Least-concern

Guides

Nehalennia gracilis
Sphagnum Sprite
Nehalennia gracilis, commonly known as the sphagnum sprite, is a small damselfly species in the family Coenagrionidae. It is one of the smallest damselflies in North America. The species is associated with peatland habitats, particularly sphagnum bogs, which is reflected in its common name. It is currently listed as Least Concern by the IUCN with a stable population.
damselfly Odonata sphagnum-bog peatland wetland North-America least-concern
Neoneura aaroni
Coral-fronted Threadtail
Neoneura aaroni, known as the coral-fronted threadtail, is a damselfly species in the family Protoneuridae. It occurs in Central America and North America. The IUCN lists it as Least Concern with a stable population. Like other threadtails, it belongs to a group of slender, small damselflies.
Odonata damselfly threadtail Least-Concern
Neurocordulia obsoleta
umber shadowdragon
Neurocordulia obsoleta, commonly known as the umber shadowdragon, is a species of emerald dragonfly in the family Corduliidae. It is distributed across North America. The species holds a Least Concern conservation status according to IUCN, with a stable population and no immediate threats to survival; this status was reviewed in 2017.
dragonfly Odonata Corduliidae emerald-dragonfly North-America Least-Concern IUCN-2017
Neurocordulia virginiensis
Cinnamon Shadowdragon
Neurocordulia virginiensis, commonly known as the cinnamon shadowdragon, is an emerald dragonfly in the family Corduliidae. The species is found in North America. It has been assigned a conservation status of Least Concern by the IUCN, with a stable population and no immediate threats to its survival.
dragonfly Odonata Corduliidae emerald-dragonfly North-America Least-Concern stable-population
Ophiogomphus occidentis
Sinuous Snaketail
Ophiogomphus occidentis, commonly known as the sinuous snaketail, is a species of clubtail dragonfly in the family Gomphidae. It is found in North America. The species is classified as Least Concern by the IUCN, with a stable population and no immediate threats to its survival.
Odonata Gomphidae snaketail dragonfly North-America Least-Concern IUCN-LC stable-population
Ophiogomphus susbehcha
St. Croix Snaketail
Ophiogomphus susbehcha, known as the St. Croix snaketail, is a species of clubtail dragonfly in the family Gomphidae. It was described in 1993 and is found in North America. The species has an IUCN conservation status of Least Concern with a stable population.
Odonata Gomphidae dragonfly clubtail snaketail North-America Least-Concern stable-population
Oplonaeschna armata
Riffle Darner
Oplonaeschna armata, commonly known as the riffle darner, is a dragonfly species in the family Aeshnidae. It occurs in Central America and North America. The species has been assessed as Least Concern by the IUCN, with a stable population and no immediate threats identified as of 2017.
dragonfly darner Aeshnidae riffle-habitat Central-America North-America Least-Concern IUCN-2017
Orthemis discolor
carmine skimmer, orange-bellied skimmer
Orthemis discolor is a medium-sized dragonfly in the skimmer family Libellulidae, commonly known as the carmine skimmer or orange-bellied skimmer. It is widely distributed across the Americas, occurring from the southern United States through Central America to South America. The species is listed as Least Concern by the IUCN with a stable population. It is a sibling species to Orthemis ferruginea (roseate skimmer), with which it has been historically confused; the two are distinguished primarily by coloration and subtle structural differences in females.
dragonfly skimmer Libellulidae Odonata Neotropical Least-Concern sibling-species karyotype-2n=23
Somatochlora filosa
Fine-lined Emerald, cordulie tricoteuse (French)
Somatochlora filosa, known as the fine-lined emerald, is a species of emerald dragonfly in the family Corduliidae. It is found in North America, with its first Canadian record documented in Quebec in 2016. The species is classified as rheophilic, inhabiting river and stream environments. The IUCN lists it as Least Concern with a stable population.
