Synonym
Guides
Pseudostenophylax uniformis
Pseudostenophylax uniformis is a species of caddisfly in the family Limnephilidae, originally described by Betten in 1934. It is currently recognized as a synonym of Pseudostenophylax sparsus. The species belongs to the subfamily Pseudostenophylacinae, a group of case-making caddisflies. Records indicate presence in North America, specifically in Vermont, United States.
Psilopyga fasciata
Psilopyga fasciata is a small sap-feeding beetle in the family Nitidulidae, first described from Mexico by Sharp in 1891. The species has undergone taxonomic revision and is currently treated as a synonym of Oxycnemus fasciatus. Records indicate presence in Middle and North America, though specific biological details remain poorly documented in available literature.
Pterostichus sculptus
Pterostichus sculptus is a species of ground beetle in the family Carabidae. It is classified as a woodland ground beetle and is found in North America. The species was described by LeConte in 1853. It is currently recognized as a synonym of Abacidus sculptus in some taxonomic databases, though it remains listed under Pterostichus in other sources.
Pugettia
kelp crabs
Pugettia is a genus of marine kelp crabs in the family Epialtidae, distributed across the North Pacific from North America to East Asia. Species inhabit shallow subtidal zones, primarily associated with macroalgal habitats including kelp beds, Sargassum stands, and red algal turfs. Many species exhibit ontogenetic habitat shifts, with juveniles and smaller individuals occupying deeper algal turfs while larger adults migrate to shallower macroalgal beds. The genus includes approximately 25 extant species plus one fossil species, with several species serving as important subjects for studies of crab growth, reproduction, and habitat ecology.
kelp-crabspider-crabmacroalgaeontogenetic-shiftsubtidalNorth-PacificEpialtidaedecapodBrachyuramarine-invertebratekelp-forestalgal-turfseasonal-migrationterminal-moltfunctional-maturitydecorating-behaviorpiscivoryabalone-predationsea-urchin-predationone-year-life-cyclesexual-dimorphismSargassumGelidiaceaeGrateoloupiaEast-AsiaNorth-AmericaSagami-Bayjuvenile-recruitmentovigerous-femalescarapace-morphologygonopod-morphologyepialtineMajoideaheterotremeeubrachyuranpleocyematemalacostracancrustaceanarthropodinvertebratebenthicphytallittoralsublittoralintertidalrocky-shoretemperate-marinePacific-OceanJapanPhilippinesTaiwanRussiaTasmaniaBritish-ColumbiaCaliforniaBaja-CaliforniaDana-1851RathbunDe-HaanYokoyaStimpsonSakaiGarthOhtsuchiKawamuraTakedaKomatsuLiMiyakeOrtmannRicher-de-ForgesKarasawaKitamuraRandallZootaxaCrustaceanaJournal-of-Crustacean-BiologyFisheries-SciencePeerJontogenetic-stagespost-settlementrecruitmentpopulation-dynamicsgrowth-patternsmorphometricschelipedpleonabdomencarapace-widthCWPCLCLCHAWrelative-claw-lengthrelative-abdominal-widthsize-at-maturity50%-maturityanecdysisecdysismoltcopulationbreedingclutchlarvaehatchingpredator-preytrophic-ecologyfood-webherbivoryomnivorycarnivoryopportunistic-feedingcovering-behaviorhabitat-segregationhabitat-preferencehabitat-complexitysettlement-selectivitymortalitydensityabundanceseasonal-occurrencespringsummerautumnwinterannual-life-cycleshort-livediteroparitysemelparitysexual-maturitybehavioral-maturitymorphological-maturitypre-terminal-moltpost-terminal-moltvirgin-femalelaboratory-observationfield-observationinferredconservativefactualdocumentedobservedknownreporteddescribedillustratedredescribedtaxonomic-revisionspecies-delimitationnew-speciestype-localitydistribution-rangerange-overlapsympatricallopatricparapatricendemiccosmopolitantemperateborealneriticepibenthicdemersalsessilemotilemobilecrypticconspicuouscamouflagemimicrydecoratingmaskingalgal-associationphytal-habitatcanopyunderstoryturfbedstandforestreefrocksandmudsedimentsubstratecomplex-structurephysical-structurebiogenic-habitatecosystem-engineerfoundation-specieskeystone-speciesindicator-speciesfisheriesaquaculturestock-assessmentmanagementconservationbiodiversitybiogeographyphylogenysystematicstaxonomynomenclaturehomonymsynonymjunior-synonymsenior-synonymvalid-nameaccepted-namenominal-speciesspecies-inquirendaspecies-complexsibling-speciescryptic-speciesmorphospeciesbiological-speciesevolutionary-speciesphylogenetic-speciesoperational-taxonomic-unitOTUDNA-barcodingmolecular-phylogeneticsintegrative-taxonomyalpha-taxonomybeta-taxonomygamma-taxonomymonographrevisionredescriptiondiagnosisdescriptionillustrationmeasurementmeristicmorphometricallometryontogenyheterochronypaedomorphosisperamorphosisdevelopmentembryologylarval-developmentzoeamegalopasettlementjuvenileimmaturematureadultsubadultgeronticsenescencelongevitylife-spanlife-historylife-history-strategyr-selectionK-selectionbet-hedgingreproductive-effortreproductive-successfitnesspopulationdemographycohortgenerationage-structuresize-structurestage-structurepopulation-regulationdensity-dependencedensity-independencecarrying-capacitylimiting-factorenvironmental-gradienthabitat-gradientdepth-gradientzonationvertical-distributionhorizontal-distributiongeographic-distributionlatitudinal-gradientlongitudinal-gradientbathymetric-distributionintertidal-zonesubtidal-zonecontinental-shelfcontinental-slopeabyssal-zonehadal-zoneneritic-zoneoceanic-zonepelagic-zonebenthic-zonedemersal-zoneepipelagicmesopelagicbathypelagicabyssopelagichadopelagicsupralittoralcircalittoralarchibenthalbathyalabyssalhadaleuphoticdysphoticaphoticphotic-zonedisphotic-zoneaphotic-zonetrophic-levelprimary-producerprimary-consumersecondary-consumertertiary-consumerdetritivorescavengerpredatorherbivorecarnivoreomnivoreparasitecommensalmutualistsymbiontcompetitorfood-chaintrophic-cascadebottom-up-controltop-down-controlwassefugmesopredator-releasetrophic-tricklenutrient-cyclingenergy-flowproductivitybiomassstanding-stockturnoverproductionrespirationexcretionegestionassimilationefficiencyecological-efficiencytrophic-transfer-efficiencyLindeman-efficiency10%-rulepyramid-of-numberspyramid-of-biomasspyramid-of-energyecosystem-functionecosystem-serviceecosystem-processbiogeochemical-cyclecarbon-cyclenitrogen-cyclephosphorus-cyclesulfur-cycleoxygen-cyclehydrogen-cyclemineral-cyclenutrientlimiting-nutrienteutrophicationoligotrophicationhypoxiaanoxiaacidificationwarmingclimate-changeglobal-changeanthropogenic-impactpollutioncontaminationhabitat-losshabitat-degradationhabitat-fragmentationoverfishingbycatchinvasive-speciesintroduced-speciesnon-native-speciesalien-speciesexotic-speciesrange-expansionrange-contractionrange-shiftpoleward-shifttropicalizationborealizationmeridionalizationdeglaciationsea-level-risecoastal-squeezeocean-acidificationocean-warmingdeoxygenationmarine-heatwaveextreme-eventdisturbanceresilienceresistancerecoveryadaptationacclimationplasticityevolutionary-adaptationgenetic-ad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caelebs
Pyromorpha caelebs is a species of moth in the family Zygaenidae, currently treated as a synonym of Pyromorpha dimidiata in major taxonomic databases. The species was described by Blanchard in 1972. Members of this genus are known as "leaf-skeletonizer moths" and participate in Müllerian mimicry complexes with net-winged beetles (family Lycidae).
Quedius caseyi
Quedius caseyi is a species of rove beetle (family Staphylinidae) described by Scheerpeltz in 1933. It is currently recognized as a synonym of Quedius (Microsaurus) divergens, a member of the subgenus Microsaurus within the large genus Quedius. The species has been recorded from multiple provinces across Canada and several western and midwestern U.S. states.
