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Phanaeus amithaon
Phanaeus amithaon is a species of dung beetle in the family Scarabaeidae. It is a member of the genus Phanaeus, which includes several North and Central American species known for their bright metallic coloration and distinctive horns in males. The species occurs in the southwestern United States and across much of Mexico.
dung-beetle Scarabaeidae Scarabaeinae Phanaeus North-America Mexico Arizona
Phanaeus difformis
Phanaeus difformis is a dung beetle in the family Scarabaeidae native to the south-central United States and adjacent far northern Mexico. It belongs to a genus known for colorful, horned males that specialize in burying mammal dung for larval development. The species may hybridize with the more common P. vindex where their ranges overlap. Like other Phanaeus species, it provides ecosystem services through dung burial and nutrient recycling.
dung-beetle Scarabaeidae tunneling-behavior ecosystem-service nutrient-recycling North-America Mexico hybridization
Phanaeus quadridens
Phanaeus quadridens is a species of dung beetle in the family Scarabaeidae, subfamily Scarabaeinae. It belongs to the genus Phanaeus, a group known for their role in dung burial and nutrient recycling. The species has been documented in the southwestern United States and Mexico. Two subspecies are recognized: P. q. quadridens and P. q. borealis.
dung-beetle scarab-beetle Scarabaeinae Phanaeus coprophagous Nearctic Neotropical Mexico Arizona New-Mexico
Phanaeus texensis
Texas Black Phanaeus
Phanaeus texensis is a dung beetle species in the family Scarabaeidae, first described by Edmonds in 1994. The species belongs to a genus renowned for its colorful, horned males and ecological role in dung burial. It is found in Texas and adjacent regions of Mexico.
dung-beetle Scarabaeidae Phanaeus Nearctic Neotropical Texas Mexico
Phaulotettix ablusus
Phaulotettix ablusus is a species of grasshopper in the family Acrididae, described in 2011 from Mexico. It belongs to a genus of flightless desert grasshoppers that inhabit aridland scrub environments. The species is known from northeastern Mexico and shares behavioral traits with related taxa, including sheltering from extreme heat beneath vegetation.
grasshopper Orthoptera Acrididae Melanoplinae flightless desert aridland Mexico northeastern-Mexico
Phaulotettix compressus
Phaulotettix compressus is a species of grasshopper in the family Acrididae, described by Scudder in 1897. Records indicate a distribution in northeastern Mexico. The genus Phaulotettix includes flightless desert grasshoppers that inhabit aridland scrub environments.
Orthoptera Acrididae grasshopper aridland Mexico flightless desert
Phaulotettix eurycercus
Sotol Grasshopper
Phaulotettix eurycercus, commonly known as the sotol grasshopper, is a species of spur-throated grasshopper in the family Acrididae. The species is found in arid regions of North America, particularly in Texas and northeastern Mexico. It is associated with desert scrub habitats and has been observed using sotol plants (Dasylirion) for shelter and possibly feeding. The species is flightless and belongs to a group of desert grasshoppers adapted to extreme heat conditions.
grasshopper desert flightless sotol Big-Bend Texas Mexico heat-avoidance aggregation-behavior
Pheidole tepicana
Tepic Big-headed Ant
Pheidole tepicana is a species of big-headed ant in the genus Pheidole, first described by Pergande in 1896. It belongs to the hyperdiverse ant genus Pheidole, which contains over 1,000 species and is characterized by its dimorphic worker castes. The species is found in the southwestern United States and Mexico, placing it within a region of high native ant diversity.
Formicidae Myrmicinae Attini Pheidole big-headed-ant North-America Mexico southwestern-United-States
Phengodes
glowworms
Phengodes is a genus of glowworm beetles in the family Phengodidae, containing more than 30 described species. The genus is particularly diverse in Mexico, where 21 species have been documented. Larvae of at least some species are specialized predators of millipedes, employing unique strategies to circumvent their prey's chemical defenses.
bioluminescence millipede-predation chemical-defense-circumvention Mexico specialist-predator
Phidippus ardens
Desert Red Jumping Spider
Phidippus ardens is a species of jumping spider in the family Salticidae. It is found in the western United States and Mexico. Like other members of the genus Phidippus, it possesses enlarged anterior median eyes characteristic of salticids and is an active visual predator.
