Aquatic/Terrestrial Insect Report
Agapetus medicus Class: Insecta Order: Trichoptera Family: Glossosomatidae
Priority Score: 8 out of 100
Population Trend: Unknown
G Rank: G? — Uncertain global ranking S Rank: S? — Uncertain ranking in Arkansas
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Agapetus medicus Page 561 Arkansas agapetus caddisfly Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Ouachita Mountains - Ouachita River Ouachita Mountains - Red River Ozark Highlands - Arkansas River Ozark Highlands - White River Terrestrial Habitats Ozark-Ouachita Riparian Suitable Aquatic Habitats Natural Riffle: - Small Suitable
Agapetus medicus Page 562 Arkansas agapetus caddisfly Aquatic/Terrestrial Insect Report
Problems Faced Threat: Hydrological alteration Source: Dam Threat: Sedimentation Source: Resource extraction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments An Arkansas endemic insect known from five counties in the state. Inhabits cool, swift-moving mountain streams (Ross 1938).
Agapetus medicus Page 563 Arkansas agapetus caddisfly Aquatic/Terrestrial Insect Report
Allocapnia jeanae Class: Insecta Order: Plecoptera Family: Capniidae
Priority Score: 50 out of 100
Population Trend: Unknown
G Rank: G2 — Imperiled species S Rank: S1? — Critically imperiled in Arkansas (inexact numeric rank)
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Allocapnia jeanae Page 564 winter stonefly Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Boston Mountains - Arkansas River Boston Mountains - White River Ozark Highlands - White River
Terrestrial Habitats Ozark-Ouachita Riparian Suitable Aquatic Habitats Natural Pool: - Small Suitable Natural Riffle: - Small Suitable
Allocapnia jeanae Page 565 winter stonefly Aquatic/Terrestrial Insect Report
Problems Faced Threat: Hydrological alteration Source: Dam Threat: Sedimentation Source: Resource extraction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments An endemic stonefly found only in the Ozark Mountains of Arkansas.
Allocapnia jeanae Page 566 winter stonefly Aquatic/Terrestrial Insect Report
Allocapnia malverna Class: Insecta Order: Plecoptera Family: Capniidae
Priority Score: 11 out of 100
Population Trend: Unknown
G Rank: G4 — Apparently secure species S Rank: S? — Uncertain ranking in Arkansas
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Allocapnia malverna Page 567 winter stonefly Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins South Central Plains - Ouachita River
Terrestrial Habitats Lower Mississippi River Riparian Forest Suitable West Gulf Coastal Plain Small Stream/River Forest Suitable Aquatic Habitats Natural Pool: - Small - Medium Data Gap
Allocapnia malverna Page 568 winter stonefly Aquatic/Terrestrial Insect Report
Problems Faced Threat: Hydrological alteration Source: Dam Threat: Sedimentation Source: Resource extraction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments An endemic stonefly found only in Arkansas.
Allocapnia malverna Page 569 winter stonefly Aquatic/Terrestrial Insect Report
Allocapnia oribata Class: Insecta Order: Plecoptera Family: Capniidae
Priority Score: 80 out of 100
Population Trend: Unknown
G Rank: G1 — Critically imperiled species S Rank: S1 — Critically imperiled in Arkansas
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Allocapnia oribata Page 570 Bowed Snowfly Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Boston Mountains - White River
Terrestrial Habitats Ozark-Ouachita Riparian Suitable Aquatic Habitats Natural Riffle: - Small - Medium Suitable
Allocapnia oribata Page 571 Bowed Snowfly Aquatic/Terrestrial Insect Report
Problems Faced Threat: Hydrological alteration Source: Dam Threat: Sedimentation Source: Resource extraction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments An endemic stonefly known only from the Middle Fork of the Little Red River in Searcy County Poulton and Stewart 1987).
