Pseudanophthalmus troglodytes - Krekeler, 1973
Louisville Cave Beetle
Taxonomic Status: Accepted
Related ITIS Name(s): Pseudanophthalmus troglodytes Krekeler (TSN 110196)
Unique Identifier: ELEMENT_GLOBAL.2.121070
Element Code: IICOL4EA50
Informal Taxonomy: Animals, Invertebrates - Insects - Beetles - Other Beetles
 
Kingdom Phylum Class Order Family Genus
Animalia Mandibulata Insecta Coleoptera Carabidae Pseudanophthalmus
Genus Size: D - Medium to large genus (21+ species)
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Concept Reference
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Concept Reference: Krekeler, C. H. 1973. Cave beetles of the genus Pseudanophthalmus (Coleoptera, Carabidae) from the Kentucky bluegrass and vicinity. Fieldiana (Zoology) 62(4): 25-83.
Concept Reference Code: A73KRE01EHUS
Name Used in Concept Reference: Pseudanophthalmus troglodytes
Taxonomic Comments: barri group.
Conservation Status
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NatureServe Status

Global Status: G1
Global Status Last Reviewed: 08Jun2007
Global Status Last Changed: 23Nov2005
Rounded Global Status: G1 - Critically Imperiled
Reasons: Apparently extant at at least one of two historic sites. A few other potential habitats occur but searches so far have been mostly negative. Julian Lewis has found this species recently (email of Sept. 12 2006 to David Withers, Larry Master and Nicole Capuano) under metropoliatan Lousiville.
Nation: United States
National Status: N1N2 (21Aug2002)

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 Kentucky (S1)

Other Statuses

U.S. Fish & Wildlife Service Lead Region: R4 - Southeast

NatureServe Global Conservation Status Factors

Range Extent: <100 square km (less than about 40 square miles)
Range Extent Comments: Originally two caves in Jefferson Co., KY, possibly a few others in metroploitan Louisville. Possibly extirpated from one in a subdivision but although the entrance has been closed, the species probably still occurs there (Julian Lewis email Sept.12 2006 to David Withers, Larry Master and Nicole Capuano).

Number of Occurrences: 1 - 5

Population Size: Unknown

Number of Occurrences with Good Viability/Integrity: Unknown

Overall Threat Impact: Unknown
Overall Threat Impact Comments: Besides intermittently high levels of carbon dioxide thought to results from polluted water, the usual threats for most cave beetles: trash accumulation, vandalism, pollutants are at least potential, especially since the caves are in the Louisvulle metropoltian area. Uncertain what impact if any the closing of the entrance to the Type Locality is having. See listing Petition from Center for Biological Diversity and references therein. Anyone involved with protection and management cave systems or any kind of cave fauna should consult Elliott (1998) for a thorough review of the many kinds and sources of threats from the most obvious to less obvious factors like tobacco smoke and fumes from welding in gate construction. Explanations of why certain contaminants and changes such as alterations to entrances can seriously impact or eradicate cave fauna are useful. There is also an extensive bibliography.

Short-term Trend: Unknown

Long-term Trend: Unknown

Other NatureServe Conservation Status Information

Distribution
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Global Range: (<100 square km (less than about 40 square miles)) Originally two caves in Jefferson Co., KY, possibly a few others in metroploitan Louisville. Possibly extirpated from one in a subdivision but although the entrance has been closed, the species probably still occurs there (Julian Lewis email Sept.12 2006 to David Withers, Larry Master and Nicole Capuano).

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.
Color legend for Distribution Map
Endemism: endemic to a single state or province

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

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
KY Jefferson (21111)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
05 Silver-Little Kentucky (05140101)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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Non-Migrant: N
Locally Migrant: N
Long Distance Migrant: N
Subterranean Habitat(s): Subterrestrial
Special Habitat Factors: Subterranean obligate
Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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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: 08Jun2007
NatureServe Conservation Status Factors Author: DFS

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

References
Help
  • Barr, T. C., Jr. 2004. A classification and checklist of the genus Pseudanophthalmus Jeannel: (Coleoptera, Carabidae, Trechinae). Special Publication of the Virginia Museum of Natural History No. 11. Virginia Museum of Natural History, Martinsville, VA. 52 pp.

  • Barr, T.C., Jr. 1994. Kentucky cave beetles: a progress report. Submitted to the Kentucky Department of Fish and Wildlife Resources.

  • Elliott, William R. 1998. Conservation of the North American cave and karst biota. Elsevier Science Subterranean Biota (Ecosystems of the World Series). (Available on line.)

  • Krekeler, C. H. 1973. Cave beetles of the genus Pseudanophthalmus (Coleoptera, Carabidae) from the Kentucky bluegrass and vicinity. Fieldiana (Zoology) 62(4): 25-83.

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