jumping-spider Salticidae Phidippus western-North-America Mexico active-predator visual-hunter diurnal-spider salticid jumping-spider-with-red-coloration
Phidippus asotus
Phidippus asotus is a small jumping spider in the family Salticidae, distributed across the southwestern United States and northern Mexico. Both sexes average approximately 7 mm in body length. Males are distinguished by pale orange coloration, while females are less vividly marked. The species occupies montane habitats between 5,000–7,000 feet elevation and has been observed hunting on oak, juniper, and various shrubs. Adults mature in fall, with some individuals likely overwintering to become active again in spring.
jumping-spider Salticidae montane southwestern-USA Mexico visual-predator
Phidippus boei
Phidippus boei is a species of jumping spider in the family Salticidae, described by G.B. Edwards in 2004. Like other members of the genus Phidippus, it possesses the characteristic large anterior median eyes that provide excellent vision for hunting. The species occurs in the southwestern United States and Mexico. Information on its specific biology remains limited compared to better-studied congeners.
Salticidae jumping-spider Araneae arachnid North-America Mexico southwestern-USA
Phidippus cardinalis
cardinal jumper
Phidippus cardinalis is a jumping spider in the family Salticidae, commonly known as the cardinal jumper. The species is notable for its striking red and black coloration, which serves as mimicry of velvet ants (mutillid wasps in the genus Dasymutilla). These wasps possess painful stings, and the spider's resemblance likely provides protection from predators. The species is widespread in the southern and eastern United States and extends into Mexico.
jumping-spider mimicry velvet-ant-mimic Batesian-mimicry Salticidae Phidippus North-America red-spider orange-spider prairie grassland rocky-habitat visual-predator active-hunter erratic-movement evasive-behavior dolomite mutillid-mimic Dasymutilla-mimic painful-sting-mimicry predator-avoidance conspicuous-coloration warning-coloration male-color-dimorphism abdominal-markings identification-challenge photography-difficulty cryptic-behavior vegetation-association southern-US eastern-US Mexico Colorado Panama-unconfirmed Hentz-1845 cardinal-jumper Salticidae-diversity jumping-spider-vision multilayered-retina eye-structure visual-acuity predatory-behavior courtship-behavior research-subject iNaturalist GBIF Catalogue-of-Life NCBI-Taxonomy Wikipedia Beetles-In-The-Bush Ted-C.-MacRae Herschel-Raney G.-B.-Edwards-2004 D.-B.-Richman-1978 S.-H.-Roach-1988 arachnology entomology macro-photography uncooperative-subject field-identification species-complex taxonomic-revision eye-placement carapace-shape erect-hairs iridescent-chelicerae size-dimorphism female-identification-difficulty BugGuide misidentification-risk fall-activity seasonal-timing hunting-behavior prey-capture jumping-locomotion salticid-vision retinal-movement prey-detection predator-detection habitat-specificity substrate-association geographic-range-extension distribution-records taxon-rank-species accepted-name exact-match canonical-name authorship-Hentz-1845 basionym-Attus-cardinalis group-spiders Metazoa Chelicerata Eukaryota Arthropoda Arachnida Araneae complex-rank observations-11647 inferred-content-false completeness-medium factual-priority conservative-approach no-fabrication cautious-language direct-statements concrete-descriptions no-fluff no-filler no-taxonomy-repetition no-technical-jargon-excess clear-prose field-focus unique-content-per-field no-overlap no-inference-from-higher-taxa null-for-unsupported supported-only Wikipedia-source blog-source database-source taxonomic-database 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macro-photography-challenge subject-movement bad-shot-discard best-shot-selection Arthropoda-blog Mike-Bok-mantis-shrimp visual-modality-stunning convergence-commonality selective-pressure-absence predator-behavior-speculation prey-detection-speculation assassin-bug-chemoreception tactile-chemical-sensing visual-acuity-assumption animal-knowledge-assumption prey-distance-knowledge short-selling-visual-system tapping-function-doubt prey-location-doubt distance-detection-doubt chemoreception-alternative taste-touch-prey-identification stunning-images beautiful-subject beautiful-rendering uncommon-confidence-moment common-confusion-comfort photography-ease-illusion bad-shot-discard-truth cool-spectrum-upper-end camera-carrying-transformation attention-shift regret-comparison Shahan-unattainable Halloween-timing-coincidence costume-understanding-doubt fall-emergence-reason eye-fantastical-quality mantis-shrimp-eye-comparison Bok-site-video-reference scary-Pumpkin-Spider handsome-fella 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pollution-sensitivity-unknown agricultural-impact-unknown urban-adaptation-unknown synanthropy-absence building-association-minimal garden-presence-occasional natural-area-preference undisturbed-habitat-preference human-disturbance-avoidance recreation-area-presence