Mexico
Guides
Neoclytus modestus
Neoclytus modestus is a species of longhorned beetle in the family Cerambycidae, described by Fall in 1907. It belongs to the tribe Clytini, a group known for wasp-mimicking species with rapid, jerky movements. The species is poorly documented in the literature compared to congeners such as N. caprea and N. acuminatus. Its distribution includes parts of North America, though specific details remain limited.
Neoclytus tenuiscriptus
Neoclytus tenuiscriptus is a species of longhorn beetle in the family Cerambycidae, described by Fall in 1907. It belongs to the genus Neoclytus, a group of wasp-mimicking beetles found in North America. The species is documented from Mexico and the United States, though specific details about its biology and ecology remain limited in available sources. Like other members of its genus, it likely exhibits wasp-like coloration and rapid movement as defensive adaptations.
Neoclytus torquatus
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.
Neocoelidia grandiosa
Neocoelidia grandiosa is a species of leafhopper in the family Cicadellidae, described by Knull in 1942. It belongs to the subfamily Neocoelidiinae, a group characterized by distinctive morphological features related to head structure. The species has been recorded from limited localities in the southwestern United States and Mexico.
Neocompsa puncticollis orientalis
Neocompsa puncticollis orientalis is a subspecies of longhorn beetle in the family Cerambycidae, described by Martins & Chemsak in 1966. It belongs to the tribe Tropidini within the subfamily Cerambicinae. The subspecies is distributed in Middle America and North America, with records from Guatemala and Mexico. As a member of the genus Neocompsa, it is part of a group of small to medium-sized cerambycids typically associated with woody vegetation.
Neofidia humeralis
Neofidia humeralis is a species of leaf beetle in the family Chrysomelidae. It was first described by French entomologist Édouard Lefèvre in 1877, originally as two separate species (Fidia humeralis and Fidia plagiata) that were later synonymized. The species occurs in the southwestern United States and Mexico, with records from Arizona, New Mexico, and southward through the Sierra Madre mountain systems to Oaxaca.
Neoharmonia venusta
V-marked Lady Beetle
Neoharmonia venusta is a species of lady beetle (Coccinellidae) found across much of North America and Mexico. The species comprises two recognized subspecies: N. v. venusta in the eastern and central United States, and N. v. ampla in the southwestern U.S. and Mexico. The nominate subspecies displays a metallic blue coloration with an orange pronotum, while the southwestern subspecies N. v. ampla is notably less commonly encountered.
Neohelvibotys arizonensis
Neohelvibotys arizonensis is a small crambid moth described by H.W. Capps in 1967. The species occurs in the southwestern United States and Mexico, with a wingspan of 20–24 mm. Adults are active during summer months, with flight periods varying by latitude and elevation.
Neomallodon arizonicus
Neomallodon arizonicus is a species of longhorned beetle in the family Cerambycidae, subfamily Prioninae. Originally described by Casey in 1912 under a different name, it was later recognized as a distinct species by Skiles in 1978. The species is found in the southwestern United States and Mexico, with records from Arizona, New Mexico, and Oklahoma. It is among the larger species in the genus and is associated with oak woodland habitats, particularly Gambel oak (Quercus gambelii). Adults are attracted to prionic acid lures and exhibit distinctive searching behavior when attempting to locate pheromone sources.
Neomida ferruginea
Neomida ferruginea is a species of darkling beetle in the family Tenebrionidae, first described by LeConte in 1866. The species is known from Mexico based on distribution records. As a member of Tenebrionidae, it shares family characteristics including a hardened exoskeleton and typically nocturnal habits, though specific biological details for this species remain poorly documented.
Neopsammodius quinqueplicatus
Neopsammodius quinqueplicatus is a species of aphodiine dung beetle described by Horn in 1871. It belongs to the family Scarabaeidae and is part of the Psammodiini tribe, which comprises beetles often associated with sandy habitats. The species occurs in both Nearctic and Neotropical regions.
Neopsammodius werneri
Neopsammodius werneri is a species of aphodiine dung beetle in the family Scarabaeidae. It was described by Cartwright in 1955. The species occurs in both Central America and North America, with records from the southern United States (Texas) and several Mexican states including Chiapas, Oaxaca, and Veracruz, as well as Honduras. As a member of the tribe Psammodiini, it is associated with sandy habitats.
Neozimiris pubescens
Neozimiris pubescens is a species of spider in the family Prodidomidae, first described by Nathan Banks in 1898. It belongs to a family of ground-dwelling spiders known for their cylindrical abdomen and active hunting behavior. The species has been recorded from Mexico and the United States, with distribution spanning parts of Middle America and North America.
