California
Guides
Apantesis ursina
Apantesis ursina is a tiger moth in the family Erebidae, described by Schmidt in 2009. The species was originally placed in the genus Grammia but was transferred to Apantesis in a 2009 taxonomic revision that consolidated several related genera. It is endemic to a restricted range in southern California and the Channel Islands, with likely extension into Baja California. Adults fly in autumn, with peak activity from mid-September to early October.
Aphonopelma johnnycashi
Johnny Cash Tarantula
Aphonopelma johnnycashi is a North American tarantula species described in 2016 from specimens collected near Folsom State Prison in California. The species was named in honor of Johnny Cash, the country music singer known as "The Man in Black," referencing both the location and the mature male's solid black coloration. It is one of 14 new species described in a comprehensive taxonomic revision of the genus Aphonopelma, which nearly doubled the number of recognized species in the southwestern United States.
Aphonopelma joshua
Aphonopelma joshua is a species of tarantula in the family Theraphosidae, described by Prentice in 1997. It is native to California, United States. Like other members of the genus Aphonopelma, this species is a large-bodied, ground-dwelling spider that constructs burrows. The genus has undergone significant taxonomic revision, with a 2016 study reducing the number of recognized U.S. species from 55 to 29 based on integrative morphological, molecular, and ecological data.
Aphonopelma steindachneri
Steindachner's Ebony Tarantula
Aphonopelma steindachneri, commonly known as Steindachner's Ebony Tarantula, is a New World terrestrial tarantula native to arid regions of California and Baja California, Mexico. The species reaches 12–13 cm in diagonal leg span and exhibits dark velvet black to deep brown coloration. It constructs and occupies burrows in open ground, emerging primarily at night to forage. Males become most visible during summer and fall breeding seasons when they leave burrows to search for mates. The species faces predation from spider wasps, centipedes, scorpions, and solifugids.
Apiomerus californicus
California Bee Assassin
Apiomerus californicus is a species of assassin bug in the family Reduviidae, first described by Berniker and Szerlip in 2011. It belongs to the Apiomerini tribe, commonly known as bee assassins, which are specialized predators of bees and other pollinators. The species is found in western North America, particularly in California and surrounding regions.
Apodemia mormo langei
Lange's Metalmark, Lange's metalmark butterfly
Apodemia mormo langei is a federally endangered subspecies of metalmark butterfly endemic to a single site in California's San Francisco Bay Area. The total wild population has declined from an estimated 131 individuals in 2008 to approximately 25–30 individuals by 2011. It is restricted to remnant sand dune habitat at Antioch Dunes, where it depends entirely on a specific larval host plant. The subspecies has been the subject of ongoing conservation controversy due to genetic research suggesting it may not be as evolutionarily distinct from other Apodemia mormo populations as previously assumed.
Apomastus
Apomastus is a genus of mygalomorph spiders in the family Euctenizidae, endemic to southern California and described in 2002. The genus contains only two species, A. kristenae and A. schlingeri, both restricted to the Los Angeles Basin and surrounding hills. Females of both species are morphologically indistinguishable, requiring molecular or male morphological analysis for identification. The genus occupies habitat highly vulnerable to urban development.
Apomastus kristenae
Apomastus kristenae is a wafer-lid trapdoor spider described by Bond in 2004. It is one of two recognized species in the genus Apomastus, both endemic to restricted regions of southern California. Females are morphologically indistinguishable from the congeneric A. schlingeri, requiring molecular or geographic data for identification. The species occupies a habitat under severe pressure from urban development.
Aptostichus chemehuevi
Chemehuevi Desert Trapdoor Spider
Aptostichus chemehuevi is a species of trapdoor spider in the family Euctenizidae, described by arachnologist Jason Bond in 2012. It belongs to a genus of mygalomorph spiders known for constructing silk-lined burrows with hinged trapdoor lids. The species epithet references the Chemehuevi people, a Native American group whose traditional territory includes parts of the southwestern United States where this spider occurs. Like other Aptostichus species, it is a fossorial predator with limited dispersal capability.
Aptostichus simus
Southern Coastal Dune Trapdoor Spider
Aptostichus simus is a medium-sized mygalomorph trapdoor spider endemic to coastal sand dune habitats of California and Baja California, Mexico. This fossorial species constructs deep, silk-lined burrows with camouflaged trapdoor lids made of sand and silk, typically situated at the base of native dune vegetation. Recent integrative taxonomic research using genomic data has revealed significant cryptic diversity within this species complex, including the description of a new cryptic species, A. ramirezae, from Moss Landing State Beach. The species exhibits deep genetic divergence dating to 2-3 million years ago despite morphological homogeneity, with populations showing extreme habitat specificity that makes them vulnerable to coastal habitat degradation.