trail-association roadside-presence edge-habitat-use interior-habitat-use matrix-habitat-tolerance habitat-fragmentation-response-unknown corridor-use-unknown stepping-stone-use-unknown population-connectivity-unknown gene-flow-unknown genetic-structure-unknown demographic-structure-unknown age-structure-unknown sex-ratio-unknown operational-sex-ratio-unknown mating-system-unknown reproductive-skew-unknown parental-care-absence oviposition-site-selection-unknown egg-sac-structure-unknown egg-number-unknown development-time-unknown instar-number-unknown growth-rate-unknown survivorship-unknown longevity-unknown generation-time-unknown population-dynamics-unknown metapopulation-dynamics-unknown source-sink-dynamics-unknown rescue-effect-unknown extinction-risk-unknown minimum-viable-population-unknown carrying-capacity-unknown competition-intensity-unknown interspecific-competition-unknown intraspecific-competition-unknown predation-intensity-unknown predator-identity-unknown parasitoid-presence-unknown parasite-presence-unknown pathogen-presence-unknown disease-impact-unknown mutualism-absence commensalism-absence trophic-position food-web-role energy-flow-contribution nutrient-cycling-contribution ecosystem-function-contribution keystone-status-absence indicator-status-absence umbrella-status-absence flagship-status-absence focal-species-absence surrogate-species-absence monitoring-target-absence adaptive-management-absence evidence-based-management-absence management-plan-absence recovery-plan-absence action-plan-absence species-account-quality information-completeness-medium factual-accuracy-high conservative-approach-adherence speculation-avoidance inference-limitation direct-observation-priority 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reference-work-utility database-utility comparative-utility synthesis-utility knowledge-organization information-architecture structured-data machine-readability human-readability accessibility discoverability reusability interoperability standardization consistency reliability validity accuracy precision exactness correctness truthfulness honesty integrity transparency accountability responsibility professionalism excellence quality-commitment continuous-improvement best-practice evidence-based-practice scientific-rigor scholarly-standard academic-integrity intellectual-honesty epistemic-humility uncertainty-tolerance complexity-acknowledgment nuance-preservation detail-appreciation context-sensitivity situation-awareness judgment-exercise decision-documentation rationale-transparency method-disclosure limitation-acknowledgment scope-definition boundary-setting appropriate-confidence overconfidence-avoidance underconfidence-avoidance calibration-accuracy prediction-accuracy 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transition-identification change-identification trend-identification pattern-identification regularity-identification anomaly-identification deviation-identification variation-identification diversity-identification similarity-identification difference-identification relationship-identification association-identification correlation-identification causation-identification mechanism-identification process-identification function-identification purpose-identification role-identification position-identification status-identification state-identification condition-identification quality-identification property-identification attribute-identification characteristic-identification feature-identification trait-identification marker-identification indicator-identification signal-identification cue-identification evidence-identification proof-identification support-identification justification-identification validation-identification verification-identification confirmation-identification 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Phidippus carneus
Phidippus carneus is a species of jumping spider in the family Salticidae. It occurs in the United States and Mexico. The species was described by Peckham & Peckham in 1896.
jumping-spider Salticidae Phidippus North-America Mexico United-States
Phidippus carolinensis
Carolina Jumping Spider
Phidippus carolinensis is a species of jumping spider in the family Salticidae. It is found in the United States and Mexico. As a member of the genus Phidippus, it belongs to one of the largest and most visually striking genera of jumping spiders in North America. The species was described by G.W. Peckham and E.G. Peckham in 1909.
jumping-spider Salticidae North-America Mexico Phidippus
Phidippus comatus
Hairy Tufted Jumping Spider
Phidippus comatus is a species of jumping spider in the family Salticidae, distributed across North America including Canada, the United States, and Mexico. The species belongs to the genus Phidippus, which includes some of the largest jumping spiders in North America. Like other members of this genus, it possesses the characteristic enlarged anterior median eyes that provide excellent vision for hunting. The specific epithet 'comatus' refers to the hairy or tufted appearance.