Nepheloleuca floridata
Nepheloleuca floridata is a species of geometrid moth described by Grote in 1883. It belongs to the subfamily Ennominae within the family Geometridae. The species has been recorded from limited localities in the southeastern United States and Mexico, suggesting a restricted distribution in subtropical regions of North America.
Nersia florida
Nersia florida is a species of planthopper in the family Dictyopharidae, described by Fennah in 1944. It belongs to the tribe Nersiini and is part of the diverse Fulgoroidea superfamily within the order Hemiptera. Distribution records indicate presence in the southeastern United States (Florida, Mississippi, Texas) and Veracruz, Mexico. The species is one of approximately 429 observations recorded on iNaturalist, suggesting it is not exceptionally rare but also not among the most commonly encountered planthoppers.
Netrosoma
Netrosoma is a genus of grasshoppers in the family Acrididae, subfamily Melanoplinae, first described by Scudder in 1897. Species in this genus are flightless and inhabit aridland scrub environments, particularly in desert regions of the southwestern United States and Mexico. They are often found sheltering beneath vegetation during extreme heat. The genus has been documented roosting on Sotol (Dasylirion) leaves alongside other flightless desert grasshoppers such as Agroecotettix and Phaulotettix.
Netrosoma fusiformis
Fusiform camel cricket
Netrosoma fusiformis is a species of grasshopper in the family Acrididae, subfamily Melanoplinae. The species was described by Scudder in 1897. It is associated with aridland scrub habitats in the southwestern United States and Mexico, particularly in the Big Bend region of Texas. The species has been observed sheltering beneath leaves of sotol (Dasylirion) during extreme midday heat alongside other flightless desert grasshoppers.
Netrosoma nigropleura
Black-striped Desert Grasshopper
Netrosoma nigropleura is a species of grasshopper in the family Acrididae, first described by Scudder in 1897. It belongs to a group of flightless desert grasshoppers found in aridland scrub habitats. The species has been documented in northeastern Mexico, though detailed biological studies remain limited. It shares habitat and behavioral traits with other Netrosoma species, including diurnal shelter-seeking behavior on desert plants during extreme heat.
Nicrophorus mexicanus
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.
burying-beetlecarrion-beetleSilphidaeNicrophorinaeMatthews-1888scavengervertebrate-carcassparental-caresouthwestern-United-StatesCentral-AmericaMexicoGuatemalaEl-SalvadorHondurasArizonaCaliforniaColoradoKansasNew-MexicoNevadaTexasUtahIowadecompositioncarrionNicrophorusbeetleColeopterainsectarthropodNisaxis caudata
ant-loving beetle
Nisaxis caudata is a species of ant-loving beetle (family Staphylinidae) first described by Schaeffer in 1905. It belongs to the subfamily Pselaphinae, a diverse group of small rove beetles often associated with ant colonies. The species has been recorded from North America (Oklahoma and Texas) and Mexico, with additional Central American distribution. Very little detailed biological information is available for this specific species.
Nomada texana
Texas Nomad Bee
Nomada texana, commonly known as the Texas Nomad Bee, is a species of cuckoo bee in the family Apidae. It is native to the southern and western United States and Mexico. As a kleptoparasite, it does not build its own nest or collect pollen, instead laying eggs in the nests of host bee species. Males measure 7.5–8.0 mm and females 8–9 mm. The species exhibits the black and yellow coloration typical of the genus, with reddish legs.
Norape tener
Mesquite Stinger Moth
Norape tener is a flannel moth in the family Megalopygidae, described by Herbert Druce in 1897. The common name "mesquite stinger moth" refers to the larval host plants and the defensive stinging hairs possessed by caterpillars in this genus. Adults are small white moths with distinctive dark markings on the wings and thorax. The species occurs in the southwestern United States and Mexico.
Novalena
Novalena is a genus of funnel weavers (family Agelenidae) comprising 53 described species distributed across North America, Mexico, Central America, and the Caribbean. The genus was established by Chamberlin and Ivie in 1942. A significant taxonomic revision in 2017 by Maya-Morales and Jiménez added numerous Mexican species, and ongoing research continues to describe new species from montane forest habitats.
Obolopteryx brevihastata
Common Short-wing Katydid
A katydid species in the subfamily Phaneropterinae, distributed across the southwestern United States and northern Mexico. Distinguished from congeners by male genitalic and tegminal characters. The specific epithet refers to the relatively short ovipositor.