Apystomyiidae
A small family of flies in the superfamily Asiloidea, containing one extant genus (Apystomyia) and two extinct genera (Apystomimus, Hilarimorphites). The sole living species, Apystomyia elinguis, is endemic to California. Extinct species are known from Late Jurassic to Late Cretaceous deposits in Kazakhstan, Myanmar, and New Jersey. Molecular studies place the family as sister to Cyclorrhapha within Eremoneura.
Aradus nr-behrensi-calif
California near Aradus behrensi
Aradus nr-behrensi-calif is a flat bug species in the family Aradidae, designated with the "nr" (near) prefix indicating it closely resembles but may not be conspecific with Aradus behrensi. The "calif" suffix suggests California origin. Flat bugs in this genus are typically associated with dead wood habitats. This designation is commonly used in entomological collections when precise species identification requires further taxonomic verification.
Arenivaga gaiophanes
desert cockroach, sand cockroach
Arenivaga gaiophanes is a species of desert cockroach in the family Corydiidae, described by Heidi Hopkins in 2014 as part of a major revision of the genus Arenivaga. The genus Arenivaga, previously containing only nine species, was expanded to include 39 new species in this revision. Members of this genus inhabit harsh, arid environments and exhibit dramatic sexual dimorphism, with females appearing entirely different from males. The species epithet 'gaiophanes' derives from Greek roots meaning 'earth-revealing,' alluding to their subterranean habits.
Arethaea brevicauda
California thread-leg katydid, short-tail thread-leg katydid
Arethaea brevicauda is a species of phaneropterine katydid in the family Tettigoniidae, commonly known as the California thread-leg katydid or short-tail thread-leg katydid. It is characterized by its slender, thread-like legs and relatively short cerci compared to other members of the genus. The species is native to western North America and is active primarily during the warmer months.
Argyrotaenia niscana
Argyrotaenia niscana is a small tortricid moth species found in the western and southern United States. Adults have a wingspan of 14–16 mm and are active during spring, summer, and early autumn. The larvae feed exclusively on Adenostoma species, particularly chamise (Adenostoma fasciculatum), a chaparral shrub.
Argyrotaenia paiuteana
Argyrotaenia paiuteana is a small tortricid moth described by Powell in 1960. It is known only from California, where adults fly from May through August. The species is associated with coniferous hosts, with larvae feeding on singleleaf pinyon (Pinus monophylla) and western juniper (Juniperus occidentalis).
Aristotelia argentifera
Aristotelia argentifera is a small moth in the family Gelechiidae, commonly known as twirler moths. It was described by August Busck in 1903 and is known from California and western Nevada. The species is notable for its distinctive wing pattern featuring metallic silvery and bluish iridescent scales. Larvae feed on Ericameria ericoides and Baccharis pilularis.
Asemoplus
Asemoplus is a genus of short-horned grasshoppers in the family Acrididae, established by Scudder in 1897. The genus comprises at least three described species: Asemoplus hispidus, A. montanus (Montana grasshopper), and A. sierranus. It belongs to the tribe Podismini within the subfamily Melanoplinae. The genus is native to western North America.
Asemoplus sierranus
Asemoplus sierranus is a species of short-horned grasshopper in the family Acrididae, first described by Hebard in 1936. It belongs to the subfamily Melanoplinae and tribe Podismini. The species is known from California and broader North America. It is a member of the genus Asemoplus, which comprises small to medium-sized grasshoppers.
Aseptis murina
Aseptis murina is a noctuid moth described by Tomas Mustelin in 2000. The species name refers to its smooth, mouse-like appearance. It is restricted to southern California, where it occupies a range of habitats from coastal chaparral to oak forest and mountain-desert transition zones at elevations up to 2000 meters. Adults are active from early May through July.
Aseptis perfumosa
Aseptis perfumosa is a noctuid moth endemic to southern California, first described by George Hampson in 1918. It occupies diverse habitats from sea level to 2000 meters elevation, including coastal chaparral, canyons, urban areas, brush land, and open oak forest. The species is univoltine, with adults active from early April to early June at lower elevations and slightly later at higher elevations. Larvae feed on species of Arctostaphylos.