Quedius longipennis
Quedius longipennis is a rove beetle (family Staphylinidae) originally described by Mannerheim in 1846. The species is currently treated as a synonym of Quedionuchus longipennis, having been transferred to the genus Quedionuchus based on phylogenetic and morphological studies. It is distributed across northern North America, with records from Canada and the northern United States. As a member of the large rove beetle family, it likely occupies soil and litter habitats typical of the group, though specific ecological details remain poorly documented.
Quedius mesomelinus
Quedius mesomelinus is a rove beetle (Staphylinidae) originally described from Europe in 1802. The species has been widely introduced outside its native range, with established populations in North America, South America, Australia, New Zealand, and several subantarctic islands. A subspecies, Q. m. skoraszewskyi, was described in 1961 but is treated as a synonym. The species belongs to the subgenus Microsaurus within the large genus Quedius.
Rhynocoris ventralis americanus
Rhynocoris ventralis americanus is a subspecies of assassin bug described by Bergroth in 1897. It is currently recognized as a synonym within the Reduviidae family. The taxon belongs to the harpactorine assassin bugs, a group of predatory true bugs. Very little specific information is documented for this particular subspecies.
Rhynocoris ventralis annulipes
Rhynocoris ventralis annulipes is a subspecies of assassin bug described by Van Duzee in 1914. It is currently considered a synonym of Rhynocoris ventralis. The taxon belongs to the family Reduviidae, a diverse group of predatory true bugs commonly known as assassin bugs. Members of this genus are recognized for their raptorial forelegs adapted for capturing prey.
Rhynocoris ventralis ventralis
Rhynocoris ventralis ventralis is a subspecies of assassin bug in the family Reduviidae, originally described by Thomas Say in 1832. The taxon is currently recognized as a synonym within the genus Rhynocoris, which comprises predatory true bugs. The species Rhynocoris ventralis belongs to the subfamily Harpactorinae, a diverse group of reduviids characterized by raptorial forelegs adapted for capturing prey. This subspecies designation represents one of the infraspecific forms described within the broader R. ventralis complex.
Rhysodesmus texicolens
Rhysodesmus texicolens is a flat-backed millipede in the family Xystodesmidae. First described by Chamberlin in 1938, it is currently treated as a synonym of Aporiaria texicolens in some taxonomic databases. The species has been documented in Texas and is part of a diverse genus of polydesmidan millipedes found in North America.
Rindgea flaviterminata
Rindgea flaviterminata is a species of geometrid moth in the family Geometridae, originally described from North America. The specific epithet "flaviterminata" refers to yellow terminal markings on the wings. This species is currently treated as a synonym of Digrammia flaviterminata.
Rindgea maricopa
Rindgea maricopa is a species of geometrid moth described by George Duryea Hulst in 1898. The species is currently treated as a synonym of Digrammia maricopa, reflecting ongoing taxonomic revisions within the Geometridae. Like other members of this family, it is a nocturnal moth with larvae that are likely folivorous, though specific details about its biology remain poorly documented. The species epithet "maricopa" references Maricopa County or the Maricopa region of Arizona, suggesting a southwestern North American distribution.
Rindgea stipularia
Rindgea stipularia is a species of geometrid moth originally described from North America. The species has been moved between genera, currently recognized as Digrammia stipularia by some authorities while retaining the original combination Rindgea stipularia in other treatments. As a member of Geometridae, it belongs to a diverse family of moths commonly known as inchworms or loopers due to their characteristic larval locomotion. The species was described by Barnes and McDunnough in 1913, reflecting early 20th-century lepidopterological work in North America.
Robertsonomyia
Robertsonomyia is a genus of flies in the family Conopidae, described by Malloch in 1919. The genus is currently treated as a synonym of Zodion by Catalogue of Life, though GBIF lists it as doubtful. Conopid flies, commonly known as thick-headed flies, are parasitoids of bees and wasps. The taxonomic status of Robertsonomyia remains unresolved in current databases.
Rosenus abiskoensis
Rosenus abiskoensis is a leafhopper species described by Lindberg in 1926 from the genus Rosenus within the family Cicadellidae. It is currently treated as a synonym of Rosenus laciniatus. The species is known from high-latitude and high-altitude localities across northern Eurasia and Alaska, suggesting an association with cold-climate habitats.