Odonata Corduliidae Somatochlora emerald-dragonfly rheophilic North-America Quebec Least-Concern riverine-habitat
Somatochlora forcipata
Forcipate Emerald
Somatochlora forcipata, commonly known as the forcipate emerald, is a species of emerald dragonfly in the family Corduliidae. It is found in North America. The species has been assessed by the IUCN as Least Concern, with a stable population and no immediate threats to its survival.
dragonfly emerald-dragonfly Corduliidae North-America Least-Concern stable-population
Somatochlora franklini
Delicate Emerald
Somatochlora franklini, commonly known as the delicate emerald, is a species of emerald dragonfly in the family Corduliidae. It is found in North America. The species has been assigned a conservation status of Least Concern (LC) by the IUCN, with a stable population and no immediate threats identified as of the 2017 assessment.
dragonfly emerald Corduliidae Odonata North-America Least-Concern IUCN-2017
Somatochlora linearis
Mocha Emerald
Somatochlora linearis, the Mocha Emerald, is a species of emerald dragonfly in the family Corduliidae. It is found in North America, with confirmed records from the United States and Québec, Canada. The species has been described as rhéophilic (adapted to flowing water habitats). The IUCN lists it as Least Concern with a stable population.
Odonata Corduliidae emerald-dragonfly rheophilic North-America Least-Concern
Somatochlora provocans
Treetop Emerald
Somatochlora provocans, commonly known as the treetop emerald, is a species of emerald dragonfly in the family Corduliidae. It is found in North America. The species has been assessed by the IUCN as Least Concern (LC) with a stable population and no immediate threats to its survival.
dragonfly emerald odonata corduliidae least-concern
Somatochlora tenebrosa
Clamp-tipped Emerald
Somatochlora tenebrosa, the clamp-tipped emerald, is a species of emerald dragonfly in the family Corduliidae. It is found in North America. The IUCN conservation status is "LC" (least concern), with a stable population. The species was reviewed in 2017.
Odonata dragonfly emerald North-America least-concern
Somatochlora whitehousei
Whitehouse's Emerald
Somatochlora whitehousei, known as Whitehouse's Emerald, is an emerald dragonfly in the family Corduliidae. The species is found in North America and is classified as Least Concern by the IUCN, with a stable population. It was described by Walker in 1925.
dragonfly emerald odonata corduliidae north-america least-concern
Stylurus ivae
Shining Clubtail
Stylurus ivae, commonly known as the shining clubtail, is a species of dragonfly in the family Gomphidae. It is endemic to North America and belongs to a genus whose common name "clubtail" refers to the swollen, club-like tip of the abdomen found in males of many species. The species was described by Williamson in 1932. Like other members of the genus, adults are typically found near rivers and streams where larvae develop. The IUCN lists this species as Least Concern with a stable population.
dragonfly Gomphidae clubtail North-America Odonata least-concern stable-population
Stylurus laurae
Laura's clubtail
Stylurus laurae, commonly known as Laura's clubtail, is a dragonfly species in the family Gomphidae. It is found in North America. The species was described by Williamson in 1932. Based on available records, it has been observed 238 times on iNaturalist. The IUCN conservation status is Least Concern (LC), indicating no immediate threat to its survival with a stable population.
dragonfly clubtail Gomphidae North-America Least-Concern
Stylurus scudderi
Zebra Clubtail
Stylurus scudderi, commonly known as the zebra clubtail, is a species of dragonfly in the family Gomphidae. It is found in North America and is distinguished by its distinctive black and white striped patterning on the abdomen. The species has been assessed by IUCN as Least Concern (LC) with a stable population, reviewed in 2017. The zebra clubtail is one of several unrelated species across different taxa that share similar black-and-white striped coloration, including zebra swallowtail butterflies, zebra longwing butterflies, zebra beetles, zebra longhorn beetles, and zebra moths.
dragonfly clubtail Gomphidae Odonata North-America zebra-pattern striped-abdomen Least-Concern IUCN-LC Selys-1873 Gomphus-scudderi
Stylurus spiniceps
Arrow Clubtail
Stylurus spiniceps, commonly known as the arrow clubtail, is a species of clubtail dragonfly in the family Gomphidae. It is found in North America. The species has been assessed as Least Concern by the IUCN, with a stable population and no immediate threats to its survival; this status was reviewed in 2017.
