Holsinger's Cave Spider
Nesticus holsingeri Gertsch, 1984
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Subphylum | Chelicerata |
| Class | Arachnida |
| Order | Araneae |
| Family | Nesticidae |
| Genus | Nesticus |
| Species | Nesticus holsingeri Gertsch, 1984 |
Description
Diagnostic characters
- Ecological class
- Troglobiont
- Realm
- Terrestrial
- Troglomorphy
- Troglomorphic
Distribution
Type locality
Pond Cave, Scott Co. VA
Range
Known from three counties in Virginia in the Appalachians karst region.
Continent
North America
Country
United States
States and provinces
Virginia
Counties
- Virginia
- Lee, Scott, Wise
Karst regions
Appalachians
Genetics
Molecular resources
| Marker | Molecule | Sequences | Length | Exemplar |
|---|---|---|---|---|
| COI | mitochondrial | 6 | 889-1076 bp | OP179651.1 |
| 16S | mitochondrial | 4 | 437-584 bp | KY015989.1 |
| 28S | nuclear | 3 | 417-2192 bp | OP162717.1 |
| 18S | nuclear | 2 | 775-1715 bp | OP162674.1 |
| tRNA | mitochondrial | 1 | 387-387 bp | U40513.1 |
16 sequences, retrieved 23 August 2026. Counts change as sequences are deposited. Search GenBank.
Download all 16 sequence records (CSV) Accession, marker, molecule type, length, GenBank definition and a direct link.
Specimens
Collections holding material
| Institution | Lots |
|---|---|
| San Diego State University | 4 |
4 cataloged lots in 1 collection. Compiled from GBIF and not an exhaustive census: many collections are not yet digitised, and holdings are added continually. Search GBIF for specimen records.
Download all 4 specimen records (CSV) Institution, catalog number, type status and preparation. No coordinates.
Conservation and management
NatureServe
G3G4 Vulnerable to Apparently Secure
Global rank last reviewed 21 August 2002.
Subnational ranks
- Virginia
- S3 Vulnerable
Ranks looked up 23 August 2026. Conservation status changes, and a rank here is as current as that date and no more.
State and federal status
Not listed under the U.S. Endangered Species Act.
Other resources
References
- Gertsch, W.J. 1984. The spider family Nesticidae (Araneae) in North America, Central America and the West Indies. Texas Memorial Museum Bulletin 31: 1–91.
- Hedin, M.C. 1997. Speciational history in a diverse clade of habitat-specialized spiders (Araneae: Nesticidae: Nesticus): inferences from geographic-based sampling. Evolution 51: 1929–1945. doi:10.1111/j.1558-5646.1997.tb05115.x
This account was last revised 28 August 2026. Conservation ranks were looked up 23 August 2026.
How to cite this account
Data sources and funding are listed in the Acknowledgments.
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