Arrenoseius gaucho Ferla, Silva & Moraes

Lofego, Antonio Carlos, Barbosa, Marina Ferraz De Camargo, Demite, Peterson Rodrigo & Moraes, Gilberto José De, 2024, Phytoseiidae (Acari: Mesostigmata) of the subfamily Amblyseiinae from Brazil, Zootaxa 5439 (1), pp. 1-306 : 85

Arrenoseius gaucho Ferla, Silva & Moraes ( Figure 60)

Arrenoseius gaucho Ferla et al., 2010: 15 .

Arrenoseius gaucho .—Ferla et al., 2011: 19; Klock et al., 2011: 524.

Specimens measured. RS (2).

Dorsal shield of female smooth, with scant anterolateral striae, 303 (290–325) long, 219 (207–245) wide. Setal lengths: j1 20 (18–25), j3 19 (15–35), j4 11 (10–13), j5 9 (5–13), j6 12 (5–15), J2 11 (8–13), J5 9 (8–10), z2 17 (13–24), z4 10 (5–15), z5 8 (5–8), Z1 13 (8–18), Z4 65 (53–73), Z5 59 (53–70), s4 46 (30–65), S2 24 (13–28), S4 10 (8–13), S5 10 (8–13), r3 21 (15–25) and R1 13 (8–15). Peritreme extending to level of j1. Distances between st1–st3 58 (53–63), st2–st2 68 (65–73), st5–st5 69 (65–78). Ventrianal shield 104 (95–113) long, 97 (90–103) wide at level of Zv2 and 81 (75–88) wide at anus level. Spermathecal calyx funnel-shaped, 15 (10–28) long; atrium inconspicuous. Fixed cheliceral digit 34 (31–36) long, with two teeth; movable digit 31 (28–33) long, with one tooth. Distinct macrosetae only on leg IV, sharp-tipped; SgeIV 46 (38–55), StiIV 29 (18–38), StIV 41 (38–58) .

Distribution in Brazil: Paraná ( Araujo et al., 2022a) and Rio Grande do Sul (Ferla et al., 2010, 2011; Klock et al., 2011; Diehl et al., 2012; Johann et al., 2014; Toldi et al., 2021a, b).

Distribution elsewhere. Not reported.

Remarks. Species described from Brazil. The measurements of the specimens examined are similar to the original description.