Obolopteryx castanea
Chestnut Short-winged Katydid, Chestnut Short-wing Katydid
Obolopteryx castanea is a phaneropterine katydid in the family Tettigoniidae. The species is known from North America, with distribution records from Texas and northeastern and Gulf regions of Mexico. Formerly classified under the genus Dichopetala, it was moved to Obolopteryx based on morphological and taxonomic revisions. The common name refers to its chestnut coloration and reduced wing morphology.
Obrium constricticolle
Obrium constricticolle is a species of longhorn beetle (Cerambycidae) described by Schaeffer in 1908. It belongs to the tribe Obriini within the subfamily Cerambycinae. The species is known from the United States and Mexico.
Odontota signaticollis
Odontota signaticollis is a leaf beetle in the family Chrysomelidae, known from Honduras and central Mexico. The species has been documented from Mexico City, Durango, and Puebla. Its biology and ecology remain poorly studied compared to congeners such as the locust leafminer.
Oenopion zopheroides
Oenopion zopheroides is a species of darkling beetle in the family Tenebrionidae, first described by Horn in 1874. The species is endemic to Mexico and belongs to a genus of relatively obscure beetles with limited published documentation. Available records indicate it is a rarely collected species with few observations in natural history databases.
Ogdoconta altura
Ogdoconta altura is a small noctuid moth described by William Barnes in 1904. It occurs in south-central and southern Texas and northeastern Mexico. Adults are active from spring through late summer.
Okanagodes gracilis
Pale-winged Desert Cicada
Okanagodes gracilis is a species of cicada in the family Cicadidae, commonly known as the Pale-winged Desert Cicada. It is found in desert and arid regions of the southwestern United States and northwestern Mexico. The species was described by Davis in 1919 and includes two recognized subspecies: O. g. gracilis and O. g. viridis.
Oligostigmoides cryptalis
Oligostigmoides cryptalis is a moth in the family Crambidae, subfamily Acentropinae. It was described by Herbert Druce in 1896 based on specimens from Mexico. The species has been recorded from montane localities in Mexico (Xalapa, Orizaba), Costa Rica, and Panama. Very few observations exist, with only three records documented on iNaturalist.
Omorgus inflatus
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.
Omorgus nodosus
skin beetle
Omorgus nodosus is a species of skin beetle in the family Trogidae. It has been documented in sandy habitats of the southwestern United States and northern Mexico, where it is active nocturnally. The species feeds on dried animal matter, with observations of individuals feeding on dried dog feces. It occurs in association with sand dune ecosystems, where it has been found walking on sand surfaces at night.
Omorgus scutellaris
Omorgus scutellaris is a species of hide beetle in the family Trogidae. It occurs in the south-central United States and northern Mexico. Like other trogids, it is associated with decomposing animal matter. The species has been documented from sand dune habitats in Texas and is attracted to ultraviolet light.
Oncideres pustulata
Coastal Huisache Girdler
Oncideres pustulata is a species of longhorn beetle in the family Cerambycidae, described by John Lawrence LeConte in 1854. It is distributed across Mexico and the southern United States. The species is a twig girdler, with larvae that develop within girdled branches of host plants in the genera Leucaena and Prosopis. It is known to feed on Leucaena leucocephala, Leucaena pulverulenta, Prosopis alba, and Prosopis chilensis.
Oncideres rhodosticta
Mesquite Girdler
Oncideres rhodosticta is a twig-girdling longhorn beetle (Cerambycidae: Lamiinae) native to the southwestern United States and Mexico. Adults emerge in late summer (August–September) and feed on mesquite foliage. Females engage in distinctive girdling behavior, chewing complete rings through the bark and cambium of living mesquite twigs to create oviposition sites in the dying distal portions. Larvae develop within the dead twigs, completing a one-year life cycle. The species is economically significant as a pest of mesquite in rangeland and agricultural settings.
Oneida luniferella
Oneida luniferella is a species of snout moth in the family Pyralidae, described by George Duryea Hulst in 1895. The species occurs in western North America, including the western United States and Mexico. Two subspecies are recognized: the nominate O. l. luniferella and O. l. pallidalis described by Barnes & Benjamin in 1924.
Onthophagus alluvius
Onthophagus alluvius is a dung beetle species in the family Scarabaeidae, first described by Howden and Cartwright in 1963. It is native to the southern United States, particularly Texas, and extends into central and eastern Mexico. The species has been documented using dog dung as a resource. Like other Onthophagus species, it likely engages in tunneling behavior to bury dung for larval development, though specific behavioral details for this species remain limited.
