often associated with woody vegetation.
Leucotabanus annulatus
Leucotabanus annulatus is a species of horse fly in the family Tabanidae. It belongs to the tribe Diachlorini within the subfamily Tabaninae. The species was described by Thomas Say in 1823. It is found in the United States, though specific details about its biology and ecology remain poorly documented in available sources.
Limonius aurifer
Gold-headed Click Beetle
Limonius aurifer is a species of click beetle in the family Elateridae, commonly known as the Gold-headed Click Beetle. It is native to North America and has been documented in Canada (Manitoba, Ontario, Quebec) and the United States. The species is part of the genus Limonius, which includes several economically important agricultural pests known as wireworms. Research has investigated the efficacy of synthetic sex pheromones for trapping multiple Limonius species across various North American locations.
Limonius californicus
sugarbeet wireworm
Limonius californicus, commonly known as the sugarbeet wireworm, is a click beetle in the family Elateridae. The larval stage, referred to as wireworms, is an agricultural pest particularly associated with sugar beet and other crops in the northwestern United States and western Canada. Adult males exhibit distinctive mate-finding behavior, using olfactory cues to locate females that release a sex attractant shortly after emergence.
Lionothus ulkei
A small carrion beetle in the family Leiodidae, described by W.J. Brown in 1937. The species is known from scattered records across the eastern and south-central United States. Like other members of its family, it is associated with decomposing organic matter.
Liriomyza baptisiae
Liriomyza baptisiae is a species of leaf-mining fly in the family Agromyzidae, first described by Frost in 1931. It is native to the United States. Like other members of the genus Liriomyza, the larvae likely feed within leaf tissue, creating characteristic mines. The specific epithet "baptisiae" suggests a possible association with plants in the genus Baptisia (Fabaceae), though this host relationship requires confirmation.
Liriomyza cracentis
Liriomyza cracentis is a species of leaf-mining fly in the family Agromyzidae, described by Lonsdale in 2017. The genus Liriomyza contains numerous economically important leafminer species that damage agricultural crops by creating tunnels in leaf tissue. As a relatively recently described species, detailed biological information for L. cracentis remains limited. The species has been recorded from Vermont, United States.
Liriomyza trifoliearum
Liriomyza trifoliearum is a species of leaf-mining fly in the family Agromyzidae, described by Spencer in 1973. It belongs to a genus containing numerous economically significant agricultural pests, though this particular species is less documented than congeners such as L. trifolii and L. huidobrensis. The species is known from the United States.
Liriomyza violivora
Liriomyza violivora is a leaf-mining fly in the family Agromyzidae, originally described by Spencer in 1986 under the genus Galiomyza before being transferred to Liriomyza. As a member of this genus, it is a small dipteran whose larvae create mines within leaf tissue. The species has been documented in the northeastern United States, specifically Vermont.
Listrochelus juvenilis
Listrochelus juvenilis is a species of scarab beetle in the family Scarabaeidae, subfamily Melolonthinae, described by Fall in 1932. It belongs to a genus of beetles commonly known as May beetles or June beetles. The species has a limited documented distribution in the southwestern United States and northwestern Mexico.
Litopyllus cubanus
Litopyllus cubanus is a species of ground spider in the family Gnaphosidae, first described by Bryant in 1940. It occurs across parts of the Caribbean and southeastern United States. As a member of Gnaphosidae, it belongs to a diverse family of nocturnal hunting spiders commonly known as ground spiders.
Lixus macer
Lixus macer is a species of true weevil in the beetle family Curculionidae. It was described by Petri in 1904. The species is found in North America, specifically in the eastern United States.
Lochmaeocles marmoratus
Southwestern Marbled Longhorn
Lochmaeocles marmoratus is a longhorn beetle (family Cerambycidae) described by Casey in 1913. It occurs in the southwestern United States and Mexico. As a member of the tribe Onciderini, it is likely associated with woody host plants, though specific details for this species remain limited. The species epithet 'marmoratus' refers to a marbled appearance.
Longistigma caryae
Giant Bark Aphid
Longistigma caryae, commonly known as the giant bark aphid, is the largest aphid species native to the United States. First described in 1841 from pignut hickory in Massachusetts, this species was later placed in its own genus due to its distinctive extremely long, slender stigma that extends around the end of the wing. It feeds on the bark of hickory trees and has been documented across eastern and central North America.
Lozotaenia exomilana
Lozotaenia exomilana is a small tortricid moth described by Franclemont in 1986. It is known from a limited geographic range in the eastern United States, specifically North Carolina and Virginia. The species has a wingspan of 11–13 mm and adults are active during the summer months.
Luperosoma parallelum
Luperosoma parallelum is a small leaf beetle in the family Chrysomelidae, measuring 4.3–5.2 mm as an adult. The species is characterized by a reddish brown head and dark elytra with pale margins. It is known from a limited distribution in the south-central United States.
Lyctus opaculus
powder-post beetle
Lyctus opaculus is a powder-post beetle in the family Bostrichidae. It occurs in North America, with records from Canada (Ontario and Québec) and the United States. The species belongs to a genus whose members are known for infesting seasoned hardwoods.
Lygaeospilus fusconervosus
Lygaeospilus fusconervosus is a species of seed bug in the family Lygaeidae, described by Barber in 1948. It belongs to a genus of small to medium-sized lygaeid bugs. The species is known from the United States, with records documented in the mid-20th century. Like other members of Lygaeidae, it is presumed to be associated with seeds, though specific biological details remain poorly documented.
Lygistopterus perfacetus
Lygistopterus perfacetus is a species of net-winged beetle in the family Lycidae. Members of this genus are characterized by their soft, flexible elytra and often bright coloration. The species is known from the southwestern United States and northern Mexico. Like other lycids, adults are typically found in association with flowers or vegetation and are thought to be mimics of other chemically defended insects.
Lygropia plumbicostalis
Lygropia plumbicostalis is a small crambid moth described by Grote in 1871. The species has a wingspan of approximately 27 mm. It occurs in the southwestern and southeastern United States, with records from Arizona, Florida, and Texas. Adults are active from May through September.
Macalla glastianalis
Macalla glastianalis is a species of pyralid moth in the subfamily Epipaschiinae, described by Schaus in 1922. It belongs to the genus Macalla, a group of moths whose larvae are known to feed on poison ivy (Toxicodendron radicans). The species has been recorded in the United States with 87 observations documented on iNaturalist. Like other members of its genus, it is presumably nocturnal and attracted to light.
Macrorhyncolus littoralis
Driftwood Weevil
Macrorhyncolus littoralis, commonly known as the driftwood weevil, is a species of true weevil in the family Curculionidae. The species is currently considered a synonym of Eutornus littoralis according to GBIF records. It has been documented in the conterminous 48 United States. The common name suggests an association with driftwood habitats, though specific ecological details remain poorly documented.
Macrorrhinia aureofasciella
Macrorrhinia aureofasciella is a small snout moth described by Émile Louis Ragonot in 1887. It belongs to the subfamily Phycitinae within the family Pyralidae. The species is known from the southwestern United States, specifically Arizona and Texas.
Macrosteles quadrilineatus
Aster leafhopper, Six-spotted leafhopper
Macrosteles quadrilineatus is a small leafhopper species native to the United States and a major agricultural pest. It is the primary vector of aster yellows phytoplasma, transmitting the pathogen to vegetable crops including carrot, celery, lettuce, and potato. Adults migrate northward in spring on southerly winds, often arriving in the Midwest and northern regions earlier and in greater numbers than resident overwintering populations. The species exhibits polyphagous feeding behavior on numerous grasses, cereals, and broadleaf plants.