Allocapnia oribata Page 572 Bowed Snowfly Aquatic/Terrestrial Insect Report
Allocapnia ozarkana Class: Insecta Order: Plecoptera Family: Capniidae
Priority Score: 50 out of 100
Population Trend: Unknown
G Rank: G2 — Imperiled species S Rank: S1? — Critically imperiled in Arkansas (inexact numeric rank)
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Allocapnia ozarkana Page 573 winter stonefly Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Boston Mountains - White River
Terrestrial Habitats Ozark-Ouachita Riparian Suitable West Gulf Coastal Plain Small Stream/River Forest Suitable Aquatic Habitats Natural Pool: - Small - Medium Data Gap Natural Riffle: - Small Suitable
Allocapnia ozarkana Page 574 winter stonefly Aquatic/Terrestrial Insect Report
Problems Faced Threat: Hydrological alteration Source: Dam Threat: Sedimentation Source: Resource extraction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments An endemic stonefly known only from Cannon Creek in Madison County (Ross 1964).
Allocapnia ozarkana Page 575 winter stonefly Aquatic/Terrestrial Insect Report
Allocapnia warreni Class: Insecta Order: Plecoptera Family: Capniidae
Priority Score: 80 out of 100
Population Trend: Unknown
G Rank: GH — Possibly extinct S Rank: S1? — Critically imperiled in Arkansas (inexact numeric rank)
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Allocapnia warreni Page 576 winter stonefly Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Boston Mountains - Arkansas River
Terrestrial Habitats Ozark-Ouachita Riparian Suitable Aquatic Habitats Natural Riffle: - Small Suitable
Allocapnia warreni Page 577 winter stonefly Aquatic/Terrestrial Insect Report
Problems Faced Threat: Hydrological alteration Source: Dam Threat: Sedimentation Source: Resource extraction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments Known only from Clear Creek in the city of Fayetteville. This stonefly is now thought to be extinct after Fayetteville began dumping treated sewage effluent into Clear Creek in 1988. This species has not been recollected since 1962 (Robison and Allen 1995).
Allocapnia warreni Page 578 winter stonefly Aquatic/Terrestrial Insect Report
Alloperla caddo Class: Insecta Order: Plecoptera Family: Chloroperlidae
Priority Score: 50 out of 100
Population Trend: Unknown
G Rank: G2 — Imperiled species S Rank: S1 — Critically imperiled in Arkansas
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Alloperla caddo Page 579 Caddo Sallfly Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Ouachita Mountains - Ouachita River
Aquatic Habitats Natural Riffle: - Small Suitable Problems Faced Threat: Hydrological alteration Source: Dam Threat: Sedimentation Source: Resource extraction Threat: Toxins/contaminants Source: Municipal/Industrial point source
Alloperla caddo Page 580 Caddo Sallfly Aquatic/Terrestrial Insect Report
Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments A recently described species of the Ouachita subregion of Arkansas. Known from fewer than five occurrences, usually small intermittent streams in Garland Co., Perry Co., Scott Co., Arkansas. (Poulton and Stewart 1987, Robison and Allen 1995, Stark 1998)
Alloperla caddo Page 581 Caddo Sallfly Aquatic/Terrestrial Insect Report
Dannella provonshai Class: Insecta Order: Ephemeroptera Family: Ephemerellidae
Priority Score: 31 out of 100
Population Trend: Unknown
G Rank: G3G4 — Vulnerable (uncertain rank) S Rank: S1? — Critically imperiled in Arkansas (inexact numeric rank)
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Dannella provonshai Page 582 mayfly Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Boston Mountains - Arkansas River
Terrestrial Habitats Ozark-Ouachita Riparian Suitable Aquatic Habitats Natural Riffle: - Small Suitable
Dannella provonshai Page 583 mayfly Aquatic/Terrestrial Insect Report
Problems Faced Threat: Hydrological alteration Source: Dam Threat: Sedimentation Source: Resource extraction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments This mayfly is an Arkansas endemic known only from a single locality along the Mulberry River in Johnson County (McCafferty 1977).
Dannella provonshai Page 584 mayfly Aquatic/Terrestrial Insect Report
Gomphus ozarkensis Class: Insecta Order: Odonata Family: Gomphidae
Priority Score: 27 out of 100
Population Trend: Unknown
G Rank: G4 — Apparently secure species S Rank: S1 — Critically imperiled in Arkansas
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Gomphus ozarkensis Page 585 Ozark Clubtail Dragonfly Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Boston Mountains - Arkansas River Ouachita Mountains - Ouachita River South Central Plains - Red River
Terrestrial Habitats Ozark-Ouachita Riparian Optimal West Gulf Coastal Plain Small Stream/River Forest Optimal Aquatic Habitats Natural Pool: - Small - Medium Suitable
Gomphus ozarkensis Page 586 Ozark Clubtail Dragonfly Aquatic/Terrestrial Insect Report
Problems Faced Threat: Hydrological alteration Source: Dam Threat: Sedimentation Source: Resource extraction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments The Ozark clubtail is a regional endemic found in Missouri, Kansas, Oklahoma, and Arkansas.
