Wetland
Guides
Neoconocephalus palustris
marsh conehead
Neoconocephalus palustris, commonly known as the marsh conehead, is a large katydid species in the family Tettigoniidae. It belongs to the conehead group, characterized by a distinctive forward-projecting cone on the head. The species is found in wetland habitats across eastern North America. Like other members of the genus Neoconocephalus, it is among the largest katydids in its range, with some individuals exceeding seven centimeters in length.
Neoconocephalus retusus
Round-tipped Conehead
Neoconocephalus retusus, commonly known as the round-tipped conehead, is a species of katydid in the family Tettigoniidae. Adults range from 37 to 52 mm in length and are active during late summer and autumn. The species is found in the eastern United States and southern Canada, typically in wet grassy and weedy habitats.
Neogalerucella calmariensis
black-margined loosestrife beetle, purple loosestrife beetle
A small leaf beetle in the family Chrysomelidae, native to Europe and Asia, that has been introduced to North America as a biological control agent for invasive purple loosestrife (Lythrum salicaria). Adults and larvae feed on leaves and meristems of their host plant, causing significant damage that reduces plant vigor and seed production. The species is one of several Neogalerucella beetles used in loosestrife biocontrol programs.
Neolimnophila placida
Placid Crane Fly
Neolimnophila placida is a crane fly species in the family Limoniidae, subfamily Chioneinae. It is widely distributed across the Holarctic region, occurring in both the Nearctic and Palaearctic realms. The species has been documented from northern North America through much of Europe and across northern Asia to Japan. Like other limoniid crane flies, it is associated with moist habitats where larvae develop in decaying organic matter.
Neonemobius palustris
Sphagnum Ground Cricket, Marsh Ground Cricket
Neonemobius palustris is a small ground cricket in the family Trigonidiidae, found in eastern North America. Males measure approximately 5.7 mm and females about 6.8 mm in length. The species is strongly associated with moist habitats, particularly dense patches of sphagnum moss, sandhill seeps, and wet longleaf pine savannas. It produces a distinctive calling song consisting of trills several seconds in duration separated by pauses of similar length.
Notaris
marsh weevils
Notaris is a genus of marsh weevils in the family Brachyceridae. The genus contains at least 40 described species. These beetles are associated with wetland habitats.
Notaris puncticollis
Pale-spotted gray weevil
Notaris puncticollis is a marsh weevil species described by LeConte in 1876. It belongs to the family Erirhinidae (sometimes historically placed in Brachyceridae or Curculionidae in various classifications). The species has a boreal transcontinental distribution and is primarily associated with wetland habitats. It is one of approximately 10 observed species in the genus Notaris.
Nothodelphax
Nothodelphax is a genus of delphacid planthoppers in the family Delphacidae, containing more than 20 described species. These insects are small, winged hemipterans characteristic of the Delphacidae family. One species, Nothodelphax occlusa, has been documented utilizing Juncus effusus (common rush) as a host plant in the Pacific Northwest.
Nothodelphax umbrata
Nothodelphax umbrata is a species of planthopper in the family Delphacidae, described by Emeljanov in 1982. It belongs to a genus of small, often wetland-associated planthoppers found primarily in northern latitudes. The species has been recorded from boreal and subarctic regions including parts of northern Asia and North America. As with other delphacid planthoppers, it likely inhabits moist environments associated with its host plants.
Nymphulini
Nymphulini is a tribe of small moths in the subfamily Acentropinae (Crambidae), characterized by aquatic or semi-aquatic larval habits. The group includes numerous species whose larvae feed on submerged or emergent aquatic plants, making them among the few truly aquatic Lepidoptera. Adults are generally small with narrow wings and reduced mouthparts. The tribe is most diverse in tropical and subtropical regions, with some species extending into temperate zones.
Oeneis jutta
Jutta Arctic, Baltic grayling
Oeneis jutta, known as the Jutta Arctic or Baltic grayling, is a butterfly of the subfamily Satyrinae with a Circumboreal distribution spanning northern Eurasia and North America. The species inhabits cold, open environments including bogs and tundra. Larvae feed primarily on sedges and cottongrass, while adults nectar on Ledum palustre. The species exhibits a flexible life cycle with one generation every one to two years depending on location.