dragonfly Odonata Gomphidae North-America Least-Concern IUCN-2017
Tauriphila argo
Arch-tipped Glider
Tauriphila argo, commonly known as the arch-tipped glider, is a dragonfly species in the family Libellulidae. It is found in South America. The species was first described by Hagen in 1869. Its IUCN conservation status is Least Concern (LC), with a stable population and no immediate threats to survival; this status was last reviewed in 2017.
dragonfly skimmer Libellulidae Odonata South-America Least-Concern
Telebasis salva
Desert Firetail
Telebasis salva, commonly known as the desert firetail, is a species of narrow-winged damselfly in the family Coenagrionidae. It was first described by Hagen in 1861 under the basionym Agrion salva. The species has a broad distribution across the Americas, ranging from North America through Central America to South America. The IUCN lists it as Least Concern (LC) with a stable population, last reviewed in 2018.
damselfly odonata coenagrionidae desert-firetail least-concern new-world
Tortopus
Tortopus is a genus of burrowing mayflies in the family Polymitarcyidae, restricted to six species based on cladistic revision: T. igaranus, T. circumfluus, T. harrisi, T. zottai, T. bellus, and T. arenales. The genus is characterized by distinctive morphological synapomorphies including female parastyli receptors with long anterior furrows, entirely flattened penes, and nymphs bearing two subapical tubercles on mandibular tusks. Nymphs construct U-shaped tunnels in clay banks, a behavior that renders them difficult to sample with standard aquatic survey methods.
Ephemeroptera Polymitarcyidae burrowing-mayflies Neotropical clay-bank-habitat U-shaped-tunnels mandibular-tusks Tortopsis Campsurinae Panamerican-distribution cladistic-revision synapomorphy parastyli-receptors flattened-penes furcasternal-protuberances subapical-tubercles limnological-sampling-bias nymph-morphology adult-morphology type-species-T.-igaranus new-species-T.-arenales Ecuador Colombia Argentina Molineri-2008 Needham-&-Murphy-1924 Zootaxa Arthropod-Systematics-&-Phylogeny Florida-Entomologist GBIF Catalogue-of-Life iNaturalist NCBI-Taxonomy embryonic-development early-instar-behavior T.-harrisi T.-bellus T.-circumfluus T.-zottai T.-igaranus T.-incertus T.-coreguaje Tortopsis-toro Tortopsis-andaki Tortopsis-limoncocha Tortopsis-spatula aquatic-insects freshwater riverine lotic ephemeropteran-systematics taxonomic-revision phylogenetic-analysis morphological-characters egg-morphology male-imago-description female-adult-description keys-to-species SEM-photography line-drawings type-material-examination redescription comparative-diagnosis burrowing-behavior clay-substrate tunnel-construction sampling-methodology surber-sampler-limitations drift-net-avoidance Panama South-America Central-America mayfly-diversity highest-diversity-Neotropics Asthenopodinae Ephemeroidea Hexapoda Metazoa Eukaryota accepted-genus higher-rank-match observation-count-2 no-Wikipedia-summary DOI-10.11646/zootaxa.2481.1.1 DOI-10.11646/zootaxa.2436.1.4 DOI-10.3897/asp.79.e62735 DOI-10.2307/3493493 Scott-et-al.-1959 Navás Ulmer Traver Lugo-Ortiz-&-McCafferty Domínguez Banks McDunnough Pictet Needham-&-Murphy freshwater-ecology aquatic-entomology insect-development nymphal-stages imago-description alate-adults wing-venation R-sector gonopore-structure parastyli-length pedestal-morphology lateral-view-curvature mandibular-morphology tusk-tubercles mesosternal-structure abdominal-sternum-notch furcasternum protuberance-configuration receptor-socket-orientation IR-vein R2-vein claw-like-structure gonopore-association penis-base-separation female-fore-wing additional-veins comparative-morphology type-specimen holotype allotype paratype neotropical-species new-species-description species-key identification-key male-adult-key female-adult-key nymph-key generic-key Polymitarcyidae-genera systematics phylogeny cladistics monophyly sister-group character-state transformation-series parsimony-analysis morphological-data-set external-morphology egg-chorion micropyle egg-burster hatching emergence behavioral-study early-instar embryology oviposition substrate-preference habitat-specificity endemic regional-diversity conservation biomonitoring water-quality-indicator macroinvertebrate benthic infaunal interstitial hyporheic river-bank stream-bank erosion sediment particle-size clay-content bank-stability root-mat