Salda provancheri
Salda provancheri is a true bug in the family Saldidae (shore bugs), described by Kelton & Lattin in 1968. It is currently recognized as a synonym of Salda coriacea. The species belongs to the leptopodomorphan infraorder within Heteroptera. Very few observations of this taxon exist in public databases.
Salebriaria ademptandella
Salebriaria ademptandella is a synonym of Salebriaria turpidella, a species of snout moth in the family Pyralidae, subfamily Phycitinae. Originally described by Dyar in 1908, this name is no longer considered valid in current taxonomy. The species belongs to a genus of small moths primarily found in North America.
Saphenista latipunctana
Saphenista latipunctana is a species of tortricid moth originally described by Walsingham in 1879. The species was transferred to the genus Saphenista by Brown in 2019, having previously been classified under Phalonidia. As a member of Tortricidae, it belongs to a large family of small moths commonly known as leafroller moths. The species is currently recognized as a synonym of Phalonidia latipunctana in some taxonomic treatments.
Scambus tecumseh
Scambus tecumseh is a North American ichneumon wasp described by Viereck in 1917. It is currently treated as a synonym of Scambus hispae. The species belongs to the subfamily Pimplinae, a group of parasitoid wasps that attack concealed hosts such as caterpillars and beetle larvae. Records indicate occurrence in western Canada.
Scaphoideus nigrellus
Scaphoideus nigrellus is a synonym of Scaphoideus titanus, the American grapevine leafhopper. The species was described by DeLong and Mohr in 1936 but is now considered a junior synonym. The valid name S. titanus is a significant agricultural pest in European vineyards, where it vectors the phytoplasma causing Flavescence dorée disease. In its native North American range, it feeds on wild grapevines and is rarely noticed.
Scaphytopius speciosus
Scaphytopius speciosus is a species of leafhopper in the family Cicadellidae, originally described by Van Duzee in 1923. It is currently treated as a synonym of Scaphytopius nigricollis. The species has been recorded in the southwestern United States and northwestern Mexico.
Siro boyerae
mite harvestman
Siro boyerae is a species of mite harvestman in the family Sironidae. It was originally described as Neosiro boyerae by Giribet & Shear in 2010, and was previously placed in the genus Siro before taxonomic revision. This small arachnid belongs to the suborder Cyphophthalmi, a group of primitive harvestmen characterized by their eyeless condition and compact body form.
Siro kamiakensis
Siro kamiakensis is a species of mite harvestman, a small arachnid in the family Sironidae. It was described by Newell in 1943 and is currently classified under the genus Neosiro, though it was historically placed in Siro. The species is found in North America, with records from the Pacific Northwest region of the United States.
Sitona cockerelli
Sitona cockerelli is a weevil species in the family Curculionidae, originally described by Blaisdell in 1938. According to GBIF taxonomy, this name is currently treated as a synonym of Sitones californius. The genus Sitona includes species associated with leguminous plants, though specific details for S. cockerelli are sparse in the available literature.
Smerinthus astarte
Drowsy-eyed Sphinx
Smerinthus astarte is a sphinx moth in the family Sphingidae, currently treated as a synonym of Smerinthus cerisyi by most authorities. The species is known from western North America, with records from Alberta, Manitoba, Saskatchewan, and Vermont. The caterpillars feed on aspen, cottonwood, and willow foliage. Adults are nocturnal and possess distinctive eyespot patterns on the hindwings.
Sobara
Sobara is a genus of leafhoppers (family Cicadellidae, subfamily Deltocephalinae) established by Oman in 1949. It is currently treated as a synonym of Omansobara, with over 1,100 iNaturalist observations. The genus belongs to the tribe Platymetopiini within the diverse leafhopper fauna of the Hemiptera order.
Speyeria callippe calgariana
Callippe Fritillary
Speyeria callippe calgariana is a subspecies of fritillary butterfly in the family Nymphalidae. It is currently recognized as a synonym of Speyeria nevadensis. The subspecies was described by McDunnough in 1924. Like other Speyeria species, it belongs to a genus characterized by close ecological relationships with violet host plants and distinctive orange and black wing patterns.
Speyeria callippe gallatini
Speyeria callippe gallatini is a subspecies of fritillary butterfly in the family Nymphalidae. The taxon is currently recognized as a synonym of Speyeria nevadensis. It was described by McDunnough in 1929. No specific biological information for this subspecies is documented in the provided sources.
