Aquatic/Terrestrial 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: Family:

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 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