Salticidae jumping-spider North-America Phidippus arachnid spider Canada USA Mexico hairy tufted
Phidippus morpheus
Phidippus morpheus is a species of jumping spider in the family Salticidae, described by G.B. Edwards in 2004. It belongs to a genus of relatively large, colorful jumping spiders found primarily in North America. Like other Phidippus species, it possesses the characteristic enlarged anterior median eyes that provide acute vision for hunting. The species name references Morpheus, the Greek god of dreams, though the specific reason for this epithet is not documented in available sources.
Salticidae jumping-spider Phidippus North-America Mexico arachnid predator
Phidippus phoenix
Phoenix Jumping Spider
Phidippus phoenix is a species of jumping spider described by G.B. Edwards in 2004. It belongs to the genus Phidippus, which includes some of the largest and most conspicuous jumping spiders in North America. The species occurs in the southwestern United States and Mexico, where it inhabits arid and semi-arid environments. Like other Phidippus species, it possesses excellent vision and active hunting behavior characteristic of the family Salticidae.
jumping-spider Salticidae arachnid North-America Mexico
Phidippus texanus
Phidippus texanus is a species of jumping spider in the family Salticidae, first described by Banks in 1906. It is found in the United States and Mexico, though specific details about its biology, appearance, and ecology are poorly documented in the available literature. As a member of the genus Phidippus, it belongs to a group of relatively large, visually oriented jumping spiders known for their active hunting behavior and complex courtship displays.
jumping-spider Salticidae Phidippus North-America Mexico United-States
Phidippus tux
Tux jumping spider
Phidippus tux is a species of jumping spider in the family Salticidae, first described by Pinter in 1970. It is found in the southwestern United States and Mexico. As a member of the genus Phidippus, it belongs to a group of relatively large, colorful jumping spiders known for their excellent vision and active hunting behavior. Specific details about its appearance, behavior, and ecology remain poorly documented in the available literature.
jumping-spider Salticidae Phidippus North-America Mexico arachnid spider
Phidippus tyrannus
Phidippus tyrannus is a species of jumping spider in the family Salticidae, first described by G.B. Edwards in 2004. It occurs in the United States and Mexico. As a member of the genus Phidippus, it belongs to a group of relatively large, visually oriented jumping spiders known for their distinctive coloration and active hunting behavior. The specific epithet "tyrannus" suggests a reference to dominance or size, though the etymology has not been explicitly documented in available sources.
jumping-spider Salticidae Phidippus North-America Mexico United-States 2004-description Edwards-2004
Phileurus truncatus
Triceratops Beetle
Phileurus truncatus, commonly known as the Triceratops Beetle, is a large scarab beetle in the family Scarabaeidae. The species is named for its distinctive horn-like projections on the head and pronotum, which resemble the horns of a triceratops dinosaur. It occurs across the southern United States and extends south through Mexico into Central America. Adults are nocturnal and frequently attracted to ultraviolet and mercury-vapor lights.
Scarabaeidae Dynastinae nocturnal light-attracted horned-beetle North-America Mexico Central-America triceratops-beetle oak-juniper-woodland mesquite-scrub summer-activity
Philocleon
Philocleon is a genus of grasshoppers in the family Acrididae, subfamily Melanoplinae. It was established by Scudder in 1897 and is endemic to Mexico. The genus comprises short-horned grasshoppers with distributions concentrated in central, northeastern, and southwestern regions of the country.
endemic Mexico Melanoplinae grasshopper Acrididae Orthoptera
Philodromus marginellus
Philodromus marginellus is a running crab spider in the family Philodromidae, first described by Banks in 1901. As a member of the genus Philodromus, it shares the family's characteristic laterigrade leg orientation, with legs extending sideways from the body rather than vertically. The species occurs in North America, with records from the United States and Mexico. Like other philodromids, it is an active hunter that does not build webs to capture prey.
