Typhlodromus (Anthoseius) acaciae Schultz

Ueckermann, Edward A., Zannou, Ignace D., De Moraes, Gilberto J., Oliveira, Anibal R., Hanna, Rachid & Yaninek, John S., 2008, Phytoseiid mites of the tribe Typhlodromini (Acari: Phytoseiidae) from sub-Saharan Africa, Zootaxa 1901 (1), pp. 1-122 : 7-9

Typhlodromus (Anthoseius) acaciae Schultz

( Fig. 1 )

Typhlodromus (Anthoseius) acaciae Schultz, 1973: 103 ; Moraes et al., 2004: 308; Chant & McMurtry, 2007: 152. Amblydromella acaciae, Moraes et al., 1986: 154 .

Amblydromella (Amblydromella) acaciae, Denmark & Welbourn, 2002: 307 .

FEMALE. ( Specimens measured— South Africa: holotype, 1 paratype and 7 additional specimens). Idiosomal setal pattern 12A:8A/JV:ZV .

Dorsum. Dorsal shield 341 (324–352) [331] long and 179 (157–193) [177] wide; reticulate between j1 and S4, prodorsum also with line ornamentations and irregular reticulations. With 5 pairs of solenostomes, one pair lateral to setae j4 and j5 (gd2), one pair lateral to setae s4 and s6 (gd4), one pair posterolateral to s6 (gd6), one pair anterior to setae Z4 (gd8) and one associated with S5 (gd9). Setae j1 21 (21–26) [22], j3 28 (25–31) [25], j4 19 (16–21) [16], j5 19 (17–21) [17], j6 23 (21–25) [22], J2 25 (23–29) [24], J5 10 (8–15) [15], z2 21 (19–22) [19], z3 25 (22–29) [24], z4 27 (24–30) [26], z5 21 (18–22) [18], Z4 45 (42–50) [40], Z5 57 (54–62) [55], s4 29 (23–32) [23], s6 33 (28–38) [28], S2 36 (32–40) [32], S4 36 (32–41) [34], S5 12 (11–13) [12], r3 25 (23–27) [26], R1 25 (22–30) [23]. Setae smooth and sharp-tipped, except Z4, serrate, and Z5, serrate and knobbed; most of lateral setae and Z4 inserted on tubercules.

Peritreme. Extending to level of j1.

Venter. Sternal shield smooth, with 3 pairs of setae; posterior margin with a median lobe; distances between ST1-ST3 65 (63–68) [64], ST2-ST2 55 (52–58) [52]. Genital shield smooth; distance between ST5- ST5 59 (53–64) [54]. Ventrianal shield pentagonal, smooth, with anterior margin straight, 115 (106–122) [106] long, 77 (73–84) [78] wide at level of ZV2, 70 (64-77) [64] wide at level of anus, with 4 pairs of preanal setae; round pre-anal pores posteromesad of JV2. With 1 pair of metapodal shields. Caudoventral setae smooth and sharp-tipped, except JV5, knobbed.

Chelicera. Movable digit 26 (24–26) [26] long, with 3 teeth; fixed digit 24 (23–25) [24] long, with 6 teeth.

Spermatheca. Calyx tubular, gradually flaring toward vesicle, 21 (18–23) [20] long; atrium small, incorporated in calyx.

Legs. Macrosetae knobbed; Sge IV 16 (15–18) [16], Sti IV 22 (19–24) [21], St IV 34 (31–35) [32]. Chaetotaxy: genu II: 2-2/0, 2/0-1; genu III: 1-2/1, 2/0-1.

MALE. (Specimens measured— South Africa: 2)

Dorsum. Dorsal shield pattern and setae as in female, 259 (253–265) long and 155 (153–157) wide. Setae j1 19, j3 22, j4 16, j5 15 (14–16), j6 17 (15–18), J2 18 (17–19), J5 9 (8–9), z2 17 (16–17), z3 19 (18–20), z4 21, z5 17 (16–17), Z4 30, Z5 36, s4 23 (21–24), s6 24 (23–24), S2 23 (20–25), S4 24, S5 9, r3 22 (21–22), R1 17.

Peritreme. Extending to level of j1.

Venter. Ventrianal shield subtriangular, smooth, free from peritrematal shields, 101 (96–105) long, 138 (135–140) wide at the anterior corners; with 4 pairs of pre-anal setae and 1 pair of distinguishable lyrifissures (anterolateral and almost in horizontal line with JV1); pre-anal pores posteromesad of JV2. Caudoventral setae smooth and sharp-tipped.

Spermatodactyl. Round distally with small tea-pot spout laterally, shaft 19 long.

Legs. Macrosetae knobbed; Sge IV 12, Sti IV 19 (18–19), St IV 23 (20–26). Chaetotaxy of genua II and III as in female.

Specimens examined. South Africa: holotype and 1 paratype female, Gauteng Province, Roodeplaat, near Pretoria , on Acacia sp. , 8-II-1972, F.W. Schultz ; 1female and 2 males, Limpopo Province, Swartkrans near Mokopane , on Euclea crispa , 5-V-1981, E. Kassimatis ; 1 female, Gauteng Province, Roodeplaat near Pretoria , on Maytenus heterophylla , 15-I-1980, L. Seife ; 1 female, Gauteng Province, Roodeplaat near Pretoria , on Rhus pyroides , 15-I-1980, M.K.P. Smith Meyer ; 1 female, Gauteng Province, Roodeplaat near Pretoria , on Grewia flava , 15-I-1980, L. Seife ; 2 females, Gauteng Province, Cullinan , on Acacia sp. , 16-VII-1969, T. Coates .

World distribution. South Africa.

Figures

FIGURE 1. Typhlodromus (Anthoseius) acaciae Schultz: Female—A. Dorsal shield; B. Ventral surface; C. Chelicera; D. Spermatheca; E. Leg IV; Male—F. Spermatodactyl; G. Ventrianal shield.