Floridobolus penneri - Causey, 1957
Florida Scrub Millipede
Taxonomic Status: Accepted
Related ITIS Name(s): Floridobolus penneri Causey, 1957 (TSN 569678)
Unique Identifier: ELEMENT_GLOBAL.23.30672
Element Code: IIDIP83010
Informal Taxonomy: Animals, Invertebrates - Millipedes and Centipedes
 
Kingdom Phylum Class Order Family Genus
Animalia Mandibulata Diplopoda Spirobolida Floridobolidae Floridobolus
Genus Size: A - Monotypic genus
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Concept Reference
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Concept Reference: Hoffman, R. L. 1999. Checklist of the millipeds of North and Middle America. Special Publication No. 8., Virginia Museum of Natural History, Martinsville, Virginia. 584 pp.
Concept Reference Code: B99HOF01EHUS
Name Used in Concept Reference: Floridobolus penneri
Conservation Status
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NatureServe Status

Global Status: G1G2
Global Status Last Reviewed: 11Jul2011
Global Status Last Changed: 30Apr2009
Rounded Global Status: G1 - Critically Imperiled
Reasons: This species appears to be restricted to scrub habitat, and is most abundant in rosemary scrub (Sattman 2006), in a very limited geographical area. It may be relatively long-lived and take years to mature (Deyrup, 2011).Very few populations are known. At least 85% of scrub habitat has been lost in this part of Florida since pre-settlement times (Turner 2006).
Nation: United States
National Status: N1N2 (30Apr2009)

U.S. & Canada State/Province Status
Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.
United States Florida (S1S2)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent: 100-1000 square km (about 40-400 square miles)
Range Extent Comments: This species occurs on the Lake Wales Ridge in Highlands and Polk counties, Florida, USA.

Area of Occupancy: 6-125 4-km2 grid cells
Area of Occupancy Comments:  

Number of Occurrences: 1 - 20

Population Size: Unknown

Number of Occurrences with Good Viability/Integrity: Unknown

Short-term Trend: Decline of 10-50%
Short-term Trend Comments: Scrub habitat is being lost, primarily to citrus and development, in this part of Florida.

Long-term Trend: Decline of >70%
Long-term Trend Comments: At least 85% of scrub habitat has been lost in this part of Florida since pre-settlement times (Turner 2006).

Intrinsic Vulnerability: Unknown

Environmental Specificity: Very narrow to narrow.
Environmental Specificity Comments: This species is restricted to scrub habitat and is most abundant in rosemary scrub, which makes up only 5% of scrub habitat (Sattman 2006).

Other NatureServe Conservation Status Information

Inventory Needs: Surveys for the presence and abundance of this species in suitable habitat in and around its known range are needed.

Distribution
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Global Range: (100-1000 square km (about 40-400 square miles)) This species occurs on the Lake Wales Ridge in Highlands and Polk counties, Florida, USA.

U.S. States and Canadian Provinces

Due to latency between updates made in state, provincial or other NatureServe Network databases and when they appear on NatureServe Explorer, for state or provincial information you may wish to contact the data steward in your jurisdiction to obtain the most current data. Please refer to our Distribution Data Sources to find contact information for your jurisdiction.

Map unavailable!:
Distribution data for U.S. states and Canadian provinces is known to be incomplete or has not been reviewed for this taxon.
Endemism: endemic to a single state or province

U.S. & Canada State/Province Distribution
United States FL

Range Map
No map available.

Ecology & Life History
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Habitat Type: Terrestrial
Non-Migrant: N
Locally Migrant: N
Long Distance Migrant: N
Terrestrial Habitat(s): Shrubland/chaparral
Special Habitat Factors: Burrowing in or using soil
Habitat Comments: A habitat preference in Florida scrub is not reported, but the species has been collected only in scrubby areas of both Highlands and Polk Counties, Florida (Deyrup and Franz, 1994). Sattman (2006) found, contrary to former opinion that the species preferred scrubby flatwoods vegetation, it actually prefers xeric rosemary balds (occurs on somewhat higher elevations than scrubby flatwoods) in the Central Highlands region of peninsular Florida.
Economic Attributes Not yet assessed
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Management Summary
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Biological Research Needs: Research on its life history and specific requirements are needed.
Population/Occurrence Delineation Not yet assessed
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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: 11Jul2011
NatureServe Conservation Status Factors Author: Almquist, D.T.
Element Ecology & Life History Edition Date: 26Oct2010
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
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  • Deyrup, M. and R. Franz. 1994. Rare and Endangered Biota of Florida, Volume IV. Invertebrates. University Press of Florida: Gainesville, Florida. 798 pp.

  • Florida Natural Areas Inventory. Unpublished. Concept reference for which no suitable reference which describes the circumscription has been recorded; to be used as a placeholder until such a citation is identified.

  • Hoffman, R. L. 1999. Checklist of the millipeds of North and Middle America. Special Publication No. 8., Virginia Museum of Natural History, Martinsville, Virginia. 584 pp.

  • Sattman, D.A. 2006.The biology of the Florida scrub endemic millipede: Floridobolus penneri. M.A. Thesis, University of Missouri-Columbia. August 2006. 94 pp.

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