Aspila prunivora
Lesser Appleworm Moth
Aspila prunivora, commonly known as the Lesser Appleworm Moth, is a small tortricid moth. It is primarily known as a pest of apple and related fruit trees, with larvae feeding internally on developing fruits. The species has been documented at blacklighting events in California, indicating nocturnal adult activity.
Ateloplus hesperus
Western Shieldback
Ateloplus hesperus, commonly known as the Western Shieldback, is a species of katydid in the family Tettigoniidae. First described by Hebard in 1934, this insect is native to western North America, with confirmed distribution records from California. It belongs to the shieldback katydids, a group characterized by their distinctive pronotal morphology. The species is part of the diverse Orthoptera fauna of the western United States, though detailed biological studies remain limited.
Athysanella occidentalis
Athysanella occidentalis is a species of leafhopper in the family Cicadellidae, first described by Baker in 1898. It belongs to the order Hemiptera, a group of true bugs characterized by piercing-sucking mouthparts. The species has been recorded in western North America including Alberta, Arizona, British Columbia, California, Colorado, and Idaho. As a member of the genus Athysanella, it is part of a diverse group of leafhoppers, though specific biological details for this particular species remain poorly documented in available literature.
Atractelmis wawona
Wawona Riffle Beetle
Atractelmis wawona is a species of riffle beetle in the family Elmidae, described by Chandler in 1954. The common name 'Wawona Riffle Beetle' references Wawona, a location in California's Sierra Nevada. Like other elmids, it inhabits aquatic environments with flowing water. Very few observations or detailed studies of this species have been published.
Atractotomus nicholi
Atractotomus nicholi is a species of plant bug in the family Miridae, described by Knight in 1968. It is known from the southwestern United States, specifically Arizona and California. As a member of the genus Atractotomus, it belongs to a group of small predatory or plant-feeding bugs within the diverse Miridae family.
Atrusca trimaculosa
Woollybear Gall Wasp
Atrusca trimaculosa, commonly known as the woollybear gall wasp, is a cynipid gall wasp that induces distinctive round, hairy galls on oak leaves. The galls are 3–4 mm wide, covered in stiff hairs, and typically clustered on leaf surfaces. Only females of this species are known, suggesting reproduction may occur through parthenogenesis. The species is associated with several oak species including valley oak, blue oak, and Oregon oak.
Autographa speciosa
Autographa speciosa is a noctuid moth in the subfamily Plusiinae, known from a restricted range in western North America. The species was described by Ottolengui in 1902. Adults have a wingspan of approximately 38 mm and are active in midsummer. The limited geographic distribution and specific habitat associations make this a regionally significant species for Pacific Northwest and California lepidopteran fauna.
Bacanius acuminatus
clown beetle
Bacanius acuminatus is a species of clown beetle in the family Histeridae, first described by Casey in 1893. It is native to North America, with confirmed records from California. The species belongs to a group commonly known as clown beetles, characterized by their compact, often rounded body form and clubbed antennae. Like other histerids, it is likely associated with decaying organic matter, though specific ecological details remain poorly documented.
Bacanius globulinus
clown beetle
Bacanius globulinus is a species of clown beetle (family Histeridae) described by Casey in 1893. It belongs to the subfamily Dendrophilinae, a group of small histerid beetles often associated with decaying organic matter. The species has been documented in California, USA, with limited observational records available.
Bagous californicus
Bagous californicus is a species of true weevil in the beetle family Curculionidae. It was described by LeConte in 1876 and is found in North America. The genus Bagous comprises aquatic and semi-aquatic weevils, though specific ecological details for this species remain undocumented.
Banksula
Banksula is a genus of harvestmen in the family Phalangodidae, comprising ten described species. All species are endemic to California, United States. The genus was established by Roewer in 1949 and named in honor of Nathan Banks, an American entomologist who described the type species. These harvestmen belong to the suborder Laniatores, a diverse group of short-legged, often heavily armored opilionids.
Battus philenor hirsuta
California pipevine swallowtail, hairy pipevine swallowtail
A California endemic subspecies of pipevine swallowtail distinguished by smaller size, denser body hair, and larger egg clutches than the nominate subspecies. Adults display iridescent green-blue hindwings with red ventral spots, while larvae are black with fleshy protrusions and orange markings. The subspecies maintains a tightly coupled relationship with its sole host plant, Aristolochia californica, sequestering toxic aristolochic acids for chemical defense. Unlike other Battus philenor populations, this subspecies has no known Batesian mimics.
