Desert Ant Cricket, Mann's Ant Cricket
Myrmecophilus manni is a small ant cricket species in the family Myrmecophilidae, commonly known as the Desert Ant Cricket or Mann's Ant Cricket. Like other members of its genus, it lives in close association with ant colonies, where it feeds on ant secretions and nest materials. The species occurs in arid and semi-arid regions of western North America, from southern Washington through Oregon, California, Nevada, and Arizona. Adult specimens typically measure under 5 millimeters in length, with reduced eyes and elongated antennae adapted for life in subterranean ant nests.
Nebraska ant cricket
Myrmecophilus nebrascensis, the Nebraska ant cricket, is a species of ant cricket in the family Myrmecophilidae. It is found in North America, with confirmed records from Arizona, Kansas, Nebraska, Nevada, and New Mexico. Like other members of its family, it is an obligate myrmecophile, living in association with ant colonies. The species was described by Lugger in 1898.
Convex Shieldback
Neduba convexa is a species of shield-backed katydid in the family Tettigoniidae, described by Caudell in 1907. It is found in North America, with confirmed records from California. The species belongs to the tribe Apteropedetini and is one of approximately 20 species in the genus Neduba. Like other shield-backed katydids, it possesses a flattened, shield-like pronotum that extends backward over the abdomen.
Diabolic Shieldback
Neduba diabolica is a species of shield-backed katydid in the family Tettigoniidae. It is known from western North America, with records from California. The species is one of several katydid genera documented as prey for the Great Golden Digger wasp (Sphex ichneumoneus).
wood cricket, ground cricket
Nemobius is a genus of small crickets in the family Trigonidiidae, commonly called wood crickets or ground crickets. The genus serves as the type genus for the subfamily Nemobiinae. Nemobius species are notable hosts for horsehair worms (Paragordius), which manipulate cricket behavior to facilitate their own reproduction. The genus contains approximately eight described species distributed across Europe and other regions.
arid-land katydid, spiny predatory katydid
Neobarrettia is a genus of nine North American predatory katydids distinguished by prominent spines and powerful mandibles adapted for carnivory. These insects inhabit arid and semi-arid regions from the southwestern United States through Mexico. They are known for aggressive threat displays and the ability to inflict painful bites when handled.
Greater Arid-land Katydid, Red-eyed Katydid, Red-eyed Devil, Giant Texas Katydid, Spiny Bush Katydid
Neobarrettia spinosa is a large, predatory katydid native to the southwestern United States and northern Mexico. Unlike most katydids, it is an obligate carnivore, actively hunting and consuming prey including other insects, small vertebrates, and even endangered songbirds. The species is notable for its striking threat display, during which it rears back, spreads its wings, and exposes its bright coloration while presenting formidable mandibles and spiny forelegs. It is one of only two Neobarrettia species extending into the United States from a genus otherwise restricted to northern Mexico.
Neochrysocharis diastatae is a minute parasitoid wasp in the family Eulophidae, first described from Hawaii in 1881. It has been documented as an egg parasitoid of tettigoniid orthopterans in the genus Letana in India, representing a newly recorded host association for this species. The species belongs to a genus whose members are generally associated with parasitism of insect eggs or larvae.
common coneheads, conehead katydids
Neoconocephalus is a genus of large katydids in the tribe Copiphorini, commonly known as conehead katydids. Members are characterized by a prominent cone-shaped projection on the head, which varies in shape and size among species. The genus is distributed across the Americas, with many species in North America and additional diversity in Central and South America. Conehead katydids are notable for their acoustic communication, with males producing species-specific songs to attract females. Some species exceed seven centimeters in length, making them among the largest katydids in their range.
Caudell's conehead
Neoconocephalus caudellianus, commonly known as Caudell's conehead, is a species of katydid in the family Tettigoniidae. It is native to southeastern North America, with confirmed records from Alabama, Delaware, Florida, Georgia, Mississippi. As a member of the genus Neoconocephalus, it is among the largest katydids in eastern North America, with some congeners exceeding seven centimeters in length. Like other conehead katydids, males produce species-specific calling songs through stridulation of modified forewings.
black-nosed conehead
Neoconocephalus melanorhinus, commonly known as the black-nosed conehead, is a species of katydid in the family Tettigoniidae. It is one of the larger conehead katydids, with some members of the genus Neoconocephalus exceeding seven centimeters in length. The species is found in eastern and southeastern North America. Like other coneheads, it produces sound through stridulation, rubbing specialized structures on its forewings together to create species-specific songs.