Onychylis nigrirostris
pickerelweed weevil
Onychylis nigrirostris, commonly known as the pickerelweed weevil, is a marsh-dwelling weevil species first described by LeConte in 1876. It belongs to the family Brachyceridae (sometimes historically placed in Erirhinidae or Curculionidae in various taxonomic treatments). The species is associated with wetland habitats in eastern North America.
Onychylis parvulus
marsh weevil
Onychylis parvulus is a small marsh weevil in the family Brachyceridae, originally described by Burke in 1961. It is distributed across North America and is associated with wetland habitats. The species belongs to a genus of weevils typically found in moist environments near water bodies.
Orchelimum
meadow katydid
Orchelimum is a genus of meadow katydids in the family Tettigoniidae, comprising 21 described species. These insects are characterized by their exceptionally long, thread-like antennae and are among the most abundant orthopterans in eastern North America and adjacent Canada. Males produce species-specific songs through stridulation, rubbing a file on one forewing against a scraper on the other. Many species exhibit opportunistic predation on other insects, particularly when plant food sources are limited or when seeking additional protein.
Orchelimum erythrocephalum
Red-headed Meadow Katydid
Orchelimum erythrocephalum is a North American katydid species in the meadow katydid genus Orchelimum. The common name refers to its distinctive red head coloration. Like other Orchelimum species, it inhabits grasslands and wetland edges where it feeds on both plant material and small insects. The species was described by entomologist William T. Davis in 1905.
Orchelimum pulchellum
Handsome meadow katydid
Orchelimum pulchellum, the handsome meadow katydid, is a medium-sized katydid in the family Tettigoniidae. It is distinguished from closely related species by specific morphological features of the pronotum, cerci, and hind femora. The species is found in moist forests and wetlands across the eastern United States, where it feeds on pollen, foliage, and opportunistically on other insects. It is active from mid-summer through mid-autumn in the northern parts of its range.
Oreoneta
A genus of dwarf spiders (family Linyphiidae) established in 1894, comprising approximately 30 species distributed across cold-temperate and Arctic regions of the Northern Hemisphere. Most species inhabit high-latitude or high-altitude environments. The genus was revised extensively by Saaristo & Marusik in 2004, resulting in numerous new species descriptions.
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marginalis
Ostrinia marginalis is a small crambid moth described by Francis Walker in 1866. It is found across northern North America from Newfoundland and Maine westward through the Canadian provinces to the Yukon and Northwest Territories. The species is associated with wetland habitats, specifically bogs and marshes. Its larvae feed on Rumex (dock) and Polygonum (knotweed) species.
Ostrinia penitalis
American lotus borer
Ostrinia penitalis, commonly known as the American lotus borer, is a moth in the family Crambidae described by Augustus Radcliffe Grote in 1876. It has a broad geographic distribution spanning from Mexico through Central America to Amazonas, Brazil, as well as across much of North America from Quebec to British Columbia and throughout most of the United States. The species is associated with wetland habitats, particularly marshes and pondsides.
Oxycera
soldier flies
Oxycera is a genus of soldier flies (family Stratiomyidae) comprising approximately 80 described species distributed across the Palearctic, Afrotropical, and Oriental regions. Species within this genus are associated with wetland habitats, where larvae develop in shallow water or moist substrates. Several species have shown recent range expansions, potentially linked to climate change. The genus is taxonomically well-established within the tribe Oxycerini and serves as a subject of ongoing distributional and ecological research.
Pachybrachius fracticollis
dirt-colored seed bug, wetland groundbug
Pachybrachius fracticollis is a seed bug in the family Rhyparochromidae, commonly known as the wetland groundbug or dirt-colored seed bug. The species has a broad distribution spanning Europe, Northern Asia (excluding China), and North America. Three subspecies are recognized: P. f. collaris, P. f. fracticollis, and P. f. tridens. As a member of the Myodochini tribe, it belongs to a group of ground-dwelling bugs associated with moist habitats.
Pachydrus
Pachydrus is a genus of diving beetles in the family Dytiscidae, established by Sharp in 1882. The genus belongs to the tribe Pachydrini within the subfamily Hydroporinae. It contains nine described species distributed primarily in South America, with records from Colombia and surrounding regions. As with other dytiscids, members are aquatic predators inhabiting freshwater environments.