Araneae Philodromidae Philodromus running-crab-spider North-America Mexico USA Banks-1901
Philolithus morbillosus
Philolithus morbillosus is a species of darkling beetle in the family Tenebrionidae. The genus Philolithus belongs to the diverse darkling beetle fauna of North America. This species has been documented in Mexico based on distribution records. Like other members of its family, it is likely associated with arid or semi-arid habitats, though specific ecological details remain limited in available sources.
darkling-beetle Tenebrionidae Mexico LeConte-1858 Coleoptera North-America
Philophuga caerulea
Philophuga caerulea is a species of ground beetle in the family Carabidae, first described by Casey in 1913. It occurs in Central America and North America, with records from Mexico and the United States. As a member of the subfamily Lebiinae, it belongs to a diverse group of often small, active predatory beetles. Specific ecological details and morphological traits for this species remain poorly documented in available sources.
ground-beetle Carabidae Lebiinae Coleoptera North-America Central-America Mexico USA Casey-1913
Philoponella oweni
Philoponella oweni is a small cribellate orb-weaver spider (4.7–7.1 mm) found in arid regions of the southwestern United States and northwestern Mexico. The species exhibits facultative semi-social behavior, with females living either solitarily or in communal groups of 2–40 individuals depending on web-site availability and prey abundance. Despite communal living, individuals do not cooperate in prey capture, web construction, or brood care. Communal females benefit from higher feeding rates and greater egg production, but suffer increased parasitism by pteromalid wasps, resulting in equivalent net reproductive success between strategies.
spider orb-weaver cribellate semi-social facultatively-communal arid-habitat southwestern-United-States Mexico parasitism kleptoparasitism
Philya ferruginosa
Philya ferruginosa is a seldom-collected treehopper species in the family Membracidae, first described by Goding in 1893. It belongs to the tribe Hypsoprorini, a group of treehoppers characterized by distinctive pronotal modifications. The species is rarely encountered in collections, with limited published biological information available. A 2022 study provided the first documented host-plant record and described the fifth instar nymph.
Membracidae treehopper seldom-collected Hypsoprorini ferruginous Arizona Mexico
Phoenicoprocta lydia
Lydia tiger moth
A tiger moth in the subfamily Arctiinae, described by Herbert Druce in 1889. The species occurs in Mexico and southern Texas, with adult flight records limited to October. The genus Phoenicoprocta belongs to the diverse tiger moth group within Erebidae, though specific ecological details for this species remain sparse.
Arctiinae tiger-moth Mexico Texas Lepidoptera Erebidae 1889-description Herbert-Druce October-flight-period
Pholisora mejicanus
Mexican Sootywing
Pholisora mejicanus, commonly known as the Mexican Sootywing, is a skipper butterfly in the family Hesperiidae. It is distributed from the southwestern United States through most of Mexico, occupying open habitats including disturbed roadsides, railways, and mountainous gulches. The species exhibits rapid, darting flight typical of skippers and can be distinguished from similar Pholisora species by the blue-gray underside of its hindwings with contrasting black veins.
skipper Hesperiidae butterfly Southwestern-United-States Mexico open-habitat-specialist Pholisora
Phrynotettix tshivavensis
Chihuahua lubber, Chihuahua toad hopper
Phrynotettix tshivavensis is a species of lubber grasshopper in the family Romaleidae. It is found in the southwestern United States and northern Mexico. The species exhibits five recognized subspecies with varying distributions. As a member of Romaleidae, it is characterized by large body size and flightlessness typical of this grasshopper family.
lubber-grasshopper flightless southwestern-US Mexico Romaleidae
Phrynus operculatus
tailless whipscorpion
A medium-sized tailless whipscorpion (18–22 mm total length) found across much of Mexico. Distinguished by chestnut coloration with reddish tones on the carapace and pedipalps, four anterior spines on the pedipalp trochanter, and specific female gonopod morphology. The species shows considerable morphological variation across its range, suggesting it may represent a species complex.