Nebraska conehead
Neoconocephalus nebrascensis, the Nebraska conehead, is a species of conehead katydid in the family Tettigoniidae. It is found in North America, particularly in the central United States including Arkansas, Illinois, Indiana, Iowa, and Kansas. Conehead katydids are among the largest members of the subfamily Conocephalinae, with some species exceeding seven centimeters. They are characterized by their powerful mandibles capable of cracking grass seeds.
marsh conehead
Neoconocephalus palustris, commonly known as the marsh conehead, is a large katydid species in the family Tettigoniidae. It belongs to the conehead group, characterized by a distinctive forward-projecting cone on the head. The species is found in wetland habitats across eastern North America. Like other members of the genus Neoconocephalus, it is among the largest katydids in its range, with some individuals exceeding seven centimeters in length.
Round-tipped Conehead
Neoconocephalus retusus, commonly known as the round-tipped conehead, is a species of katydid in the family Tettigoniidae. Adults range from 37 to 52 mm in length and are active during late summer and autumn. The species is found in the eastern United States and southern Canada, typically in wet grassy and weedy habitats.
Broad-tipped Conehead
Neoconocephalus triops, commonly known as the broad-tipped conehead, is a large katydid species in the family Tettigoniidae. It has a wide geographic distribution spanning from Peru to Ohio, USA, including the Caribbean and North America. Females use male pulse rate and call structure for mate recognition, with documented geographic variation in signal preferences between populations. Puerto Rican females show high selectivity for pulse rate but not call structure, while Costa Rican females prefer versed calls and show temperature-dependent selectivity for pulse rate.
swift conehead
Neoconocephalus velox, known as the swift conehead, is a species of conehead katydid in the family Tettigoniidae. It is native to North America, with records from the southeastern United States including Alabama, Florida, Georgia, Louisiana, and Mississippi. As a member of the genus Neoconocephalus, it is among the larger katydids, though specific measurements for this species are not well documented.
Neomintho is a genus of tachinid flies in the tribe Euthelairini, characterized by taxonomic instability and recent revision. The genus was substantially redefined in 2024, with three genus-group names (Euthelaira, Iteuthelaira, Neominthoidea) newly synonymized under it, while Eupelecotheca was revived as a separate genus. Most species occur in the Neotropics, with only one confirmed Nearctic species, N. beckersi, described from Florida and the Cayman Islands. This species represents the first documented host association for the entire tribe, having been reared from the katydid Neoconocephalus triops.
Collared Ground Cricket, Mormon Ground Cricket
Neonemobius mormonius, commonly called the collared ground cricket or Mormon ground cricket, is a small ground cricket species in the family Trigonidiidae. It inhabits arid and semi-arid regions of southwestern North America. The species is relatively well-documented with over 1,500 observations on iNaturalist.
Neonemobius near-mormonius is a small ground cricket in the family Trigonidiidae, characterized by its diminutive size and cryptic coloration. The species is part of a genus of tiny crickets commonly known as "ground crickets" or "pygmy crickets" that inhabit leaf litter and ground-level vegetation. Like other members of Neonemobius, it produces high-frequency calling songs that are often inaudible to unaided human hearing. The specific epithet "near-mormonius" suggests morphological similarity to N. mormonius, a closely related species with which it may be confused.
Sphagnum Ground Cricket, Marsh Ground Cricket
Neonemobius palustris is a small ground cricket in the family Trigonidiidae, found in eastern North America. Males measure approximately 5.7 mm and females about 6.8 mm in length. The species is strongly associated with moist habitats, particularly dense patches of sphagnum moss, sandhill seeps, and wet longleaf pine savannas. It produces a distinctive calling song consisting of trills several seconds in duration separated by pauses of similar length.
Variegated Ground Cricket, Smaller Spotted Ground Cricket
Neonemobius variegatus is a species of ground cricket in the family Trigonidiidae, commonly known as the variegated ground cricket or smaller spotted ground cricket. The species is native to North America and has been documented in several eastern and midwestern U.S. states. Like other members of the genus, it occupies ground-dwelling habitats and is part of the diverse cricket fauna of the region. The specific epithet "variegatus" refers to its patterned or varied coloration.
sinusless pygmy grasshopper
Neotettix nullisinus, known as the sinusless pygmy grasshopper, is a small orthopteran in the family Tetrigidae. The specific epithet "nullisinus" refers to the absence of a sinus (a notch or indentation) in the pronotum, a diagnostic feature of this species. It belongs to a genus of ground-dwelling pygmy grasshoppers characterized by their elongated pronotum that extends backward over the abdomen. The species has been documented in Texas and is considered part of the North American pygmy grasshopper fauna.
fork-face pygmy grasshopper, fork-face grouse locust
Neotettix proavus is a species of pygmy grasshopper in the family Tetrigidae, characterized by its small size and distinctive facial structure. The species was described by Rehn & Hebard in 1916 and is known from a limited number of observations. It belongs to a group of ground-dwelling orthopterans commonly referred to as grouse locusts or pygmy grasshoppers.