Panorpa palustris
common scorpionfly
Panorpa palustris is a species of scorpionfly in the family Panorpidae, described by Byers in 1958. The specific epithet 'palustris' refers to its association with marsh or wetland habitats. It is found in North America. Like other scorpionflies, males possess an enlarged, genital bulb at the tip of the abdomen that is held curved upward over the back, resembling a scorpion's stinger.
Papaipema aweme
Aweme borer moth, Bogbean Borer Moth, small white-aster moth
Papaipema aweme is a noctuid moth described by Lyman in 1908. It belongs to the genus Papaipema, a group of stem-boring moths whose larvae tunnel into the roots and stems of herbaceous plants. The species is known from limited observations in North America, with confirmed records from Manitoba and Saskatchewan in Canada. It is assigned MONA/Hodges number 9504.
Papaipema cerina
golden borer moth
Papaipema cerina, the golden borer moth, is a bright yellow noctuid moth found in the Great Lakes region of North America. Adults are active from September through mid-October. The species is uncommon to rare and is associated with diverse wetland and forest habitats. Larvae are borers that feed on lilies, May apple, and certain grass species.
Papaipema eupatorii
Joe-Pye Weed Borer Moth, Joe-Pye-weed borer, eupatorium borer
Papaipema eupatorii is a noctuid moth species native to North America. The common names reference its larval association with Joe-Pye weed (Eutrochium/Eupatorium species). Adults are nocturnal and attracted to light. The species was originally described by Lyman in 1905 under the genus Gortyna.
Papaipema stenocelis
Chain Fern Borer Moth, chain fern borer
Papaipema stenocelis, known as the chain fern borer moth, is a noctuid moth native to North America. The species is a member of the genus Papaipema, a group of borers that specialize in feeding internally on the stems and roots of ferns and other plants. Its common name references its association with chain ferns (Woodwardia spp.). The species was described by Harrison Gray Dyar in 1907.
Papaipema sulphurata
Water-willow Stem Borer, Decodon Stem Borer, Swamp Loosestrife Borer Moth
Papaipema sulphurata is a noctuid moth endemic to southeastern Massachusetts, including Martha's Vineyard and Nantucket. The species is an obligate specialist on Decodon verticillatus (water-willow or swamp loosestrife), with larvae that tunnel into stems and feed on vascular tissue. Adults fly in autumn, with a wingspan of 32–38 mm. The species is considered rare due to its restricted range and specific host plant requirements.
Paraliburnia lecartus
Paraliburnia lecartus is a species of planthopper in the family Delphacidae, described by Hamilton in 2002. It belongs to the genus Paraliburnia, a group of small delphacid planthoppers characterized by their reduced wings and associated with wetland habitats. The species is known from British Columbia, Canada, and represents one of the few documented members of this genus in North America.
Paralimnus phragmitis
A leafhopper species in the family Cicadellidae, subfamily Deltocephalinae. The specific epithet 'phragmitis' references its association with Phragmites (common reed). Records indicate presence in Europe and parts of Asia, with observations from England, Apulia (Italy), Karelia (Russia), Chuvash Republic (Russia), and Khuzestan (Iran). The species is part of the tribe Paralimnini, which contains leafhoppers typically associated with wetland or grassland habitats.
Parapoynx badiusalis
Chestnut-marked Pondweed Moth
Parapoynx badiusalis, the chestnut-marked pondweed moth, is a small crambid moth found in freshwater wetland habitats across north-central and northeastern North America. The species was described by Francis Walker in 1859. Adults are active from late spring through early autumn. Larvae are aquatic and feed on pondweed species.
Parhelophilus laetus
Common Bog Fly
Parhelophilus laetus is a hoverfly species in the family Syrphidae, commonly known as the Common Bog Fly. It is associated with wetland habitats, particularly bogs and marshes. The species is found in North America, with records from the northeastern United States and adjacent Canada.
Parhelophilus rex
Dusky Bog Fly
Parhelophilus rex, commonly known as the Dusky Bog Fly, is a syrphid fly species described by Curran and Fluke in 1922. It occurs in northern North America and is considered fairly common within its range. Like other hoverflies, adults are capable of nearly motionless flight and are frequently observed visiting flowers for nectar and pollen. The larval stage remains undescribed.