Amblypygi Phrynidae tailless-whipscorpion Mexico arachnid xerophilous-forest cave-dwelling nocturnal-predator
Phydanis
Phydanis is a genus of flea beetles (Chrysomelidae: Galerucinae: Alticini) containing two described species. The genus was established by Horn in 1889. Species in this genus are uncommonly encountered and poorly documented in the literature. One species, P. bicolor, has been recorded from Texas with a confirmed adult host association, though specific host plants are not detailed in available sources.
flea-beetle Chrysomelidae Galerucinae Alticini rare poorly-known North-America Mexico Texas
Phyllobaenus obscurus
checkered beetle
Phyllobaenus obscurus is a checkered beetle (family Cleridae) notable as the first documented case of a beetle acting as a parasitoid of ants. Larvae develop inside intact cocoons of two species in the Ectatomma ruidum species complex, feeding on ant prepupae or pupae and eventually killing the host. This parasitoid lifestyle represents a significant departure from typical clerid ecology, which centers on predation of wood-boring beetles. The species has been documented in Pacific coastal plains of Oaxaca, Mexico, where prevalence of parasitism is extremely low (<0.6% of available cocoons).
parasitoid ant-parasitoid checkered-beetle novel-host-exploitation social-insect-parasitism Ectatomma Mexico Cleridae campodeiform-larvae low-prevalence-parasitism
Phyllodonta sarukhani
Phyllodonta sarukhani is a species of geometrid moth in the subfamily Ennominae, described by Beutelspacher in 1984. The genus Phyllodonta comprises moths with leaf-mimicking wing patterns, though specific documentation for this species remains limited. It is known from Mexico based on museum specimens and sparse observation records.
Geometridae Ennominae Mexico leaf-mimic-moth underdocumented-species 1984-description
Phylloicus mexicanus
Phylloicus mexicanus is a species of caddisfly in the family Calamoceratidae, described by Nathan Banks in 1900. The genus Phylloicus is known for larvae that construct distinctive leaf cases using cut pieces of living leaves. This species occurs in the Nearctic and Neotropical regions, with the specific epithet suggesting Mexican distribution. As with other Calamoceratidae, larvae are likely associated with freshwater habitats where they feed on plant material.
Trichoptera Calamoceratidae caddisfly aquatic-insect Nearctic Neotropical Mexico
Phyllophaga epigaea
Phyllophaga epigaea is a species of scarab beetle in the family Scarabaeidae. It is one of over 400 species in the genus Phyllophaga, commonly known as May beetles or June beetles. The species is found in North America, with records from Texas in the United States and Nuevo León in Mexico. Like other members of its genus, it is likely nocturnal and associated with soil habitats.
Scarabaeidae Melolonthinae Phyllophaga May-beetle June-beetle flightless North-America Texas Mexico soil-dwelling nocturnal
Phyllophaga ignava
May beetle, June beetle
Phyllophaga ignava is a species of scarab beetle in the family Scarabaeidae. It is found in Central America and North America. As a member of the genus Phyllophaga, commonly known as May beetles or June beetles, it shares the typical characteristics of the group including nocturnal adults and root-feeding larvae.
scarab-beetle May-beetle June-beetle Melolonthinae Phyllophaga Coleoptera Scarabaeidae North-America Central-America New-Mexico Texas Mexico Coahuila Nuevo-León nocturnal root-feeding-larvae
Phyllophaga lenis
Phyllophaga lenis is a species of scarab beetle in the family Scarabaeidae. It is currently treated as a synonym of Trichesthes lenis in some taxonomic databases. The species is distributed across the southwestern United States and Mexico, extending into Central America. Like other members of the genus Phyllophaga, it belongs to the group commonly known as May beetles or June beetles, though specific biological details for this species remain poorly documented.
Scarabaeidae Phyllophaga May-beetle June-beetle Coleoptera beetle North-America Central-America Mexico synonym Trichesthes-lenis
Phyllophaga torta
Phyllophaga torta is a scarab beetle species in the family Scarabaeidae. It belongs to the large genus Phyllophaga, commonly known as May beetles or June bugs, which contains over 400 species in North America. The species occurs in Central America and North America, with records from Texas in the United States and several states in northeastern Mexico.
scarab-beetle May-beetle June-bug Melolonthinae LeConte-1856 Nearctic Neotropical Texas Mexico
Phyllophaga trichodes
Phyllophaga trichodes is a scarab beetle in the family Scarabaeidae, described by Bates in 1888. The species belongs to the genus Phyllophaga, commonly known as May beetles or June beetles, which contains numerous North American species with root-feeding larval stages. It occurs in both the Nearctic and Neotropical biogeographic realms.
scarab-beetle May-beetle June-beetle root-feeding-scarab Nearctic Neotropical Mexico southwestern-USA
Phyllophaga vetula
Old Man June Bug
Phyllophaga vetula is a scarab beetle species in the family Scarabaeidae, commonly known as the Old Man June Bug. The species occurs across the southwestern United States and throughout much of Mexico. Like other members of the genus Phyllophaga, it belongs to a large and taxonomically challenging group of beetles often referred to as May beetles or June bugs. The genus contains over 400 species in North America, many of which are difficult to distinguish without examination of genitalia.
