Typhlodromus (Anthoseius) rasilis Van der Merwe

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 : 87-89

Typhlodromus (Anthoseius) rasilis Van der Merwe

( Fig. 43 )

Typhlodromus (Anthoseius) rasilis Van der Merwe, 1968: 58 ; Moraes et al., 2004: 344; Chant & McMurtry, 2007: 155. Amblydromella rasilis, Moraes et al., 1986: 171 .

Amblydromella (Aphanoseia) rasilis, Denmark & Welbourn, 2002: 308 .

FEMALE. ( Specimens measured— South Africa: holotype, 3 paratype and 3 additional specimens). Idiosomal setal pattern 12A:8A/JV:ZV .

Dorsum. Dorsal shield 337 (320–354) [354] long and 178 (171–188) [188] wide, lightly reticulate. With 5 pairs of solenostomes. Setae j1 23 (21–26) [26], j3 30 (28–33) [33], j4 21 (18–23) [23], j5 21 (20–21) [21], j6 29 (27–30) [29], J2 32 (30–34) [31], J5 11 (10–13) [11], z2 19 (18–20) [22], z3 26 (24–28) [28], z4 31 (29–39) [32], z5 22 (20–25) [23], Z4 53 (51–54) [54], Z5 58 (56–61) [59], s4 35 (33–37) [36], s6 38 (37–40) [39], S2 43 (38–46) [46], S4 42 (39–44) [43], S5 12 (10–13) [10], r3 27 (24–30) [30], R1 28 (26–30) [30]. Setae smooth, except Z4, serrate; and Z5, serrate and knobbed.

Peritreme. Extending to level of j1.

Venter. Sternal shield smooth, with 2 pairs of setae (ST3 on separate shields); posterior margin with a bidentate median projection; distances between ST1–ST3 63 (61–67) [67], ST2–ST2 58 (56–60) [56]. Genital shield smooth; distance between ST5–ST5 58 (56–61) [58]. Ventrianal shield smooth, pentagonal, with anterior margin convex, 114 (107–118) [118] long, 78 (73–85) [82] wide at level of ZV2, 66 (61–72) [72] wide at level of anus, with 4 pairs of pre-anal setae (seta JV3 present); round pre-anal pores posteromesad of JV2. With 2 pairs of metapodal shields. Caudoventral setae smooth and sharp-tipped.

Chelicera. Movable digit 25 (24–26) [26] long, with 3 teeth; fixed digit 25 (24–26) [24] long, with 4 teeth.

Spermatheca. Calyx tubular, 17 (16–18) [18] long; atrium small, incorporated in calyx.

Legs. Macrosetae knobbed; Sge IV 18 (16–23) [18], St IV 35 (32–39) [39]. Chaetotaxy: genu II: 2-2/0, 2/ 0-1; genu III: 1-2/1, 2/0-1.

MALE. (Specimens measured— South Africa: 1)

Dorsum. Dorsal shield pattern and setae as in female, 272 long and 168 wide. Setae j1 19, j3 23, j4 15, j5 17, j6 21, J2 22, J5 9, z2 16, z3 20, z4 23, z5 16, Z4 35, Z5 38, s4 27, s6 28, S2 30, S4 26, S5 13, r3 22, R1 20.

Peritreme. Extending almost to level of j1.

Venter. Ventrianal shield subtriangular, mostly smooth, with few striae anteriorly to JV1, fused with peritrematal shields, 119 long, 149 wide at anterior corners; with 4 pairs of pre-anal setae and no distinguishable lyrifissures; round pre-anal pores posterior to JV2. Caudoventral setae smooth and sharp-tipped.

Spermatodactyl. Shaft straight, 23 long.

Legs. Macrosetae knobbed; Sge 14, St IV 26. Chaetotaxy of genua II and III as in female.

Specimens examined. South Africa: Holotype female and 3 paratype females, Limpopo Province, Zebediela , on Citrus sp. , 2-IV-1962, J. den Heyer; 1 female, Limpopo Province, Mokopane, on Acacia nilotica , 27- II-1997, M. van der Merwe; 1 female, Limpopo Province, Zebediela, on Euphorbia sp , 4-III-1985, E.A. Ueckermann; 1 female and 1 male, Mpumalanga Province, Modimole, on Terminalia sericea , 24-5-1983, E.A. Ueckermann.

World distribution. South Africa.

Figures

FIGURE 43. Typhlodromus (Anthoseius) rasilis Van der Merwe: Female—A. Dorsal shield; B. Ventral surface; C. Chelicera; D. Spermatheca; E. Leg IV; Male—F. Spermatodactyl; G. Ventrianal shield.