Gomphus ozarkensis Page 587 Ozark Clubtail Dragonfly Aquatic/Terrestrial Insect Report
Heterosternuta phoebeae Class: Insecta Order: Coleoptera Family: Dysticidae
Priority Score: 19 out of 100
Population Trend: Unknown
G Rank: G? — Uncertain global ranking S Rank: S2 — Imperiled in Arkansas
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Heterosternuta phoebeae Page 588 predaceous diving beetle Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Boston Mountains - White River Ozark Highlands - White River
Terrestrial Habitats Ozark-Ouachita Riparian Optimal Aquatic Habitats Natural Pool: - Small Suitable Natural Riffle: - Small Suitable
Heterosternuta phoebeae Page 589 predaceous diving beetle Aquatic/Terrestrial Insect Report
Problems Faced Threat: Hydrological alteration Source: Dam Threat: Sedimentation Source: Resource extraction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap
Comments An Arkansas endemic beetle with a limited distribution along the Buffalo River watershed.
Heterosternuta phoebeae Page 590 predaceous diving beetle Aquatic/Terrestrial Insect Report
Hydroporus ouachitus Class: Insecta Order: Coleoptera Family: Dytiscidae
Priority Score: 19 out of 100
Population Trend: Unknown
G Rank: G? — Uncertain global ranking S Rank: S2 — Imperiled in Arkansas
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Hydroporus ouachitus Page 591 Ouachita Diving Beetle Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Boston Mountains - Arkansas River Boston Mountains - White River Ouachita Mountains - Red River Ozark Highlands - White River Terrestrial Habitats Ozark-Ouachita Riparian Optimal Aquatic Habitats Natural Pool: - Small Suitable Natural Riffle: - Small Suitable
Hydroporus ouachitus Page 592 Ouachita Diving Beetle Aquatic/Terrestrial Insect Report
Problems Faced Threat: Hydrological alteration Source: Dam Threat: Sedimentation Source: Resource extraction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category Limit activities that impair water quality. Medium Habitat Protection Protect stream habitat from construction of Medium Habitat Protection impoundments. Monitoring Strategies Survey for additional populations and monitor known occurrences
Comments No information available.
Hydroporus ouachitus Page 593 Ouachita Diving Beetle Aquatic/Terrestrial Insect Report
Hydroporus sulphurius Class: Insecta Order: Coleoptera Family: Dytiscidae
Priority Score: 80 out of 100
Population Trend: Unknown
G Rank: G1? — Critically imperiled (inexact numeric rank) S Rank: S1? — Critically imperiled in Arkansas (inexact numeric rank)
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Hydroporus sulphurius Page 594 Sulphur Springs Hydroporus Diving Beetle Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Ozark Highlands - Arkansas River
Terrestrial Habitats Ozark-Ouachita Riparian Optimal Aquatic Habitats Natural Spring Run: - Small Optimal
Hydroporus sulphurius Page 595 Sulphur Springs Hydroporus Diving Beetle Aquatic/Terrestrial Insect Report
Problems Faced Threat: Sedimentation Source: Road construction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments An Arkansas endemic beetle known only from a single natural spring in Benton County (Matta and Wolfe 1979).
Hydroporus sulphurius Page 596 Sulphur Springs Hydroporus Diving Beetle Aquatic/Terrestrial Insect Report
Isoperla szczytkoi Class: Insecta Order: Plecoptera Family: Perlodidae
Priority Score: 80 out of 100
Population Trend: Unknown
G Rank: G1 — Critically imperiled species S Rank: S1 — Critically imperiled in Arkansas
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Isoperla szczytkoi Page 597 Magazine stripetail Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Arkansas Valley - Arkansas River
Terrestrial Habitats Arkansas Valley Prairie and Woodland Suitable Aquatic Habitats Natural Other: - Small Suitable Problems Faced Threat: Sedimentation Source: Forestry activities
Isoperla szczytkoi Page 598 Magazine stripetail Aquatic/Terrestrial Insect Report
Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments This stonefly is endemic to Arkansas and is only known from Gutter Rock Creek on Magazine Mountain in Logan County (Poulton and Stewart 1987).
