Psammophilic
Guides
Aegialia punctata
Aegialia punctata is a small scarab beetle described by Brown in 1931. It belongs to the subfamily Aegialiinae, a group commonly known as sand scarabs or psammophilic scarabs that are adapted to sandy habitats. The species occurs in western North America, ranging from the Pacific coast to the Intermountain West.
Ammobaenetes
sand-treader crickets
Ammobaenetes is a genus of sand-treader crickets in the family Rhaphidophoridae, first described by Hubbell in 1936. The genus contains at least three to four described species distributed in arid regions of the southwestern United States. Members are specialized for life in sandy desert habitats, with morphological adaptations for burrowing and moving through loose sand. The genus is placed in the tribe Daihiniini within the subfamily Ceuthophilinae.
Ammobaenetes phrixocnemoides
mesilla sand-treader cricket, Caudell's sand-treader cricket
Ammobaenetes phrixocnemoides is a species of camel cricket in the family Rhaphidophoridae, commonly known as the mesilla sand-treader cricket or Caudell's sand-treader cricket. It was described by Caudell in 1907. The species is known from sandy habitats in New Mexico and is part of a genus specialized for life in loose sand substrates. As with other sand-treader crickets, it exhibits morphological adaptations for burrowing in granular soils.
Arenophilus iugans
Arenophilus iugans is a species of soil centipede in the family Geophilidae, described by Chamberlin in 1944. Like other members of the genus Arenophilus, it is characterized by adaptations to sandy habitats. The species is known from North America, though detailed ecological and biological information remains limited in the available literature.
Daihinibaenetes tanneri
Utah sand-treader cricket
Daihinibaenetes tanneri is a species of camel cricket endemic to sandy habitats in Utah. It belongs to the family Rhaphidophoridae, commonly known as cave crickets or camel crickets. The species is named after the entomologist Wilmer W. Tanner. Very few observations exist, with only four records documented on iNaturalist.
Edrotes arens
A small darkling beetle (Tenebrionidae) in the genus Edrotes, described by La Rivers in 1947. The genus is associated with sandy habitats in western North America. One verified observation from Colorado in 2017 represents a notable range extension, as the genus had no previous records in that state. The species name 'arens' suggests a connection to sandy or arid environments (from Latin 'arena', sand).
Eusattus dilatatus
Eusattus dilatatus is a darkling beetle species in the family Tenebrionidae, described by LeConte in 1851. The genus Eusattus comprises sand-dwelling darkling beetles found in arid regions of western North America. This species, like congeners, is adapted to sandy habitats and exhibits morphological specializations for burrowing in loose substrates. Available records indicate occurrence in Mexico, though detailed biological information remains limited.
Geopsammodius fuscus
Geopsammodius fuscus is a species of dung beetle in the family Scarabaeidae, described by Skelley in 2006. It belongs to the subfamily Aphodiinae and tribe Psammodiini, a group commonly known as psammophilic or sand-dwelling dung beetles. The species is known from limited records in Florida, USA.
Geopsammodius morrisi
Geopsammodius morrisi is a small scarab beetle in the subfamily Aphodiinae, described by Paul Skelley in 2006. It belongs to a genus of psammophilic (sand-dwelling) beetles within the tribe Psammodiini. The species is known from a limited number of records in Florida, USA. Like other members of its genus, it is likely associated with sandy habitats, though specific ecological details remain poorly documented.
Neochodaeus repandus
Neochodaeus repandus is a species of sand-loving scarab beetle in the family Ochodaeidae, first described by Fall in 1909. The species is restricted to sandy habitats in the southwestern United States and northern Mexico. It belongs to a genus and family of beetles specialized for life in loose, sandy substrates.
Odontopsammodius
Odontopsammodius is a genus of aphodiine dung beetles in the family Scarabaeidae, established by Gordon and Pittino in 1992. The genus comprises approximately 12 described species. These beetles belong to the tribe Psammodiini, a group associated with sandy habitats. The genus is distributed in the Neotropical region.
Omophron solidum
solid round sand beetle
Omophron solidum, known as the solid round sand beetle, is a small ground beetle in the family Carabidae. It inhabits sandy beaches along water bodies in California and Oregon. Adults are nocturnal and gregarious, retreating into burrows during daylight hours.
Paruroctonus utahensis
eastern sand scorpion
Paruroctonus utahensis, commonly called the eastern sand scorpion, is a psammophilic (sand-dwelling) scorpion in the family Vaejovidae. The species ranges from Utah southward to Chihuahua, Mexico, inhabiting desert grassland ecosystems with sandy loam soils. It has been observed feeding on diverse arthropods, with documented predation on the cricket Ammobaenetes phrixocnemoides. Research has demonstrated pheromonal communication in this species, with males detecting and discriminating between chemical cues from receptive versus non-receptive females.
Psammodiini
Psammodiini is a tribe of aphodiine dung beetles within the family Scarabaeidae, containing more than 37 genera and approximately 470 described species. Members are primarily associated with sandy habitats, with many species exhibiting psammophilic (sand-loving) adaptations. The tribe was established by Mulsant in 1842 and represents a diverse lineage within the subfamily Aphodiinae.
