Amblyseius chiapensis DeLeon
Amblyseius chiapensis DeLeon, 1961: 85; 1962: 175; McMurtry, 1983: 250; Moraes et al., 1986: 10; 1991: 118; 2004: 19; Moraes & Mesa, 1988: 72; Denmark & Muma, 1989: 94; McMurtry & Moraes, 1989: 185; Gondim Jr. & Moraes, 2001: 67; Chant & McMurtry, 2004a: 199; Lofego et al., 2004: 3; Guanilo et al., 2008a: 4; 2008b: 4; Demite et al., 2009: 47.
Amblyseius triplaris DeLeon 1967: 25 (synonym according to Denmark & Muma, 1989).
FEMALE (8 specimens measured). Dorsal shield 349 (335–380) long and 217(210–225) wide; j1 31 (28–34), j3 50 (47–54), j4 7 (6–8), j5 6 (5–7), j6 8 (7–8), J2 8 (7–8), J5 8 (7–10), z2 11 (11–12), z4 10 (10–11), z5 6 (5– 7), Z1 8 (7–9), Z4 112 (105–115), Z5 188 (180–195), s4 94 (90–98), S2 10 (8–11), S4 9 (8–10), S5 9 (8–10), r3 21 (20–21), R1 10 (9–11); distances between st1–st3 64 (59–67), st2-st2 76 (72–79) and st5–st5 71 (65– 76); ventri–anal shield 129 (126–132) long, 80 (78–87) wide at level of ZV2 and 74 (66–80) wide at level of anus; JV5 75 (70–77); movable cheliceral digit 40 (39–40) long, with 5 teeth; fixed cheliceral digit 35 (32–38) long, with 10 teeth; calyx of spermatheca 5 (5–6) long; Sge I 37 (36–39), Sge II 38 (35–43), Sge III 41 (38– 44), Sti III 32 (30–34), Sge IV 78 (73–82), Sti IV 53 (48–55), St IV 74 (70–77).
Specimens examined: Sud Mennucci (20°39' S, 50°54' W), September 2007, on B. decumbens (5 Ƥ); October 2007, on M. minutiflora (4 Ƥ). Santo Antônio do Aracanguá (20°55' S, 50°20' W), October 2007, on B. decumbens (2 Ƥ). Turmalina (20°00' S, 50° 26' W), January 2008 (1 Ƥ), April 2008 (2 Ƥ), June 2008 (4 Ƥ), on B. brizantha; Taquaritinga (21°24' S, 48°41' W), June 2008, on M. minutiflora (7 Ƥ, 1 3). Onda Verde (20°32' S, 49°14' W), June 2008, on M. minutiflora (1 Ƥ); July 2008, on P. maximum (1 Ƥ). Palestina (20°17' S, 49°03' W), June 2008, on B. brizantha (1 Ƥ). Novo Horizonte (21°03' S, 49° 18' W), July 2008, on B. brizantha (4 Ƥ). Campinas (22°54' S, 47°01' W), July 2008, on B. decumbens (1 Ƥ). Piracicaba (22°41' S, 47°37' W), July 2008, on M. minutiflora (2 Ƥ), on P. maximum (1 Ƥ).
Remarks: This species is previously known from Argentina (Guanilo et al. 2008b), Brazil, Colombia, El Salvador, Guatemala, Honduras, Mexico, Peru (Guanilo et al. 2008a), Puerto Rico, Trinidad and Venezuela. Measurements of the specimens collected are close to those of the original description.