Isoperla szczytkoi Page 599 Magazine stripetail Aquatic/Terrestrial Insect Report
Leuctra paleo Class: Insecta Order: Plecoptera Family: Leuctridae
Priority Score: 50 out of 100
Population Trend: Unknown
G Rank: G2 — Imperiled species S Rank: S1 — Critically imperiled in Arkansas
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Leuctra paleo Page 600 stonefly Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Ouachita Mountains - Ouachita River
Problems Faced Threat: Sedimentation Source: Resource extraction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Leuctra paleo Page 601 stonefly Aquatic/Terrestrial Insect Report
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments Known from two streams in Columbia Co., and Dallas Co., Arkansas. (Robison and Allen 1995, Stark 1998)
Leuctra paleo Page 602 stonefly Aquatic/Terrestrial Insect Report
Ochrotrichia contorta Class: Insecta Order: Trichoptera Family: Hydroptilidae
Priority Score: 8 out of 100
Population Trend: Unknown
G Rank: G? — Uncertain global ranking S Rank: S? — Uncertain ranking in Arkansas
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Ochrotrichia contorta Page 603 contorted ochrotrichian microcaddisfly Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Ozark Highlands - Arkansas River
Terrestrial Habitats Ozark-Ouachita Riparian Suitable Aquatic Habitats Natural Pool: - Small - Medium Data Gap Natural Riffle: - Small - Medium Data Gap
Ochrotrichia contorta Page 604 contorted ochrotrichian microcaddisfly Aquatic/Terrestrial Insect Report
Problems Faced Threat: Sedimentation Source: Resource extraction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments A regional endemic insect known only from sites in Arkansas and Missouri (Robison and Allen 1995).
Ochrotrichia contorta Page 605 contorted ochrotrichian microcaddisfly Aquatic/Terrestrial Insect Report
Ochrotrichia robisoni Class: Insecta Order: Trichoptera Family: Hydroptilidae
Priority Score: 23 out of 100
Population Trend: Unknown
G Rank: G? — Uncertain global ranking S Rank: S1 — Critically imperiled in Arkansas
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Ochrotrichia robisoni Page 606 microcaddisfly Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Ouachita Mountains - Arkansas River
Terrestrial Habitats Ozark-Ouachita Riparian Suitable Aquatic Habitats Natural Pool: - Small Suitable Natural Riffle: - Small Suitable
Ochrotrichia robisoni Page 607 microcaddisfly Aquatic/Terrestrial Insect Report
Problems Faced Threat: Sedimentation Source: Road construction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments An endemic caddisfly known only from Bear Creek in Perry County (Frazer and Harris 1991).
Ochrotrichia robisoni Page 608 microcaddisfly Aquatic/Terrestrial Insect Report
Ophiogomphus westfalli Class: Insecta Order: Odonata Family: Gomphidae
Priority Score: 32 out of 100
Population Trend: Unknown
G Rank: G3 — Vulnerable species S Rank: S1S2 — Critically imperiled in Arkansas (uncertain rank)
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Ophiogomphus westfalli Page 609 Ozark Snaketail Dragonfly Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Ouachita Mountains - Ouachita River Ouachita Mountains - Red River Ozark Highlands - White River
Terrestrial Habitats Ozark-Ouachita Riparian Obligate Aquatic Habitats Natural Pool: - Small - Medium Suitable
Ophiogomphus westfalli Page 610 Ozark Snaketail Dragonfly Aquatic/Terrestrial Insect Report
Problems Faced Threat: Sedimentation Source: Recreation Threat: Sedimentation Source: Resource extraction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments A regionally endemic dragonfly found in Arkansas, Kansas and Missouri (Cook and Daigle 1985).
