Classification:

Subfamily: Amblyseiinae

Tribe: Amblyseiini

Subtribe: Arrenoseiina

Genus: Arrenoseius

Species: Arrenoseius gaucho

 
Holotype:

Arrenoseius gaucho Ferla, Silva & Moraes, 2010: 15; Dois Lajeados, Rio Grande do Sul, Brazil, on Richardia brasiliensis.

 
Distribution:
BRAZIL — PARANÁ: Araújo et al. (2022a); RIO GRANDE DO SUL: Diehl et al. (2012); Ferla et al. (2010); Ferla et al. (2011); Johann et al. (2014); Klock et al. (2011); Toldi et al. (2021a); Toldi et al. (2021b);
 
Hosts / Substrates (Holotype):
Rubiaceae: Richardia brasiliensis — Ferla et al. (2010);
 
Catalog: Prasad (2012);
Redescription: Barbosa & Demite (2023); Ferla et al. (2011); Klock et al. (2011);
 

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