Bdellozonium cerviculatum
Bdellozonium cerviculatum is a small millipede species in the family Polyzoniidae, one of two recognized species in its genus. It is native to the forests of California, where it inhabits crevices in decaying wood. The species reaches up to 16 mm in length and displays distinctive salmon pink coloration in living specimens. It was described by Cook & Loomis in 1928.
Berosus rugulosus
Berosus rugulosus is a species of water scavenger beetle in the family Hydrophilidae. It is found in arid and semi-arid regions of the southwestern United States and Mexico. Like other members of the genus Berosus, it is associated with aquatic or semi-aquatic habitats. The species was described by George Henry Horn in 1873.
Billaea
Billaea is a genus of tachinid flies comprising approximately 80 described species. Most larvae are parasitoids of beetle larvae, particularly cerambycids and lucanids, with some species attacking lepidopteran hosts in the family Pyralidae. Several species have been investigated as biological control agents for agricultural and forestry pests, including palm weevils and sugarcane borers.
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Slim Mexican Mantis
Bistanta mexicana, commonly known as the Slim Mexican Mantis, is a native North American praying mantis species and the sole member of the monotypic genus Bistanta in family Thespidae. Originally described as Oligonyx mexicana, it has been reclassified into its own genus. The species occurs in California and the southwestern United States, where it inhabits dry, open habitats. It is one of five native mantis species recorded in California.
Blaisdelliana sexualis
Pitch Lady Beetle
Blaisdelliana sexualis is a minute lady beetle (family Coccinellidae) found in the southwestern United States. Adults measure approximately 1.25–1.78 mm in length. The species has been recorded from California and Arizona, where it inhabits arid and semi-arid environments. Little is known of its biology beyond basic morphological description.
Blissus occiduus
Western Chinch Bug
Blissus occiduus, the western chinch bug, is a phloem-feeding true bug (Hemiptera: Blissidae) that is a significant pest of warm-season turfgrasses, particularly buffalograss and zoysiagrass. The species exhibits strong host preference hierarchies, with buffalograss being the most preferred host followed by zoysiagrass, though it can survive and reproduce on a broad range of grasses including agronomic crops. Field studies have documented inconsistent control with neonicotinoid insecticides, with thiamethoxam showing particularly rapid degradation in buffalograss tissues compared to imidacloprid and clothianidin.
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anaged-sphere-sphereprotected-sphere-sphererestored-sphere-spheredegraded-sphere-spheretransformed-sphere-sphereconnected-sphere-spheredisconnected-sphere-sphereintegrated-sphere-spherefragmented-sphere-sphereresilient-sphere-spherevulnerable-sphere-sphereadaptive-sphere-spheremaladaptive-sphere-spheresustainable-sphere-sphereunsustainable-sphere-sphereequitable-sphere-sphereinequitable-sphere-spherejust-sphere-sphereunjust-sphere-sphereinclusive-sphere-sphereexclusive-sphere-spherediverse-sphere-spherehomogeneous-sphere-spherecomplex-sphere-spheresimple-sphere-spheredynamic-sphere-spherestatic-sphere-spherestable-sphere-sphereunstable-sphere-spherepredictable-sphere-sphereunpredictable-sphere-spherecontrollable-sphere-sphereuncontrollable-sphere-spheremanageable-sphere-sphereunmanageable-sphere-spheregovernable-sphere-sphereungovernable-sphere-spherenavigable-sphere-sphereunnavigable-sphere-spheretraversable-sphere-sphereuntraversable-sphere-spherepermeable-sphere-sphereimpermeable-sphere-sphereporous-sphere-spherenon-porous-sphere-spheretransparent-sphere-sphereopaque-sphere-spherevisible-sphere-sphereinvisible-sphere-spheretangible-sphere-sphereintangible-sphere-spherematerial-sphere-sphereimmaterial-sphere-spherephysical-sphere-spheremetaphysical-sphere-sphereempirical-sphere-spheretheoretical-sphere-spherepractical-sphere-sphereapplied-sphere-spherepure-sphere-spherebasic-sphere-spherestrategic-sphere-spheretactical-sphere-sphereoperational-sphere-spherefoundational-sphere-spheresuperstructural-sphere-sphereinfrastructural-sphere-spherestructural-sphere-spherefunctional-sphere-sphereprocedural-sphere-spherebehavioral-sphere-sphereattitudinal-sphere