Ophiogomphus westfalli Page 611 Ozark Snaketail Dragonfly Aquatic/Terrestrial Insect Report
Paduniella nearctica ! Class: Insecta Order: Trichoptera Family: Psychomyiidae
Priority Score: 80 out of 100
Population Trend: Unknown
G Rank: G1? — Critically imperiled (inexact numeric rank) S Rank: S1? — Critically imperiled in Arkansas (inexact numeric rank)
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Paduniella nearctica Page 612 Nearctic paduniellan caddisfly Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Arkansas Valley - Arkansas River Boston Mountains - Arkansas River
Terrestrial Habitats Ozark-Ouachita Riparian Suitable Aquatic Habitats Natural Riffle: - Small Suitable
Paduniella nearctica Page 613 Nearctic paduniellan caddisfly Aquatic/Terrestrial Insect Report
Problems Faced Threat: Sedimentation Source: Resource extraction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments An endemic caddisfly known only from sites in Johnson and Washington Counties (Flint 1967).
Paduniella nearctica Page 614 Nearctic paduniellan caddisfly Aquatic/Terrestrial Insect Report
Paraleptophlebia calcarica Class: Insecta Order: Ephemeroptera Family: Leptophlebiidae
Priority Score: 65 out of 100
Population Trend: Unknown
G Rank: G1G2 — Critically imperiled (uncertain rank) S Rank: S1? — Critically imperiled in Arkansas (inexact numeric rank)
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Paraleptophlebia calcarica Page 615 mayfly Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Arkansas Valley - Arkansas River
Terrestrial Habitats Arkansas Valley Prairie and Woodland Suitable Aquatic Habitats Natural Other: - Small Suitable Problems Faced Threat: Sedimentation Source: Forestry activities
Paraleptophlebia calcarica Page 616 mayfly Aquatic/Terrestrial Insect Report
Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments An endemic mayfly known only from Gutter Rock Creek on Magazine Mountain in Logan County (Robotham Allen 1988).
Paraleptophlebia calcarica Page 617 mayfly Aquatic/Terrestrial Insect Report
Paucicalcaria ozarkensis Class: Insecta Order: Trichoptera Family: Hydroptilidae
Priority Score: 23 out of 100
Population Trend: Unknown
G Rank: G? — Uncertain global ranking S Rank: S1 — Critically imperiled in Arkansas
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Paucicalcaria ozarkensis Page 618 microcaddisfly Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Arkansas Valley - Arkansas River
Terrestrial Habitats Arkansas Valley Prairie and Woodland Suitable Aquatic Habitats Natural Other: - Small Suitable Problems Faced Threat: Sedimentation Source: Forestry activities
Paucicalcaria ozarkensis Page 619 microcaddisfly Aquatic/Terrestrial Insect Report
Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments An endemic microcaddisfly known only from Gutter Rock Creek on Magazine Mountain in Logan County (Mathis and Bowles 1989).
Paucicalcaria ozarkensis Page 620 microcaddisfly Aquatic/Terrestrial Insect Report
Pentacora ouachita Class: Insecta Order: Heteroptera Family: Saldidae
Priority Score: 23 out of 100
Population Trend: Unknown
G Rank: G? — Uncertain global ranking S Rank: S1 — Critically imperiled in Arkansas
Distribution Ecoregions where the species occurs:
Ozark Highlands
Mississippi Valley Loess Plains
Boston Mountains
Mississippi Alluvial Plain
Arkansas Valley
South Central Plains
Ouachita Mountains
Element Occurrence Records
Taxa Team and reviewers ANHC Mr. Michael Warriner, AGFC Mr. Brian Wagner
Pentacora ouachita Page 621 Ouachita Shore Bug Aquatic/Terrestrial Insect Report
Ecobasins where this species occurs
Potential Terrestrial Habitat
Ecobasins Ouachita Mountains - Ouachita River Ouachita Mountains - Red River
Problems Faced Threat: Sedimentation Source: Resource extraction Threat: Toxins/contaminants Source: Municipal/Industrial point source Data Gaps/Research Needs Need to obtain baseline information on distribution and population status.
Pentacora ouachita Page 622 Ouachita Shore Bug Aquatic/Terrestrial Insect Report
Conservation Actions Importance Category More data is needed to determine conservation actions. Medium Data Gap Monitoring Strategies Surveys to locate additional populations and protection of stream habitats
Comments This insect is endemic to the Ouachita Mountains of Arkansas (Polhemus 1993).
Pentacora ouachita Page 623 Ouachita Shore Bug