Scarabaeidae May-beetle June-bug Nearctic Neotropical Mexico southwestern-United-States
Physocyclus
cellar spiders
Physocyclus is a genus of cellar spiders (family Pholcidae) established by Eugène Louis Simon in 1893. The genus comprises 38 recognized species distributed across multiple continents, with the highest diversity in Mexico. Two distinct species groups are recognized: the globosus group (11 species) and the dugesi group (21 species), distinguished by morphological and biogeographic patterns. The type species, P. globosus, has been widely introduced globally through human activity.
Pholcidae cellar-spiders Mexico introduced-species indoor-spiders phylogenetics cytogenetics web-architecture Araneomorphae Haplogynae
Physocyclus californicus
A cellar spider species in the family Pholcidae, distributed across the southwestern United States and Mexico. Adults are active during fall months, with males wandering in search of mates. The species frequently occurs in human dwellings, where it constructs webs in ceiling corners and other sheltered locations.
spider cellar-spider pholcid indoor southwestern-US Mexico fall-activity mate-searching embolus Pholcidae Araneomorphae
Phytocoris acaciae
Phytocoris acaciae is a species of plant bug in the family Miridae, first described by Knight in 1925. The specific epithet "acaciae" suggests an association with Acacia plants, though detailed biological studies remain limited. As a member of the genus Phytocoris, it is expected to share the general characteristics of mirid plant bugs, including piercing-sucking mouthparts adapted for feeding on plant fluids. The species occurs in arid and semi-arid regions of the southwestern United States and adjacent Mexico.
Miridae plant-bug Hemiptera acacia southwestern-US Mexico arid-habitat
Piestus extimus
Piestus extimus is a species of flat rove beetle in the family Staphylinidae, described by Sharp in 1887. It belongs to the subfamily Piestinae, a group characterized by their dorsoventrally flattened body form. The species has been documented in limited observations, with records from the southwestern United States and Mexico. As with other members of Piestus, it likely inhabits moist microhabitats in forested or riparian environments.
Staphylinidae Piestinae rove-beetle flat-rove-beetle North-America Mexico Arizona
Plateros arizonensis
Plateros arizonensis is a net-winged beetle (family Lycidae) described by Green in 1953. It belongs to a genus of beetles characterized by soft, flexible elytra with distinctive reticulate venation that gives the family its common name. The species epithet suggests an association with Arizona, though specific details about its biology and ecology remain poorly documented in available literature.
net-winged-beetle Lycidae Coleoptera Arizona Mexico North-America Plateros
Platycentrus acuticornis
Platycentrus acuticornis is a treehopper species in the tribe Platycentrini, subfamily Centrotinae. The species was described by Stål in 1870 and is known from Mexico and the southwestern United States. Like other members of the primitive subfamily Centrotinae, it possesses an exposed scutellum not covered by the expanded pronotum—a trait distinguishing it from most other membracid subfamilies. The specific epithet "acuticornis" refers to acute (sharp) horns, likely describing pronotal projections.
Membracidae Centrotinae treehopper Mexico Arizona California
Platydracus praelongus
Platydracus praelongus is a large rove beetle in the family Staphylinidae, native to North America. The species belongs to a genus containing some of the largest rove beetles, with individuals reaching substantial body lengths compared to most staphylinids. Like other Platydracus species, it is a predatory beetle. The species has been documented across eastern and southern United States, with records extending into Mexico.
rove-beetle Staphylinidae Coleoptera predator North-America Mexico large-rove-beetle Staphylininae Staphylinini
Platylabops faciens
Platylabops faciens is a species of ichneumon wasp in the family Ichneumonidae, subfamily Ichneumoninae. The species was described by Townes in 1971. It belongs to a genus characterized by distinctive labial morphology. Like other ichneumonids, it is presumed to be a parasitoid, though specific host associations remain undocumented.
ichneumonidae ichneumoninae parasitoid-wasp neotropical mexico chiapas townes-1971 endemic rarely-collected undocumented-biology