Rhachocnemis
sand-treader crickets
Rhachocnemis is a genus of sand-treader crickets in the family Rhaphidophoridae. The genus was described by Caudell in 1916 and contains one described species, R. validus. These crickets are adapted to sandy desert environments, where they burrow through loose substrate. They are part of the diverse camel cricket lineage, though specialized for psammophilic (sand-dwelling) habitats.
Rhyssemus scaber
Rhyssemus scaber is a small aphodiine dung beetle in the family Scarabaeidae, described by Haldeman in 1848. The species is known from multiple states in the eastern and central United States. As a member of the subfamily Aphodiinae, it belongs to a group of beetles commonly associated with dung and decaying organic matter. The genus Rhyssemus contains species typically adapted to sandy or psammophilic habitats.
Smeringurus vachoni
Vachon's Hairy Scorpion, Vachon's Sand Scorpion
Smeringurus vachoni is a small to medium-sized burrowing scorpion endemic to the southwestern United States and northwestern Mexico. Formerly classified in Paruroctonus, it was reassigned to Smeringurus based on morphological and genetic studies. This psammophilic (sand-dwelling) species constructs shallow burrows in loose sandy substrates and is primarily nocturnal. It is distinguished by its densely setose (hairy) pedipalps and metasoma, an adaptation for sensory function in sandy environments.
Trogloderus
Trogloderus is a genus of psammophilic darkling beetles (Coleoptera: Tenebrionidae) endemic to dunes and sandy habitats in the western United States. The genus comprises ten described species, including six new species described in 2019 from desert regions across the Intermountain Region. Molecular phylogenetic analysis dates the most recent common ancestor to 5.2 million years ago, with speciation driven by geographic features of the Lahontan Trough, Bouse Embayment, and Kaibab Plateau during the mid-Pleistocene.
Trogloderus arcanus
Trogloderus arcanus is a species of darkling beetle (Tenebrionidae) described in 2019. It belongs to the psammophilic genus Trogloderus, a group restricted to dunes and sandy habitats in the western United States. The species was described as part of a phylogenetic revision of the genus.
Trogloderus kandai
Trogloderus kandai is a psammophilic darkling beetle described in 2019 from Owens Valley, California. It belongs to a genus of six newly described species restricted to dunes and sandy habitats in the western United States. The species is part of the tribe Amphidorini, associated with desert stink beetles.
Trogloderus nevadus
Trogloderus nevadus is a darkling beetle (Tenebrionidae) in the psammophilic genus Trogloderus. Originally described in 1943 from dunes around Pyramid Lake, Nevada. The species was briefly treated as a subspecies of T. costatus (1946) but restored to specific standing by Johnston in 2018. It is restricted to sandy dune habitats in the western United States.
Trogloderus skillmani
Trogloderus skillmani is a newly described species of psammophilic darkling beetle (Tenebrionidae: Amphidorini) from the eastern Great Basin and Mohave Desert regions of the western United States. Described in 2019 by Johnston as part of a comprehensive phylogenetic revision of the genus, it is one of six new species recognized in a genus previously considered monotypic. The species is restricted to dunes and sandy desert habitats. Molecular phylogenetic analysis dates the most recent common ancestor of Trogloderus to approximately 5.2 million years ago, with current species having diversified during the mid-Pleistocene driven by geographic features of the Intermountain Region.
Trogloderus vandykei
Trogloderus vandykei is a darkling beetle (Coleoptera: Tenebrionidae) in the psammophilic genus Trogloderus. Originally described as a subspecies of T. costatus from outside 29 Palms, California, it was elevated to species status by Johnston (2018). The subspecific name T. costatus mayhewi was synonymized with T. vandykei. Like other members of its genus, this species is associated with sandy habitats in the western United States.
Trogloderus verpus
Trogloderus verpus is a psammophilic darkling beetle described in 2019 from the eastern Colorado Plateau. It belongs to a genus restricted to dunes and sandy habitats in the western United States, with species having diversified during the mid-Pleistocene in response to geographic features of the Intermountain Region.
Trogloderus warneri
Trogloderus warneri is a species of darkling beetle in the family Tenebrionidae, described by Johnston in 2019. It belongs to a genus of psammophilic beetles restricted to dunes and sandy habitats in the western United States. The species is endemic to the western Colorado Plateau region. As a member of a genus whose most recent common ancestor dates to approximately 5.2 million years ago, T. warneri likely arose during the mid-Pleistocene. The genus Trogloderus comprises six species, all adapted to sandy environments.
Xenochodaeus musculus
sand-loving scarab beetle
Xenochodaeus musculus is a species of sand-loving scarab beetle in the family Ochodaeidae, first described by Thomas Say in 1835. The species is distributed across the Nearctic region of North America, with records from numerous U.S. states and the Canadian province of Ontario. Like other members of its family, it is associated with sandy habitats. The specific epithet 'musculus' refers to its small, mouse-like size.
Xenochodaeus simplex
Xenochodaeus simplex is a species of sand-loving scarab beetle in the family Ochodaeidae. It occurs in arid and semi-arid regions of western North America, where it inhabits sandy substrates. The species was originally described as Ochodaeus simplex by LeConte in 1854 before being transferred to Xenochodaeus.