vegetation-association flow-regime current-velocity depth width stream-order catchment basin ecoregion biogeography dispersal colonization vicariance 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taxonomic-concept circumscription inclusion exclusion species-group species-complex cryptic-species morphospecies phylogenetic-species evolutionary-significant-unit operational-taxonomic-unit DNA-barcoding molecular-systematics integrative-taxonomy traditional-taxonomy alpha-taxonomy beta-taxonomy gamma-taxonomy classification-hierarchy Linnaean-system rank-based-nomenclature phylogenetic-nomenclature clade-name crown-group stem-group total-evidence congruence incongruence data-partition character-weighting implied-weighting equal-weighting ordered-characters unordered-characters multistate-characters binary-characters continuous-characters meristic-characters qualitative-characters quantitative-characters morphological-matrix data-matrix character-matrix taxon-sampling character-sampling missing-data inapplicable-data polymorphism intraspecific-polymorphism fixed-difference diagnostic-difference unique-derived-character autapomorphy shared-derived-character symplesiomorphy convergent-character parallel-evolution reversal character-optimization ACCTRAN DELTRAN unambiguous-optimization ambiguous-optimization most-parsimonious-tree tree-length consistency-index retention-index rescaled-consistency-index homoplasy-index character-fit character-congruence character-support branch-support node-support clade-stability taxonomic-stability-index phylogenetic-signal noise saturation substitution-model rate-heterogeneity among-site-rate-variation gamma-distribution invariant-sites model-selection Akaike-information-criterion Bayesian-information-criterion likelihood-ratio-test Bayesian-inference Markov-chain-Monte-Carlo posterior-probability prior-probability hyperprior convergence effective-sample-size burn-in stationarity trace-plot parameter-estimate credible-interval highest-posterior-density tree-topology tree-shape lineage-through-time diversification-rate extinction-rate speciation-rate net-diversification birth-death-model Yule-model coalescent-model population-size effective-population-size gene-flow migration-rate isolation-by-distance phylogeography historical-biogeography ancestral-area-reconstruction dispersal-vicariance-analysis decisive-weighting event-based-method taxon-area-cladogram area-cladogram biogeographic-homology track-analysis panbiogeography phylogenetic-biogeography ecological-biogeography dispersal-biogeography vicariance-biogeography center-of-origin area-of-endemism refugium Pleistocene glaciation climate-change habitat-fragmentation habitat-loss anthropogenic-impact pollution eutrophication sedimentation dam-construction water-abstraction flow-modification thermal-pollution toxic-substances heavy-metals pesticides urbanization agriculture deforestation land-use-change riparian-degradation channelization dredging mining invasive-species biological-invasion competition predation parasitism mutualism commensalism amensalism facilitation ecosystem-engineer keystone-species flagship-species umbrella-species 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elevation-record altitudinal-range latitudinal-range longitudinal-range distribution-pattern range-size range-fill extent-of-occurrence area-of-occupancy IUCN-category threat-status data-deficient not-evaluated least-concern near-threatened vulnerable endangered critically-endangered extinct-in-wild extinct population-trend population-density population-structure age-structure size-structure sex-ratio reproductive-output fecundity fertility mortality survivorship life-table cohort-analysis generation-time doubling-time intrinsic-rate-of-increase finite-rate-of-increase net-reproductive-rate stable-age-distribution stationary-population expanding-population declining-population source-sink-dynamics metapopulation population-viability-analysis minimum-viable-population genetic-diversity heterozygosity allelic-richness private-allele founder-effect bottleneck genetic-drift inbreeding inbreeding-depression outbreeding outbreeding-depression hybridization introgression gene-flow-barrier 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trans-regulatory enhancer promoter silencer insulator transcription-factor signaling-pathway developmental-pathway gene-network epigenetic-modification