Speyeria hesperis chitone
Speyeria hesperis chitone is a subspecies of fritillary butterfly in the family Nymphalidae. It was described by W.H. Edwards in 1879. The taxon is currently listed as a synonym of Speyeria atlantis in GBIF records. As a member of the greater fritillary group (Speyeria), it belongs to a genus known for visual-based navigation to habitat patches and obligate larval dependence on violet family plants (Violaceae).
Speyeria hesperis hutchinsi
Speyeria hesperis hutchinsi is a subspecies of fritillary butterfly described in 1947. It is currently treated as a synonym of Speyeria atlantis, indicating taxonomic uncertainty or reclassification. The species belongs to the genus Speyeria, commonly known as greater fritillaries, which are large, orange-brown butterflies with silvery spots on the wing undersides.
Speyeria hesperis nausicaa
Speyeria hesperis nausicaa is a subspecies of the northwestern fritillary butterfly, first described by W.H. Edwards in 1874. It is currently recognized as a synonym of Speyeria atlantis. The species belongs to the brush-footed butterfly family Nymphalidae. Research on related Speyeria species has demonstrated that visual perception is the primary sense used for navigation to suitable habitat patches.
Speyeria hesperis tetonia
Speyeria hesperis tetonia is a subspecies of fritillary butterfly in the family Nymphalidae. It was described by Passos and Grey in 1945. The taxon is currently listed as a synonym of Speyeria atlantis in GBIF, indicating taxonomic uncertainty or reclassification. Like other Speyeria species, it belongs to a genus of greater fritillaries found across North America.
Sphaeroteras
Sphaeroteras is a genus of cynipid wasps established by Ashmead in 1897. It is currently recognized as a synonym of Biorhiza, a genus of gall wasps that induce galls on oak trees. Records from Scandinavia suggest these wasps are associated with temperate European oak woodlands.
Sphenophorus crenatus
Sphenophorus crenatus is a weevil species described by Gyllenhal in 1838. It is currently treated as an ambiguous synonym of Cactophagus crenatus in modern taxonomic databases. The species belongs to the family Dryophthoridae, a group formerly classified within Curculionidae. Like other members of the genus Sphenophorus (billbugs), it is presumed to have a weevil body plan with an elongated snout, though specific morphological details for this particular species are not well documented in available sources.
Spilomyia texana
Texas Hornet Fly
Spilomyia texana is a hover fly (family Syrphidae) first described from Texas in 1921 by Johnson. The species is currently treated as a synonym of Spilomyia alcimus (Walker, 1849), the Broad-banded Hornet Fly, by major taxonomic databases including GBIF and Catalogue of Life. Like other members of the genus Spilomyia, it is a wasp mimic with yellow and black coloration. The genus contains approximately 13 species in North America, all known for their convincing mimicry of yellowjackets in both appearance and behavior.
Stenodynerus lucidus
Stenodynerus lucidus is a small solitary mason wasp in the subfamily Eumeninae. The species was described by Rohwer in 1917 and is currently considered a synonym of Rhynchalastor lucidus by some taxonomic authorities, though it remains listed under Stenodynerus in other sources. Like other eumenine wasps, it nests in pre-existing cavities and provisions its cells with paralyzed caterpillars as food for its larvae.
Stenostrophia tribalteata tribalteata
Stenostrophia tribalteata tribalteata is a subspecies of longhorned beetle (Cerambycidae) in the subfamily Lepturinae. It was originally described by LeConte in 1873. The taxon is currently treated as a synonym in some sources, though it has also been recognized as valid in more recent literature. It occurs in western North America, with records from California and Nevada.
Stilbus apicalis
Apical Shining Flower Beetle
Stilbus apicalis is a species of shining flower beetle in the family Phalacridae. The species was originally described by Melsheimer in 1845 under the name Phalacrus apicalis, and is now accepted as a member of the genus Stilbus. Commonly known as the Apical Shining Flower Beetle, it has been documented in the northeastern United States, particularly Vermont. The genus Stilbus comprises small, often metallic beetles associated with flowers and decaying plant material.