-spherecultural-sphere-spheresocial-sphere-sphereeconomic-sphere-spherepolitical-sphere-sphereenvironmental-sphere-spheretechnological-sphere-sphereinstitutional-sphere-sphereorganizational-sphere-sphereindividual-sphere-spherecollective-sphere-spherecommunity-sphere-spheresocietal-sphere-sphereglobal-sphere-spherelocal-sphere-spherenational-sphere-sphereregional-sphere-spherelandscape-sphere-sphereseascape-sphere-spherewaterscape-sphere-sphereairscape-sphere-spherebiosphere-sphere-spherenoosphere-sphere-spheretechnosphere-sphere-spheresociosphere-sphere-sphereecosphere-sphere-spherehydrosphere-sphere-sphereatmosphere-sphere-spherelithosphere-sphere-spherepedosphere-sphere-spherecryosphere-sphere-sphereanthroposphere-sphere-sphereurban-sphere-sphere-sphererural-sphere-sphere-sphereagricultural-sphere-sphere-spherenatural-sphere-sphere-spheremanaged-sphere-sphere-sphereprotected-sphere-sphere-sphererestored-sphere-sphere-spheredegraded-sphere-sphere-spheretransformed-sphere-sphere-sphereconnected-sphere-sphere-spheredisconnected-sphere-sphere-sphereintegrated-sphere-sphere-spherefragmented-sphere-sphere-sphereresilient-sphere-sphere-spherevulnerable-sphere-sphere-sphereadaptive-sphere-sphere-spheremaladaptive-sphere-sphere-spheresustainable-sphere-sphere-sphereunsustainable-sphere-sphere-sphereequitable-sphere-sphere-sphereinequitable-sphere-sphere-spherejust-sphere-sphere-sphereunjust-sphere-sphere-sphereinclusive-sphere-sphere-sphereexclusive-sphere-sphere-spherediverse-sphere-sphere-spherehomogeneous-sphere-sphere-spherecomplex-sphere-sphere-spheresimple-sphere-sphere-spheredynamic-sphere-sphere-spherestatic-sphere-sphere-spherestable-sphere-sphere-sphereunstable-sphere-sphere-spherepredictable-sphere-sphere-sphereunpredictable-sphere-sphere-spherecontrollable-sphere-sphere-sphereuncontrollable-sphere-sphere-spheremanageable-sphere-sphere-sphereunmanageable-sphere-sphere-spheregovernable-sphere-sphere-sphereungovernable-sphere-sphere-spherenavigable-sphere-sphere-sphereunnavigable-sphere-sphere-spheretraversable-sphere-sphere-sphereuntraversable-sphere-sphere-spherepermeable-sphere-sphere-sphereimpermeable-sphere-sphere-sphereporous-sphere-sphere-spherenon-porous-sphere-sphere-spheretransparent-sphere-sphere-sphereopaque-sphere-sphere-spherevisible-sphere-sphere-sphereinvisible-sphere-sphere-spheretangible-sphere-sphere-sphereintangible-sphere-sphere-spherematerial-sphere-sphere-sphereimmaterial-sphere-sphere-spherephysical-sphere-sphere-spheremetaphysical-sphere-sphere-sphereempirical-sphere-sphere-spheretheoretical-sphere-sphere-spherepractical-sphere-sphere-sphereapplied-sphere-sphere-spherepure-sphere-sphere-spherebasic-sphere-sphere-spherestrategic-sphere-sphere-spheretactical-sphere-sphere-sphereoperational-sphere-sphere-spherefoundational-sphere-sphere-spheresuperstructural-sphere-sphere-sphereinfrastructural-sphere-sphere-spherestructural-sphere-sphere-spherefunctional-sphere-sphere-sphereprocedural-sphere-sphere-spherebehavioral-sphere-sphere-sphereattitudinal-sphere-sphere-spherecultural-sphere-sphere-spheresocial-sphere-sphere-sphereeconomic-sphere-sphere-spherepolitical-sphere-sphere-sphereenvironmental-sphere-sphere-spheretechnological-sphere-sphere-sphereinstitutional-sphere-sphere-sphereorganizational-sphere-sphere-sphereindividual-sphere-sphere-spherecollective-sphere-sphere-spherecommunity-sphere-sphere-spheresocietal-sphere-sphere-sphereglobal-sphere-sphere-spherelocal-sphere-sphere-spherenational-sphere-sphere-sphereregional-sphere-sphere-spherelandscape-sphere-sphere-sphereseascape-sphere-sphere-spherewaterscape-sphere-sphere-sphereairscape-sphere-sphere-spherebiosphere-sphere-sphere-spherenoosphere-sphere-sphere-spheretechnosphere-sphere-sphere-spheresociosphere-sphere-sphere-sphereecosphere-sphere-sphere-spherehydrosphere-sphere-sphere-sphereatmosphere-sphere-sphere-spherelithosphere-sphere-sphere-spherepedosphere-sphere-sphere-spherecryosphere-sphere-sphere-sphereanthroposphere-sphere-sphere-sphereBrachylampis
Brachylampis is a genus of fireflies (family Lampyridae) described by Van Dyke in 1939. The genus contains at least two species: B. blaisdelli and B. sanguinicollis, both described in the same year. It belongs to the subfamily Ototretinae, a group of fireflies characterized by reduced or absent light-producing organs in adults. Information on biology and ecology remains sparse due to limited study and few observations.
