Phytoscutus sexpilis Muma

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 : 111-113

Phytoscutus sexpilis Muma ( Figure 81)

Phytoscutus sexpilis Muma, 1961: 275 .

Typhlodromus sexpilis .— Hirschmann, 1962: 4.

Amblyseius (Phytoscutus) sexpilis .— Van der Merwe, 1968: 161.

Amblyseius sexpilis .— Chant et al., 1978: 1341.

Proprioseiopsis (Phytoscutus) sexpilis .— Karg, 1983: 303.

Phytoscutus sexpilis .— Moraes et al., 1986: 107, 2000: 249, 2004b: 166; Yoshida-Shaul & Chant, 1997: 234; Chant & McMurtry,

2004b: 309, 2007: 101; Gonçalves et al., 2013: 361; Rocha et al., 2015: 26; Souza et al., 2015: 114; Abo-Shnaf et al., 2016: 612; Denmark & Evans, 2019: 70.

Specimens measured. PE, SP (2, 2).

Dorsal shield of female mostly punctate, laterally striate, 323 (243–375) long and 310 (292–325) wide. Setal lengths: j1 15 (15–14), j3 28 (29–37), j4 9 (8–11), j6 11 (10–11), J5 9 (8–10), z2 9 (8–10), z4 11 (8–12), z5 7 (5–8), Z1 14 (12–15), Z4 174 (165–181), Z5 233 (208–262), s4 164 (127–184), S4 10 (9–11), S5 12 (10–14), r3 9 (8–10) and R1 14 (13–14). Peritreme extending to level of j1. Distances between st1–st3 46 (43–50), st2–st2 58 (55–60), st5–st5 93 (86–100). Ventrianal shield 128 (119–137) long, 162 (159–167) wide at level of Zv2 and 122 (120–140) at anus level. Spermathecal calyx funnel-shaped, 11 (10–11) long; atrium inconspicuous. Fixed cheliceral digit 23 long, with eight teeth; movable digit 25 long, with three teeth. Macrosetae only on genu and tibia IV, sharp-tipped; SgeIV 80 (78–84) and StiIV 61 (56–65), seta al3 of tarsus IV (usual position of macrosetae) stout, but not distinctly elongate, 14 (11–15) .

Distribution in Brazil. Amazonas ( Nuvoloni et al., 2015b; Vasconcelos & Silva, 2015; Cruz et al., 2019), Bahia ( Noronha et al., 1997; Nuvoloni et al., 2015a), Mato Grosso (Conceiç„o et al., 2021), Mato Grosso do Sul ( Mendonça et al., 2019), Pernambuco (Gondim Jr. & Moraes, 2001; Vasconcelos et al., 2016; Mendes et al., 2021; Melo et al., 2023), Rio Grande do Sul ( Gonçalves et al., 2013; Rocha et al., 2015), Rondônia ( Nuvoloni et al., 2015b), São Paulo (Gondim Jr. & Moraes, 2001; Zacarias & Moraes, 2001; Demite et al., 2011, 2012, 2013; Bellini et al., 2015) and Sergipe ( Noronha et al., 1997).

Distribution elsewhere. Cuba, Dominican Republic, Guadeloupe, Trinidad and USA.

Remarks. The measurements of the specimens examined are similar to those of the holotype reported by Yoshida-Shaul & Chant (1997), except j1, z4 and Z1, respectively about 1.4, 2.0 and 1.8 times longer in the holotype.