Smooth-legged Tree Crickets
Neoxabea is a genus of smooth-legged tree crickets in the family Oecanthidae, comprising approximately 14 described species. Members of this genus are characterized by reduced tibial spines compared to other tree crickets. The genus has been documented in the Americas, with records from the United States through Central America to South America. Research on Neoxabea bipunctata has revealed distinctive post-copulatory reproductive behaviors including male mate guarding and extended spermatophore attachment.
Two-spotted Tree Cricket
Neoxabea bipunctata, commonly known as the two-spotted tree cricket, is a North American tree cricket species in the family Oecanthidae. The species has been the subject of behavioral research focusing on post-copulatory mate guarding by males. It is widely distributed across eastern and central North America, with over 8,900 observations documented on citizen science platforms. The species was originally described by De Geer in 1773 under the basionym Gryllus bipunctatus.
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.
pygmy grasshoppers
Nomotettix is a genus of pygmy grasshoppers in the family Tetrigidae, established by Morse in 1894. The genus contains at least three described species distributed across North America. Members of this genus are small, ground-dwelling orthopterans characterized by their reduced wings and pronotum that extends backward over the abdomen. Like other tetrigids, they are associated with moist microhabitats and leaf litter.
crested pygmy grasshopper, crested grouse locust, northern crested grouse locust
Nomotettix cristatus is a small pygmy grasshopper in the family Tetrigidae, commonly known as the crested pygmy grasshopper or crested grouse locust. It is one of approximately 35 Nearctic species of Tetrigidae. The species exhibits three recognized subspecies with distinct geographic distributions across North America. Like other members of its family, it is characterized by an elongated pronotum that extends over the abdomen, a trait distinguishing pygmy grasshoppers from typical grasshoppers in Acrididae.
low-ridged pygmy grasshopper
Nomotettix parvus is a species of pygmy grasshopper in the family Tetrigidae, described by Morse in 1895. It is known from the low-ridged pygmy grasshopper common name and occurs in North America. The species belongs to a family with over 2,000 described species, characterized by minute body size and often grotesque pronotal modifications. Like other Tetrigidae, it has been present since before the extinction of dinosaurs, with the family lineage extending over 230 million years.
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.
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.
spoon-tail short-wing katydid
Obolopteryx emarginata, commonly known as the spoon-tail short-wing katydid, is a species of phaneropterine katydid in the family Tettigoniidae. It is the type species of its genus and is found in North America, with distribution records from Oklahoma, Texas, and northeastern Mexico.
tree crickets, common tree crickets
Oecanthus is a genus of tree crickets comprising approximately 20 recognized species distributed across North America and other regions. These small, slender crickets are known for their distinctive acoustic communication, with males producing species-specific songs by stridulating their modified forewings. The genus includes both arboreal species found in shrubs and trees, as well as species inhabiting grassy fields and meadows.
Western Tree Cricket
Oecanthus californicus, the Western Tree Cricket, is a species of tree cricket in the family Oecanthidae. It is found in western North America, including the southwestern United States and Mexico. The species is one of five tree cricket species recorded in Colorado. Males produce songs by stridulating their forewings to attract females, and engage in courtship feeding involving a metanotal gland secretion. The species has been observed in habitats ranging from coniferous woodlands to grassy fields and meadows.
A subspecies of Western Tree Cricket found in western North America. Males produce species-specific songs by stridulating modified forewings to attract females. Like other tree crickets, males possess a metanotal gland that secretes a feeding substance consumed by females during courtship. Identification to subspecies level requires examination of antennal markings on the first two basal segments.
fast-calling tree cricket
Oecanthus celerinictus, the fast-calling tree cricket, is a North American tree cricket species in the family Oecanthidae. It is distinguished from congeners primarily by its rapid calling song. The species occurs in the southeastern United States.
Forbes' tree cricket
Oecanthus forbesi is a species of tree cricket in the family Oecanthidae, native to North America. The species is closely related to O. nigricornis and can be distinguished reliably only by the pulse rate of the male's song, which increases with temperature. Males produce sound through stridulation, with a measured rate of 55-56 pulses per second at approximately 15°C. The species has a yellowish head with distinctive black markings on the first two antennal segments.