Onthophagus batesi
Onthophagus batesi is a dung beetle species in the family Scarabaeidae, distributed across Central America, Mexico, and parts of the southern United States. The species belongs to a genus renowned for male horn polymorphism and complex sexual selection dynamics. Like other Onthophagus species, it is associated with mammal dung for feeding and breeding. It was described by Harold in 1867 and has also been classified under the genus Phalops.
Onthophagus browni
Onthophagus browni is a species of dung beetle in the family Scarabaeidae, first described by Howden and Cartwright in 1963. It belongs to the large and diverse genus Onthophagus, which contains over 2,000 species worldwide. Like other members of its genus, this species is associated with mammal dung, playing a role in nutrient cycling. The species is distributed across parts of the southwestern United States and northern Mexico.
Onthophagus coproides
Onthophagus coproides is a small dung beetle in the family Scarabaeidae, described by Horn in 1881. It measures 11–14 mm in length. The species occurs in the southwestern United States and northern Mexico, where it participates in dung decomposition and nutrient cycling in arid and semi-arid environments.
Onthophagus durangoensis
Onthophagus durangoensis is a dung beetle species in the family Scarabaeidae, native to mountainous regions of Mexico and extending into the southwestern United States. It inhabits montane forests and has been documented in states across central and western Mexico, as well as in Arizona and New Mexico. Like other members of its genus, it is associated with mammal dung and plays a role in nutrient cycling in its ecosystems. The species was described by Balthasar in 1939 and is considered valid and accepted in current taxonomy.
Onthophagus hoepfneri
Onthophagus hoepfneri is a dung beetle species in the family Scarabaeidae, first described by Harold in 1869. The species occurs across parts of Mexico, Central America, and the southwestern United States. As a member of the genus Onthophagus, it is likely a tunneler-type dung beetle that buries dung for larval development, though specific behavioral and ecological details for this species remain poorly documented.
Onthophagus mextexus
Onthophagus mextexus is a dung beetle species in the family Scarabaeidae, described by Howden and Cartwright in 1970. The species occurs in montane regions of northeastern Mexico and southern Texas, USA. As a member of the genus Onthophagus, it is presumed to be a tunneler dung beetle that buries dung for larval development, though specific natural history details remain undocumented. The species was described from specimens collected in the Mexican states of Guanajuato, Hidalgo, Nuevo León, Puebla, San Luis Potosí, and Veracruz.
Onthophagus subopacus
Onthophagus subopacus is a dung beetle species in the family Scarabaeidae, described by Robinson in 1940. The species is recorded from the southwestern United States (Arizona) and western Mexico (Durango, Jalisco, Sonora). As a member of the genus Onthophagus, it likely participates in dung burial and nutrient cycling, though specific ecological details remain poorly documented.
Ophraea rugosa
Ophraea rugosa is a leaf beetle in the family Chrysomelidae, first described by Jacoby in 1886. The species has a transcontinental distribution spanning from the southwestern United States through Mexico to Central America. It is one of approximately 13 species in the genus Ophraea, a group of leaf beetles primarily distributed in the Neotropical and Nearctic regions.
Opisthacidius mexicanus
Opisthacidius mexicanus is a species of assassin bug in the family Reduviidae, subfamily Reduviinae. It was described by Peláez in 1942 and is native to Mexico and Middle America. As a member of the Reduviidae, it is presumed to be a predatory insect, though specific ecological details remain poorly documented in available literature.
Orgamara reducta
Orgamara reducta is a species of planthopper in the family Dictyopharidae, first described by Ball in 1909. The species belongs to the subfamily Orgeriinae, a group commonly known as grass-feeding planthoppers. It is distributed across parts of the southwestern United States and northwestern Mexico. Records indicate occurrence in California, New Mexico, and Baja California.
Oslaria
Oslaria is a genus of moths in the family Noctuidae, erected by Harrison Gray Dyar Jr. in 1904. The genus contains three described species distributed in the southwestern United States and Mexico. Members of this genus are part of the diverse owlet moth fauna of arid North American regions.
Osmidus guttatus
Osmidus guttatus is a species of longhorn beetle in the family Cerambycidae, described by John Lawrence LeConte in 1873. It belongs to the tribe Hesperophanini within the subfamily Cerambycinae. The species has been recorded from North America and Mexico.