''Loxosceles speluncarum'' is a species of venomous

recluse spider The recluse spiders (''Loxosceles'' (), also known as brown spiders, fiddle-backs, violin spiders, and reapers, is a genus of spiders that was first described by R. T. Lowe in 1832. They are venomous spiders known for their bite, which sometimes ...

in the family Sicariidae. It is native to South Africa. It resides in caves, and is distinct from the species ''L. spinulosa''. This species of recluse spider features a black violin shape on its back. Specimens in captivity from the Lebata district bear distinct black markings down the dorsal length of their abdomen. Due to the distance between habitats where this species of spider is found, the influence of the mechanism of

gene flow In population genetics, gene flow (also known as gene migration or geneflow and allele flow) is the transfer of genetic material from one population to another. If the rate of gene flow is high enough, then two populations will have equivalent a ...

is unknown.

References

Spiders of South Africa Sicariidae Spiders described in 1835 {{Araneomorphae-stub