Bradycellus californicus
Small California Harp Ground Beetle
Bradycellus californicus is a small ground beetle in the family Carabidae, first described by LeConte in 1857. It is native to western North America, with documented occurrences in California and surrounding regions. The species belongs to the genus Bradycellus, a group of small carabid beetles commonly referred to as harp ground beetles. Based on iNaturalist records, it has been observed at least 87 times, suggesting it is not exceptionally rare but may be under-recorded due to its small size and ground-dwelling habits.
Brooksetta malvastri
Brooksetta malvastri is a species of plant bug in the family Miridae, described by Knight in 1968. The specific epithet "malvastri" suggests an association with plants in the genus Malvastrum or related Malvaceae, though detailed biological information remains limited. The species is recorded from California and Arizona in the southwestern United States. As a member of Miridae, it is a true bug with piercing-sucking mouthparts, but specific ecological details are sparse in the available literature.
Bryolymnia viridata
Bryolymnia viridata is a small noctuid moth endemic to western California, ranging from Sonoma County to San Diego County. First described by Leon F. Harvey in 1876, it has a wingspan of approximately 27 mm. Adults are active from late May through mid-October. The species is placed in the tribe Elaphriini within the subfamily Noctuinae.
Bucculatrix insolita
Bucculatrix insolita is a species of ribbed cocoon-making moth in the family Bucculatricidae. It was described by Annette Frances Braun in 1918 and is known from California, North America. Like other members of its genus, it is a small moth with distinctive larval habits.
Bucculatrix sororcula
Bucculatrix sororcula is a micro-moth in the family Bucculatricidae, first described by Annette Frances Braun in 1963. It is recorded from Arizona and California in western North America. Members of this genus are commonly known as ribbed cocoon-maker moths due to the distinctive ribbed structure of their larval cocoons. The family Bucculatricidae is a small group of leaf-mining moths within the superfamily Gracillarioidea.
Cacopsylla fatsiae
Cacopsylla fatsiae is a psyllid species in the family Psyllidae, described by Jensen in 1957. It belongs to the genus Cacopsylla, which includes numerous phloem-feeding insects associated with woody plants. The species has been recorded in Japan, China (Hong Kong), and California (USA). Like other Cacopsylla species, it is presumed to feed on plant phloem sap, though specific host associations for C. fatsiae remain poorly documented in published literature.
Cacotherapia angulalis
Cacotherapia angulalis is a species of snout moth in the family Pyralidae, first described by William Barnes and James Halliday McDunnough in 1918. It is endemic to California and belongs to a genus of relatively obscure pyralid moths. The specific epithet "angulalis" likely refers to angular features in wing pattern or body shape.
Cactobrosis fernaldialis
blue cactus borer
Cactobrosis fernaldialis, commonly known as the blue cactus borer, is a snout moth species found in desert regions of the southwestern United States. Adults exhibit bivoltine flight periods in spring and late summer through autumn. The species is notable for its larval specialization on Ferocactus wislizeni.
Cactopinus desertus
Cactopinus desertus is a bark beetle species in the weevil family Curculionidae, described by Bright in 1967 from California specimens. As a member of the Scolytinae subfamily, it is part of a genus containing seven species associated with cacti. The species is known from limited collections and remains poorly studied biologically.
Californiulus chamberlini
Californiulus chamberlini is a species of millipede in the family Paeromopodidae, native to western North America. It is one of several species within the genus Californiulus, which is endemic to California and adjacent regions. Like other members of its family, it possesses the elongated, cylindrical body form typical of juliform millipedes. The species was described by Brölemann in 1922.