Broad-winged tree cricket
Oecanthus latipennis, the broad-winged tree cricket, is a species of tree cricket in the family Oecanthidae. It is found in eastern North America, with records from Alabama, Arkansas, Florida, Georgia, Illinois, and surrounding regions. Like other members of the genus Oecanthus, males produce songs by stridulation to attract females. The species is distinguished from congeners by its relatively broad forewings.
black-horned tree cricket, common tree cricket
Oecanthus nigricornis, commonly known as the black-horned tree cricket, is a species of tree cricket in the subfamily Oecanthinae found across North America. Males produce a distinctive courtship song using modified forewings and offer nutritional glandular secretions from a metanotal gland as nuptial gifts during mating. The species has been documented as a host for the parasitoid fly Stylogaster neglecta, with juvenile parasitism rates varying considerably across its range.
narrow-winged tree cricket, snowy tree cricket
Oecanthus niveus is a small tree cricket species in the family Oecanthidae, first described by Charles de Geer in 1773 from a Pennsylvania specimen. Adults measure 13–16 mm and are pale green with distinctive orange markings on the head. The species is notable for its temperature-dependent calling song, with males producing sounds at rates and frequencies that vary predictably with ambient temperature. It occurs primarily in eastern North America and the Caribbean, where it inhabits broad-leaved trees, shrubs, and herbaceous vegetation.
Pine Tree Cricket
Oecanthus pini, the pine tree cricket, is a species of tree cricket in the family Oecanthidae. It is found in North America, with records from Alabama, Connecticut, Florida, Georgia, and Indiana. The species is part of the genus Oecanthus, which includes several other tree cricket species such as O. argentinus, O. californicus, O. niveus, and O. quadripunctatus.
Riley's tree cricket, pine tree cricket
Oecanthus rileyi, commonly known as Riley's tree cricket or pine tree cricket, is a North American tree cricket species in the family Oecanthidae. It belongs to a genus characterized by distinctive singing behavior and arboreal habits. The species was described by Baker in 1905.
Texas Tree Cricket
Oecanthus texensis is a tree cricket species described in 2013 from Texas. It belongs to a genus known for distinctive courtship behaviors, including male singing and metanotal gland secretions that females feed upon during mating. Like other Oecanthus species, it is likely small, green, and cryptic in vegetation. The species was distinguished from congeners based on morphological and acoustic characteristics.
Oedaleonotus phryneicus is a species of spur-throated grasshopper in the family Acrididae, described by Hebard in 1919. It is found in North America, primarily in California. As a member of the genus Oedaleonotus, it shares characteristics with other species in this group, though specific ecological details are limited in available sources.
Oedaleonotus tenuipennis is a species of spur-throated grasshopper in the family Acrididae, described by Scudder in 1897. It is native to western North America, primarily California. The species is distinguished from congeners by its narrow, slender tegmina (forewings) that are shorter than the pronotum. Seven other species in the genus Oedaleonotus share this characteristic short-winged morphology, though O. tenuipennis is differentiated by specific structural details of the tegmina.
atascosa grasshopper
Opeia atascosa is a species of slant-faced grasshopper in the family Acrididae, described by Hebard in 1937. It belongs to the subfamily Gomphocerinae and tribe Eritettigini. The species is distributed across parts of North America and Central America, with records from Arizona and broader Middle American regions. Like other members of its genus, it is characterized by a slanted facial profile typical of Gomphocerinae grasshoppers.
Red-headed Meadow Katydid
Orchelimum erythrocephalum is a North American katydid species in the meadow katydid genus Orchelimum. The common name refers to its distinctive red head coloration. Like other Orchelimum species, it inhabits grasslands and wetland edges where it feeds on both plant material and small insects. The species was described by entomologist William T. Davis in 1905.
Seaside Meadow Katydid
Orchelimum fidicinium, the seaside meadow katydid, is a species of meadow katydid in the family Tettigoniidae. It is found in the Eastern time zone of North America, with distribution records from the northeastern United States through Delaware, Florida, Georgia, and North Carolina. As a member of the genus Orchelimum, it shares characteristics with other larger meadow katydids, including omnivorous feeding habits that include both plant material and opportunistic predation on other insects.
Gladiator Meadow Katydid, Gladiator Katydid
Orchelimum gladiator is a meadow katydid in the family Tettigoniidae, characterized by its pale green coloration with variable dark brown markings on the occiput and pronotum. The species exhibits sexual dimorphism in size, with females larger than males. It inhabits grasslands and meadows near water sources across the northern United States. The species is known to be parasitized by horsehair worms.
lesser pine katydid, lesser pine meadow katydid
Orchelimum minor is a species of meadow katydid in the family Tettigoniidae, commonly known as the lesser pine katydid or lesser pine meadow katydid. It is found in North America, with distribution records from Alabama, Florida, Georgia, Indiana, and Maryland. As a member of the genus Orchelimum, it belongs to a group of meadow katydids known for their omnivorous to opportunistically predatory feeding habits, consuming both plant material and other insects.