Amblydromalus laetus (Chant & Baker )

Moraes, Gilberto José De, Barbosa, Marina Ferraz De Camargo & Castro, Tatiane Marie Martins Gomes De, 2013, Phytoseiidae (Acari: Mesostigmata) from natural ecosystems in the State of São Paulo, Brazil, Zootaxa 3700 (3), pp. 301-347 : 317

Amblydromalus laetus (Chant & Baker)

Amblyseius laetus Chant & Baker, 1965: 26 .

Typhlodromalus laetus . — Moraes et al., 1986: 130; 2004b: 198; Denmark et al., 1999: 61. Amblydromalus laetus .—Chant & McMurtry, 2005b: 205; 2007: 117.

Specimens examined. Pariquera-Açu, October 2002, 1 female on Centratherum punctatum Cass. , 2 females on

Cyperus luzulae Hochst. ex Steud. , 1 female on Lantana camara L. and 1 female on unidentified plant. Previous records. Brazil [State of São Paulo (Castro & Moraes, 2010)]; Costa Rica, El Salvador and Honduras

(Moraes et al., 2004b).

Measurements of females (n= 4).

Dorsal shield 282 (280–285) long and 164 (160–170) wide. Setae j1 25 (24–25), j3 40, j4 11 (10–12), j5 10, j6 10

(10–12), J2 11 (10–12), J5 7 (7–8), z2 16 (15–18), z4 24 (22–27), z5 8 (7–9), Z1 10 (10–12), Z4 42 (39–46), Z5 71

(70–73), s4 64 (62–65), S2 24 (20–27), S4 14 (12–15), S5 8 (7–9), r3 24 (23–25), R1 10 (10–12). Distances

between St1 - St3 65 (64–67), St2 - St2 70, St5 - St5 68 (66–70). Ventrianal shield 98 (85–104) long, 62 (60–64) wide at

level of ZV 2 and 51 (47–56) wide at anus level. Movable cheliceral digit 32 (31–34) long, with one tooth; fixed

cheliceral digit 30 (29–31) long, with ten teeth. Calyx of spermatheca 15 (12–15) long. Leg macrosetae: Sge I 28

(26–28), Sge II 24, Sge III 23 (21–23), Sti III 25 (23–28), Sge IV 61 (60–62), Sti IV 36 (34–38), St IV 76 (75–77). Remarks. Measurements of the holotype are not given in the literature. According to the original description,

macrosetae are not present on legs I and III, while in the specimens collected in this study macrosetae are present

on those legs. Amblydromalus congeae De Leon, 1965 is very similar to A. laetus ; these species could be

synonyms.