Streptanus okaensis
Streptanus okaensis is a species of leafhopper in the family Cicadellidae, subfamily Deltocephalinae. First described by Zakhvatkin in 1948, it is currently treated as a synonym of Streptanus ogumae. The species has been recorded from localities across the northern Palearctic, including Alaska, England, Kamchatka, and the Kuril Islands.
Stricticomus tobias
Double-dotted Anthicid
Stricticomus tobias is a species of ant-like flower beetle in the family Anthicidae. The species is currently classified as a synonym of Stricticollis tobias in some taxonomic databases, reflecting ongoing taxonomic revision in this group. Records indicate presence in Brazil (Distrito Federal, São Paulo), Belgium, and Canada (Québec). The common name "Double-dotted Anthicid" suggests a distinctive pattern of markings, though detailed morphological descriptions are limited in available sources.
Stromatium unicolor
Stromatium unicolor is a species of longhorn beetle in the family Cerambycidae, currently treated as a synonym of Stromatium auratum. The species was described by Olivier in 1800. Records indicate occurrence in Brazil (Rio de Janeiro, São Paulo, Amazonas) and Albania, though the taxonomic status and distribution require verification given its synonymy with S. auratum.
Strumigenys pilinasis
Hairy-snouted Mustache Ant
Strumigenys pilinasis is a species of trap-jaw ant in the family Formicidae, first described by Auguste Forel in 1901. The species is characterized by its distinctive pilose (hairy) snout, which gives rise to its common name. Like other members of the genus Strumigenys, it possesses elongated mandibles capable of rapid closure to capture prey. The species has been historically classified under the genus Pyramica, which is now treated as a synonym of Strumigenys. It belongs to a diverse genus containing over 850 described species, many of which remain poorly known.
Styloxus fulleri fulleri
Styloxus fulleri fulleri is a subspecies of longhorn beetle (Cerambycidae) in the tribe Methiini. The taxon was originally described by Horn in 1880. GBIF records indicate presence in Mexico and the United States. iNaturalist shows 17 observations of this subspecies. The taxon is currently treated as a synonym in some databases.
Sunius debilicornis
Sunius debilicornis is a species of rove beetle (family Staphylinidae) first described by Wollaston in 1857. It is currently treated as a synonym of Hypomedon debilicornis in some taxonomic databases, reflecting ongoing nomenclatural revisions within this group. The species is known from the Azores archipelago, with records from five islands. As a rove beetle, it belongs to one of the most diverse families of Coleoptera, characterized by short elytra and exposed abdominal segments.
Sympistis tenuistriga
Thin-lined Sallow
Sympistis tenuistriga is a moth species described by McDunnough in 1940, currently treated as a synonym of Sympistis badistriga. It belongs to the family Noctuidae (owlet moths) and is known from the Canadian prairie provinces and Vermont. The common name "Thin-lined Sallow" refers to its characteristic wing pattern. Limited observational data exists, with 19 records on iNaturalist.
Synapte pecta
Northern Faceted Skipper
Synapte pecta is a skipper butterfly (family Hesperiidae) described by Evans in 1955. It is currently recognized as a synonym of Synapte malitiosa, though it is still referenced by its original name in some contexts. The species is commonly known as the Northern Faceted Skipper. It belongs to the subfamily Hesperiinae, a diverse group of grass-feeding skippers.
Syzeton ouachitanus
Syzeton ouachitanus is a small beetle species in the family Aderidae (ant-like leaf beetles), originally described as Zonantes ouachitanus in 1990 and later transferred to the genus Syzeton. The specific epithet refers to the Ouachita Mountains or Ouachita region of North America. The species is currently recognized as a synonym in some taxonomic databases, reflecting ongoing revisionary work in this taxonomically challenging family. Like other aderids, it is likely minute, ant-mimicking, and associated with leaf litter or fungal habitats.
Tabanus sequax
Pursuing Horse Fly
Tabanus sequax, commonly known as the Pursuing Horse Fly, is a species of horse fly in the family Tabanidae. The species was described by Williston in 1887 and is currently recognized as a synonym of Hybomitra sequax in modern taxonomic treatments. As with other horse flies, it belongs to a group of biting flies known for their persistent pursuit of mammalian hosts. The species has been documented from at least two observations, though detailed biological information remains limited.