Chimarra florida - Ross, 1944
Floridian Finger-net Caddisfly
Taxonomic Status: Accepted
Related ITIS Name(s): Chimarra florida Ross, 1944 (TSN 115283)
Unique Identifier: ELEMENT_GLOBAL.2.113249
Element Code: IITRI03010
Informal Taxonomy: Animals, Invertebrates - Insects - Caddisflies
 
Kingdom Phylum Class Order Family Genus
Animalia Mandibulata Insecta Trichoptera Philopotamidae Chimarra
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Concept Reference
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Concept Reference: Clemson University Department of Entomology (J.C. Morse, ed.). 2002. Last Updated 5 September 2006. Trichoptera World Checklist. Online. Available: http://entweb.clemson.edu/database/trichopt/index.htm.
Concept Reference Code: N02CLE01EHUS
Name Used in Concept Reference: Chimarra florida
Taxonomic Comments: Described as morphologically distinct from other CHIMARRA by Ross. Immature stages remain unknown.
Conservation Status
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NatureServe Status

Global Status: G4
Global Status Last Reviewed: 06Mar2009
Global Status Last Changed: 23Aug2005
Rounded Global Status: G4 - Apparently Secure
Reasons: From Alabama north to New Jersey but rare in most states (locally abundant in Mississippi). Chimarra florida is a widespread and fairly common species of healthy streams throughout much of Florida.
Nation: United States
National Status: N4 (23Aug2005)

U.S. & Canada State/Province Status
United States Alabama (S1S2), Florida (S3S4), Georgia (SNR), Louisiana (SNR), Mississippi (SNR), New Jersey (SNR), North Carolina (S3), South Carolina (SNR)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent: 5000-20,000 square km (about 2000-8000 square miles)
Range Extent Comments: Chimarra florida is a widespread and fairly common species of healthy streams throughout much of Florida, central Georgia (one locality), Mississippi (20+ localities), and Louisiana (one locality), South Carolina, and New Jersey.

Number of Occurrences: 81 - 300
Number of Occurrences Comments: Historically, three occurrences were known in western Florida (two in Walton County and one in Santa Rosa/Okaloosa Counties) and one in Central Georgia. Unknown number of occurrences in other states. Recently Rasmussen (2004) found this species at 12 stations (173 specimens) in northern Florida in and around Eglin Air Force Base. Lago et al. (1982) listed it as locally abundant in the Mississippi coastal plain (15 sites). Rasmussen et al. (2008) documented 22 new Florida sites making complete Florida distribution the Apalachicola, Blackwater, Choctawhatchee, Escambia, Kissimmee, Manatee, Ochlockonee, Oklawaha, Perdido, St. Johns (upper and lower), St. Marks, St. Marys, Suwannee (upper) and Yellow River basins and Choctawhatchee Bay, East Coast (upper), and Pensacola Bay in Alachua, Baker, Bay, Calhoun, Clay, Escambia, Gladsden, Hamilton, Highlands, Lake, Liberty, Manatee, Okaloosa, Osceola, Polk, Putnam, Santa Rosa, Seminole, Volusia, Walkulla, Walton, and Washington Cos. Hicks and Haynes (2000) documented it in the Black Belt Prairie region of west central Alabama.

Population Size: 1000 - 2500 individuals

Overall Threat Impact Comments: Habitat type prone to pollution, siltation, and other forms of environmental degradation.

Short-term Trend: Relatively Stable (<=10% change)

Long-term Trend: Decline of <30% to increase of 25%

Other NatureServe Conservation Status Information

Inventory Needs: Survey for additional EOs and estimate relative abundance and density at known EOs.

Protection Needs: Protect as many known EOs as possible, so as to preserve any diversity in habitat.

Distribution
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Global Range: (5000-20,000 square km (about 2000-8000 square miles)) Chimarra florida is a widespread and fairly common species of healthy streams throughout much of Florida, central Georgia (one locality), Mississippi (20+ localities), and Louisiana (one locality), South Carolina, and New Jersey.

U.S. States and Canadian Provinces
Color legend for Distribution Map
Endemism: endemic to a single nation

U.S. & Canada State/Province Distribution
United States AL, FL, GA, LA, MS, NC, NJ, SC

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
FL Alachua (12001), Baker (12003), Bay (12005), Calhoun (12013), Clay (12019), Columbia (12023), Escambia (12033), Gadsden (12039), Hamilton (12047), Lake (12069), Liberty (12077), Manatee (12081), Okaloosa (12091), Osceola (12097), Polk (12105), Putnam (12107), Santa Rosa (12113), Volusia (12127), Wakulla (12129), Walton (12131), Washington (12133)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
03 St. Marys (03070204)+, Upper St. Johns (03080101)+, Oklawaha (03080102)+, Lower St. Johns (03080103)+, Daytona - St. Augustine (03080201)+, Kissimmee (03090101)+, Manatee (03100202)+, Upper Suwannee (03110201)+, Santa Fe (03110206)+, Apalachee Bay-St. Marks (03120001)+, Lower Ochlockonee (03120003)+, Apalachicola (03130011)+, Choctawhatchee Bay (03140102)+, Yellow (03140103)+, Blackwater (03140104)+, Pensacola Bay (03140105)+, Perdido (03140106)+, Lower Choctawhatchee (03140203)+, Escambia (03140305)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Habitat Type: Freshwater
Non-Migrant: N
Locally Migrant: N
Long Distance Migrant: N
Riverine Habitat(s): CREEK, MEDIUM RIVER, SPRING/SPRING BROOK
Habitat Comments: Spring-fed blackwater streams, softwater streams, seepage/steephead streams (Rasmussen et al., 2008).
Economic Attributes Not yet assessed
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Management Summary
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Biological Research Needs: Immature stages remain unknown.
Population/Occurrence Delineation
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Group Name: Caddisflies