Paroxya clavuliger
Olive-green Swamp Grasshopper, olive-green swamp locust
Paroxya clavuliger is a species of spur-throated grasshopper in the family Acrididae, commonly known as the olive-green swamp grasshopper. It is found in the southern and eastern United States, where it inhabits wetland environments. The species is recognized by its olive-green coloration and association with swampy habitats.
Parydra
Parydra is a genus of shore flies (Diptera: Ephydridae) comprising at least 70 described species. Species in this genus are associated with wet, muddy habitats, particularly the vegetated margins of ponds, marshes, and slow-moving water bodies. Larval development occurs in saturated substrates where larvae feed on algae and decaying organic matter. Adults are typically found near larval habitats and are most active during warmer months.
Pelenomus asperulus
Pelenomus asperulus is a species of weevil in the family Curculionidae, first described by Dietz in 1896. The genus Pelenomus comprises small weevils associated with wetland and riparian habitats. This species is recorded from boreal and subarctic regions of North America including Alaska, Yukon, Alberta, and Ontario.
Peltodytes festivus
Peltodytes festivus is a species of crawling water beetle in the family Haliplidae. It occurs in North America. Members of this family are semi-aquatic, inhabiting the margins of ponds, lakes, and slow-moving streams where they feed on algae and detritus. The genus Peltodytes is distinguished from other haliplid genera by morphological features of the elytra and hind legs.
Pentagramma vittatifrons
Pentagramma vittatifrons is a small delphacid planthopper first described by Uhler in 1876. It is a specialist herbivore with a documented association to Schoenoplectus pungens, a sedge commonly found in wetland habitats. The species occurs across multiple regions in North America, with records from both Canada and the United States.
Pentodontini
rhinoceros beetles
Pentodontini is the most diverse tribe within the subfamily Dynastinae (rhinoceros beetles), containing over 100 genera distributed across multiple biogeographic regions. Most genera are restricted to a single biogeographic region. The tribe is characterized by substantial morphological diversity, with generic-level identification often relying on mouthpart morphology in females and secondary sexual characters (horns, claw modifications, antennal club length) in males.
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hconnectivity-conservationcorridorbuffer-zoneprotected-areanational-parknature-reservewildlife-refugewilderness-areaworld-heritage-sitebiosphere-reserveRamsar-siteImportant-Bird-AreaKey-Biodiversity-AreaAlliance-for-Zero-Extinction-siteconservation-priorityhotspotcrisis-ecoregionglobal-200last-of-the-wildhuman-footprintcumulative-impactthreat-indexvulnerability-indexadaptive-capacityexposuresensitivityresilienceresistancerecoveryrestorationrehabilitationreintroductiontranslocationex-situin-situcaptive-breedingbotanic-gardenzoogene-bankseed-banktissue-banksperm-bankoocyte-bankembryo-bankDNA-bankfrozen-zooarkinsurancesafety-netde-extinctiongenetic-rescuegenetic-restorationgenetic-augmentationgenetic-managementpopulation-managementmetapopulationsource-sinkpatchmatrixlandscapeseascapeecosystembiomeecoregionprovincezoneregiondistrictsitelocalityhabitatmicrohabitatnicheecological-nichefundamental-nicherealized-nichetrophic-nichespatial-nichetemporal-nichebiotic-nicheabiotic-nichemultidimensional-nichen-dimensional-nicheHutchinsonian-nicheGrinnellian-nicheEltonian-nicheresourcerequirementlimitationstressdisturbanceperturbationfluctuationvariabilityheterogeneitycomplexitydiversityredundancystabilitypersistenceadaptationacclimationplasticityevolvabilityheritabilityselectiondriftflowmutationrecombinationspeciationcoalescencedivergenceconvergenceparallelismhomoplasyanalogyhomologysynapomorphysymplesiomorphyautapomorphyapomorphyplesiomorphyderivedancestralprimitiveadvancedbasalcrownstemnodebranchcladegradesubfamilyfamilysuperfamilyinfraordersuborderordersuperorderinfraclasssubclassclasssuperclasssubphylumphylumsuperphylumkingdomdomainlifeorganismindividualetc.Phanogomphus australis
Clearlake Clubtail
Phanogomphus australis, commonly known as the Clearlake Clubtail, is a species of dragonfly in the family Gomphidae. It is a North American endemic with a restricted distribution centered on Florida. The species inhabits lake margins and associated wetland habitats. Like other clubtails, it is characterized by the expanded, club-like tip of the male abdomen.
