Euseius mesembrinus (Dean)

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 : 138

Euseius mesembrinus (Dean) ( Figure 97)

Typhlodromus mesembrinus Dean, 1957: 165 .

Typhlodromus (Amblyseius) mesembrinus .— Chant, 1959: 70.

Typhlodromus (Typhlodromopsis) mesembrinus .— De Leon, 1959a: 114.

Amblyseius (Typhlodromalus) mesembrinus . — Muma, 1961: 288.

Typhlodromus mesembrinus .— Pickett & Gilstrap, 1984: 126.

Euseius mesembrinus . — Moraes et al., 1986: 48, 2004b: 74; Abou-Setta, 1991b: 216; Chant & McMurtry, 2005b: 215, 2007: 121; Lopes et al., 2015: 183 ; Ferragut & Navia, 2017: 1596; Cavalcante et al., 2021: 3 .

Amblyseius (Euseius) ho De Leon, 1965: 125 (synonym according to Lopes et al., 2015: 183).

Euseius ho.— Moraes & McMurtry, 1983: 139; Moraes et al., 1986: 46, 2004b: 71, 2013: 321; Chant & McMurtry, 2005b: 215, 2007: 121; Guanilo et al., 2008a: 21 ; Ferla et al., 2011: 19; Klock et al., 2011: 524; Gonçalves et al., 2013: 362 ; Lopes et al., 2015: 177; Rocha et al., 2015: 26.

Amblyseius brazilli El-Banhawy, 1975: 549 ; (synonym according to Lopes et al., 2015: 183).

Euseius brazilli . — Moraes et al., 1986: 38; 2004b: 62; Chant & McMurtry, 2005b: 215; 2007: 120; Lopes et al., 2015: 177.

Specimens measured. AM, BA, CE, PA, PE, RJ, SP (2, 1, 1, 1, 1, 1, 3).

Dorsal shield of female mostly smooth, with anterolateral striae, 312 (300–320) long and 203 (175–220) wide. Setal lengths: j1 28 (27–31), j3 19 (17–25), j4 8 (7–9), j5 8 (7–9), j6 10 (9–11), J2 11 (9–13), J5 6 (4–7), z2 13 (11–15), z4 15 (10–18), z5 9 (8–10), Z1 11 (10–12), Z4 11 (9–13), Z5 55 (50–60), s4 22 (18–26), S2 13 (12–17), S4 15 (13–18), S5 16 (13–20), r3 14 (12–15) and R1 10 (9–15). Peritreme extending to level between j3 and z2. Distances between st1–st3 57 (51–63), st2–st2 66 (62–70), st5–st5 70 (62–74). Ventrianal shield 95 (90–100) long, 54 (51–60) wide at level of Zv2 and 65 (64–72) at anus level. Spermathecal calyx tubular, 19 (15–20) long; atrium inconspicuous. Fixed cheliceral digit 23 (23–25) long, with three teeth; movable digit 23 (21–25) long, with two teeth. Macrosetae on legs I–IV, macrosetae of leg IV slight capitate; SgeI 24 (23–25), SgeII 23 (20–25), SgeIII 26 (22–28), SgeIV 36 (32–40), StiIII 21 (18–24), StiIV 27 (26–31) and StIV 49 (46–51) .

Distribution in Brazil. Amazonas ( Vasconcelos & Silva, 2015), Bahia ( Moraes & McMurtry, 1983; Moraes et al., 1993), Ceará ( Denmark & Muma, 1973; Furtado et al., 2005), Maranhão ( Rêgo et al., 2012), Minas Gerais ( Moraes et al., 1990; Fiaboe et al., 2007; Silva et al., 2010), Paraíba ( Barbosa et al., 2021), Pernambuco ( Moraes & McMurtry, 1983; Vasconcelos et al., 2006; Sousa et al., 2015; Mendes et al., 2021), Rio de Janeiro ( Cavalcante et al., 2021), Rio Grande do Sul ( Lorenzato, 1987; Ferla & Moraes, 1998, 2002b; Ferla et al., 2005, 2011; Furtado et al., 2007; Horn et al., 2011; Klock et al., 2011; Marchetti & Ferla, 2011; Diehl et al., 2012; Gonçalves et al., 2013; Johann et al., 2014; Reichert et al., 2014; Rocha et al., 2015; Silva et al., 2020, 2021b; Toldi et al., 2021a, b) and São Paulo ( El-Banhawy, 1975; Gondim Jr. & Moraes, 2001; Zacarias & Moraes, 2001a; Castro & Moraes, 2010; Moraes et al., 2013; Lopes et al., 2015; Parecis-Silva et al., 2016; Baldo et al., 2018; Mineiro & Raga, 2020).

Distribution elsewhere. Argentina, Azores, Colombia, Ecuador, El Salvador, Honduras, Jamaica, Mexico, Peru, Puerto Rico and USA.

Remarks. The measurements of the specimens examined are similar to those of the original description of E. mesembrinus and to the redescription of the same species by Lopes et al. (2015).