''Wanlessia'' is a

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...

of Asian

jumping spiders Jumping spiders are a group of spiders that constitute the family Salticidae. As of 2019, this family contained over 600 described genera and over 6,000 described species, making it the largest family of spiders at 13% of all species. Jumping spi ...

that was first described by D. P. Wijesinghe in 1992. it contains two species, both endemic to eastern Asia: '' W. denticulata'' and '' W. sedgwicki''. It is related to ''

Portia Portia may refer to: Biology * ''Portia'' (spider), a genus of jumping spiders *'' Anaea troglodyta'' or Portia, a brush-footed butterfly *Portia tree, a plant native to Polynesia Medication A form of birth control made of ethinylestradiol/lev ...

'', and is the only member of the subfamily Spartaeinae with well-developed

palpal Pedipalps (commonly shortened to palps or palpi) are the second pair of appendages of chelicerates – a group of arthropods including spiders, scorpions, horseshoe crabs, and sea spiders. The pedipalps are lateral to the chelicerae ("jaws") an ...

conductors. Both species only have descriptions for males. It is named in honor of arachnologist

Fred R. Wanless Fred may refer to: People * Fred (name), including a list of people and characters with the name Mononym * Fred (cartoonist) (1931–2013), pen name of Fred Othon Aristidès, French * Fred (footballer, born 1949) (1949–2022), Frederico Rodr ...

, who described more than a dozen salticid genera from 1970 to 1990. ''Wanlessia sedgwicki'' males are about long. Both the

carapace A carapace is a Dorsum (biology), dorsal (upper) section of the exoskeleton or shell in a number of animal groups, including arthropods, such as crustaceans and arachnids, as well as vertebrates, such as turtles and tortoises. In turtles and tor ...

and legs are yellowish-brown, though the carapace has irregular black markings and a lighter area around the

fovea Fovea () (Latin for "pit"; plural foveae ) is a term in anatomy. It refers to a pit or depression in a structure. Human anatomy *Fovea centralis of the retina * Fovea buccalis or Dimple * Fovea of the femoral head * Trochlear fovea of the fr ...

. The

opisthosoma The opisthosoma is the posterior part of the body in some arthropods, behind the prosoma (cephalothorax). It is a distinctive feature of the subphylum Chelicerata (arachnids, horseshoe crabs and others). Although it is similar in most respects to a ...

is yellow to white with similar markings near the rear, and is covered with amber-grey hairs. The legs have black rings on some segments.

References

External links

* Salticidae.org
Diagnostic drawings of ''W. denticulata''
Salticidae Salticidae genera Spiders of Asia {{Jumping-spider-stub