''Arucillus'' is a genus of
harvestmen
The Opiliones (formerly Phalangida) are an Order (biology), order of arachnids,
Common name, colloquially known as harvestmen, harvesters, harvest spiders, or daddy longlegs (see below). , over 6,650 species of harvestmen have been discovered w ...
in the family
Cosmetidae
Cosmetidae is a family of harvestmen in the suborder Laniatores. With over 700 species, it is one of the largest families in Opiliones. They are endemic of the New World with a Nearctic-Neotropical distribution where a large fraction of the dive ...
with two described species (as of early 2025).
All species are from Central America or South America.
An overview of the wider phylogeny was stated by Medrano et al. (2024) favoring a placement in
Metergininae
Metergininae is a subfamily of harvestman, harvestmen in the family (biology), family Cosmetidae.
Taxonomy
The subfamily Metergininae includes the following genera:
* ''Arucillus''
* ''Erginulus''
* ''Meterginus''
* ''Poecilaemula''
* ''Rhau ...
but acknowledging that ''Arucillus'' appeared among
Libitiinae
Libitiinae is a subfamily of harvestmen in the family Cosmetidae.
Description
The subfamily was defined within Cosmetidae
Cosmetidae is a family of harvestmen in the suborder Laniatores. With over 700 species, it is one of the largest famili ...
in all other analyses, in some cases appearing allied to some externally similar species from Mexico and Antilles, those currently in the genera ''
Holovonones'' and ''
Vonones''.
Description
The genus ''Arucillus'' was described by
Šilhavý, 1971 with the type species ''
Arucillus hispaniolicus''
Šilhavý, 1971. The genus was later included in the subfamily
Metergininae
Metergininae is a subfamily of harvestman, harvestmen in the family (biology), family Cosmetidae.
Taxonomy
The subfamily Metergininae includes the following genera:
* ''Arucillus''
* ''Erginulus''
* ''Meterginus''
* ''Poecilaemula''
* ''Rhau ...
.
Species
These species belong to the genus ''Arucillus'':
*'' Arucillus armasi'' Hispanola (Dominican Republic)
*'' Arucillus hispaniolicus'' Hispanola (Dominican Republic)
Etymology
The genus is masculine. Genus name origin is uncertain, but may derive from modification of Loma Rucilla (the type locality) + masculine Latin suffi
-us
References
Further reading
* (eds.) (2007). ''Harvestmen – The Biology of Opiliones''. Harvard University Press, USA.
*
External links
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{{Taxonbar, from=Q2782910
Harvestmen
Harvestman genera