''Chrysilla guineensis'' is a species of

jumping spider Jumping spiders are a group of spiders that constitute the family (biology), family Salticidae. , this family contained over 600 species description, described genus, genera and over 6,000 described species, making it the largest family of spide ...

. It is

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

Guinea Guinea, officially the Republic of Guinea, is a coastal country in West Africa. It borders the Atlantic Ocean to the west, Guinea-Bissau to the northwest, Senegal to the north, Mali to the northeast, Côte d'Ivoire to the southeast, and Sier ...

. It was described in 2013 based on specimens collected from the Nimba Mountains.

Description

''Chrysilla guineensis'' is a medium-sized spider with elongated body. In the male, the

prosoma The cephalothorax, also called prosoma in some groups, is a tagma of various arthropods, comprising the head and the thorax fused together, as distinct from the abdomen behind. (The terms ''prosoma'' and ''opisthosoma'' are equivalent to ''cepha ...

(cephalothorax) measures and 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 ...

(abdomen) measures . The carapace is oval, slightly flattened, and brown. The abdomen is elongated, narrower than carapace, and greyish brown with some yellowish patches. The first pair is light brown and longer and thicker than the other pairs, which are yellow. Females measure (prosoma) and (abdomen). The carapace is oval, light brown, and less hairy than in the male. The abdomen is ovoid and tapering (not elongated), and yellowish grey with darker spots, turning brownish posteriorly, or sometimes, brownish grey with traces of lighter spots. The legs are light yellow. ''Chrysilla guineensis'' is best distinguished from the other closely related species by the structure of genitalia.

References

{{Taxonbar, from=Q21308899 Salticidae Spiders of Africa Arthropods of Guinea Endemic fauna of Guinea Spiders described in 2013 Taxa named by Wanda Wesołowska