Rhauculus

Rhauculus is a genus of harvestmen in the family Cosmetidae with six described species (as of early 2025).^[1][2] All species are from South America.^[1][3][4]

Rhauculus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Class:	Arachnida
Order:	Opiliones
Superfamily:	Gonyleptoidea
Family:	Cosmetidae
Subfamily:	Metergininae
Genus:	Rhauculus Roewer, 1928
Type species
Rhauculus insignitus Roewer, 1928
Diversity
6 spp. (see text)
Synonyms
None

Description

The genus Rhauculus was described by Roewer, 1928 with the type species Rhaucoides ornatus (Roewer, 1928).

Species

These species belong to the genus Rhaucoides:

• Rhauculus conspicuus (Roewer, 1928) – Ecuador
• Rhauculus insignitus Roewer, 1928 – Ecuador
• Rhauculus lojanus (Roewer, 1912) – Ecuador
• Rhauculus ohausi (Roewer, 1912) – Ecuador (doubtful Brazil).
• Rhauculus serrifemur (Roewer, 1928) – Ecuador, Peru
• Rhauculus unicolor (Roewer, 1957) – Peru

Etymology

The genus is masculine. Genus name derives from the pre-existing genus Rhaucus + masculine form of the diminutive Latin suffix -ulus.^[1]