Phlegyas annulicrus
Phlegyas annulicrus is a true bug in the family Pachygronthidae, distributed from the southern United States through Mexico to Central America. It inhabits marshy and wetland habitats, feeding on seeds of sedges (Cyperaceae), particularly Cyperus species. The species undergoes five nymphal instars before reaching adulthood.
Photinus consimilis
Cattail Flash-train Firefly
Photinus consimilis, commonly known as the cattail flash-train firefly, is a medium-sized firefly species in the beetle family Lampyridae. It is native to eastern North America, where it inhabits wetlands and riparian areas. The species is recognized by its distinctive flash pattern of 3 to 9 quick pulses in a series lasting about 2 seconds, with 9 to 12 seconds of darkness between flash trains. Its specific epithet 'consimilis' refers to its morphological similarity to closely related Photinus species.
Phyllobrotica nigritarsis
Phyllobrotica nigritarsis is a rare leaf beetle (Chrysomelidae) endemic to the central United States. The species was historically known from only four specimens collected in Missouri during the late 1800s until a small series was collected in 1987. It is an extreme host specialist, feeding exclusively on Scutellaria parvula (small skullcap), a member of the mint family (Lamiaceae). Like other Phyllobrotica species, it inhabits wet bottomland habitats rather than dry prairies.
Pirata
pirate wolf spiders
Pirata is a genus of wolf spiders (family Lycosidae) commonly known as pirate wolf spiders. These spiders are characterized by their association with moist habitats and distinctive eye arrangement typical of lycosids. The genus was established by Sundevall in 1833 and contains multiple species distributed across North America and Eurasia. Pirata species are active hunters that do not build permanent webs for prey capture.
Pirata piraticus
Pirate Otter Spider
Pirata piraticus is a wolf spider in the family Lycosidae with a Holarctic distribution spanning North America, Europe, and Asia. Unlike the wandering hunting strategy typical of many wolf spiders, this species constructs small sheet webs with retreat tubes in moist Sphagnum moss habitats. It exhibits complex life history variation with two reproductive cohorts: early-emerging individuals mature and reproduce in the same year, while late-emerging individuals overwinter and reproduce the following spring.
Pissonotus paludosus
Pissonotus paludosus is a species of planthopper in the family Delphacidae, first described by Morgan and Beamer in 1949. It belongs to the genus Pissonotus, a group of small delphacid planthoppers found in North America. The species is documented from the southeastern United States, with records from Alabama, Florida, Georgia, Louisiana, Mississippi. Like other delphacids, it is associated with wetland and marshy habitats, as suggested by its specific epithet "paludosus" (meaning marshy or swampy).
Pithanus maerkelii
Pithanus maerkelii is a plant bug in the family Miridae. It is native to Europe and the Palearctic, with an introduced population in North America. The species feeds on grasses, sedges, and rushes, using piercing-sucking mouthparts to extract fluids from stems and reproductive structures.
Plateumaris balli
Ball's reed beetle
Plateumaris balli is a species of reed beetle in the family Chrysomelidae, described by Askevold in 1991. The specific epithet honors Dr. George E. Ball, a renowned carabidologist and distinguished expert on ground beetles. The species is known from eastern North America, with records from New Brunswick and Québec in Canada. Reed beetles in the genus Plateumaris are typically associated with wetland habitats and aquatic or semi-aquatic vegetation.
Plateumaris diversa
Plateumaris diversa is a species of leaf beetle in the family Chrysomelidae, subfamily Donaciinae. The species was described by C. Schaeffer in 1925. It is one of numerous Plateumaris species associated with wetland habitats, particularly those supporting emergent vegetation. Records indicate presence in central and eastern Canada, with observations from Manitoba, Ontario, and Québec.
Plateumaris dubia
long-horned leaf beetle, Dubious spade beetle
Plateumaris dubia is a species of aquatic leaf beetle in the family Chrysomelidae. It is found in North America, with records from western Canada and Alaska. The species is commonly known as the long-horned leaf beetle or the dubious spade beetle. Like other members of the genus Plateumaris, it is associated with wetland habitats.