DNA-methylation histone-modification chromatin-remodeling genomic-imprinting parental-effect maternal-effect paternal-effect cytoplasmic-inheritance mitochondrial-DNA chloroplast-DNA endosymbiont Wolbachia Rickettsia Spiroplasma Cardinium Arsenophonus Hamiltonella Regiella Serratia Buchnera Carsonella Portiera primary-endosymbiont secondary-endosymbiont facultative-symbiont obligate-symbiont mutualistic-symbiont parasitic-symbiont commensal-symbiont pathogen vector disease-transmission zoonosis emerging-infectious-disease biosecurity quarantine eradication control management conservation-biology restoration-ecology habitat-restoration river-restoration stream-restoration floodplain-restoration riparian-restoration wetland-restoration ecosystem-restoration passive-restoration active-restoration assisted-recovery managed-relocation 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adjacency-matrix edge-list graph-theory vertex edge node link tie connection path cycle tree forest component giant-component percolation phase-transition criticality self-organized-criticality power-law heavy-tail Pareto-distribution lognormal-distribution exponential-distribution Poisson-distribution binomial-distribution normal-distribution Gaussian-distribution statistical-distribution probability-distribution cumulative-distribution probability-density-function cumulative-distribution-function survival-function hazard-function moment mean median mode variance standard-deviation coefficient-of-variation skewness kurtosis quantile percentile decile quartile interquartile-range range minimum maximum outlier robust-statistic parametric-test non-parametric-test hypothesis-testing null-hypothesis alternative-hypothesis significance-level p-value confidence-interval type-I-error type-II-error statistical-power effect-size sample-size sampling-design experimental-design 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multilevel-model hierarchical-model Bayesian-hierarchical-model state-space-model hidden-Markov-model time-series-analysis spatial-analysis geostatistics kriging variogram spatial-autocorrelation Moran's-I Geary's-c Getis-Ord-Gi local-indicator-of-spatial-association LISA hot-spot cold-spot spatial-cluster spatial-outlier edge-effect boundary-effect modifiable-areal-unit-problem MAUP ecological-fallacy atomistic-fallacy cross-scale-inference upscaling downscaling scaling-law allometric-scaling fractal fractal-dimension self-similarity multi-fractal lacunarity roughness texture pattern process pattern-process-relationship neutral-model null-model randomization-test permutation-test bootstrap jackknife cross-validation model-averaging model-comparison information-criterion Bayesian-model-averaging ensemble-modeling consensus-model prediction forecast projection scenario narrative-scenario quantitative-scenario storyline shared-socioeconomic-pathway representative-concentration-pathway emission-scenario climate-scenario impact-scenario adaptation-scenario mitigation-scenario transformation-scenario backcasting forecasting trend-extrapolation expert-judgment Delphi-method participatory-modeling stakeholder-analysis influence-diagram conceptual-model mental-model system-archetype leverage-point intervention-point policy-instrument economic-instrument regulatory-instrument voluntary-instrument information-instrument market-based-instrument command-and-control-instrument subsidy tax charge fee levy deposit-refund tradable-permit emission-trading carbon-tax biodiversity-banking conditional-cash-transfer community-based-natural-resource-management joint-forest-management co-management adaptive-co-management transboundary-management international-regime global-governance multilateral-environmental-agreement convention treaty cartagena-protocol nagoya-protocol Aichi-target sustainable-development-goal SDG post-2020-global-biodiversity-framework 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Tramea abdominalis
Vermilion Saddlebags, vermilion saddlebag
Tramea abdominalis, commonly known as the vermilion saddlebags, is a species of skimmer dragonfly in the family Libellulidae. It is widely distributed across the Caribbean, Central America, North America, Oceania, and South America. The species has been assessed as Least Concern by the IUCN with a stable population and no immediate threats to its survival.
dragonfly skimmer Libellulidae Odonata widespread-distribution Least-Concern