Use Class: Not applicable
Minimum Criteria for an Occurrence: Occurrences are based on some evidence of historical presence or current presence of single or multiple specimens (including larvae or adults) at a given location with potentially recurring existence. Evidence is derived from reliable published observation or collection data; unpublished, though documented (i.e. government or agency reports, web sites, etc.) observation or collection data; or museum specimen information. Sight records and photographs, though valuable, should not be accepted as the basis for new element occurrences as identification of caddisflies often requires close examination of the genitalia of adult males. Instead, such records should be utilized to further study an area to verify the element occurrence in that area.
Separation Distance for Unsuitable Habitat: 5 km
Separation Distance for Suitable Habitat: 5 km
Alternate Separation Procedure: None
Separation Justification: Wiggins and Mackay (1978) found caddisfly distributions separated by trophic category as related to stream resource availability in Eastern streams; and to a lesser degree in Western streams. Shredders predominated in upstream habitats in relation to grazers and collectors, but the proportion of shredders became smaller downstream. Groups have also been separated ecologically into lotic-erosional (running water riffles), lotic-depositional (running water pools and margins), lentic-limnetic (standing water), lentic-littoral (standing water, shallow shore areas), lentic-profundal (standing water, basin), and beach zone (Wallace and Anderson, 1996). For the purpose of occurrence separation, however, the same genera or species often occur across habitats making such habitat classifications impractical.

Regardless of habitat, caddisfly adults tend to remain somewhat near the emergence site (LaFontaine, 1981; Collier and Smith, 1998) where oviposition occurs. Dispersal away from emergence sites tends to be negatively correlated with density of vegetation along the dispersal corridor; caddisflies tend to disperse shorter distances in dense forest compared with more open vegetation (Collier and Smith, 1998). Although dispersal flights are common especially from temporary habitats, such flights are relatively short and only occur immediately following emergence (unlike some Coleoptera and Hemiptera that also disperse additionally in autumn to overwinter) (Cummins and Merritt, 1996). Kovats et al. (1996) estimated that 85% of all adult Hydropsychidae were collected within 100 m of the water's edge with most of the remainder collected within 250 m, although significant, though small, numbers were collected up to 1845 m inland (esp. for Hexagenia). It is worth noting that in some instances, large river caddisflies may disperse a distance greater than five km from the river, suggesting long distance dispersal (Huryn and Harris, 2000; Kovats et al., 1996). Kovats et al. (1996) suggested this longer distance dispersal is likely accidental. Separation distances (unsuitable and suitable) have therefore been set at five km.

Date: 18Oct2004
Author: Cordeiro, J.
Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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NatureServe Conservation Status Factors Edition Date: 06Mar2009
NatureServe Conservation Status Factors Author: Cordeiro, J. (2009); Golden, W. C. III, and D. R. Jackson (1998)
Element Ecology & Life History Edition Date: 06Mar2009
Element Ecology & Life History Author(s): Cordeiro, J.

Zoological data developed by NatureServe and its network of natural heritage programs (see Local Programs) and other contributors and cooperators (see Sources).

References
Help
  • Clemson University Department of Entomology (J.C. Morse, ed.). 2002. Last Updated 5 September 2006. Trichoptera World Checklist. Online. Available: http://entweb.clemson.edu/database/trichopt/index.htm.

  • Deyrup, M., and R. Franz. 1994. Rare and Endangered Biota of Florida, Volume IV: Invertebrates. University Press of Florida, Gainesville. 798 pp.

  • Florida Natural Areas Inventory. No date. Natural Heritage Database. Florida Natural Areas Inventory. Tallahassee, FL.

  • Franz, R. (Ed.). 1982. Rare and Endangered Biota of Florida, Volume 6: Invertebrates. Univ. Presses of Florida, Gainesville. 131 pp.

  • Franz, R. (ed.) 1982. Rare and Endangered Biota of Florida: Volume Six: Invertebrates. University Press of Florida: Gainesville, Florida. 131 pp.

  • Hicks, M.B. and C.G. Haynes. 2000b. An annotated list of Trichoptera in the Black Belt Prairie region of west central Alabama. Entomological News 111(3):215-222.

  • Lago, P.K., R.W. Holzenthal, and S.C. Harris. 1982. An annotated checklist of the caddisflies (Trichoptera) of Mississippi and southeastern Louisiana. Part I: introduction and Hydropsychoidea. Proceedings of the Entomological Society of Washington 84(3):495-508

  • Lenat, D.R., D.E. Ruiter, C.R. Parker, J.L. Robinson, S.R. Beaty, and O.S. Flint, Jr. 2010. Caddisfly (Trichoptera) records for North Carolina. Southeastern Naturalist 9(2):201-236.

  • Rasmussen, A. K. 2006. Caddisfly (Insecta: Trichoptera) records from the Florida A&M University database.

  • Rasmussen, A. K., D. R. Denson and S. C. Harris. 2008. Status of caddisflies in greatest conservation need in Florida. Final report. Florida Fish and Wildlife Conservation Commission Agreement # 06009. 56 pp.

  • Rasmussen, A.K. 2004. Species diversity and ecology of Trichoptera (caddisflies) and Plecoptera (stoneflies) in ravine ecosystems of northern Florida. Unpublished PhD. Dissertation, University of Florida. 130 pp.

  • Rasmussen, A.K., D.R. Denson, and S.C. Harris. 2008. Status of caddisflies (Insecta: Trichoptera) in greatest conservation need in Florida. Final report to the Florida Fish and Wildlife Conservation Commission, Florida, Agreement 06009, June 1, 2008. 56 pp.

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