Typhlodromus (Anthoseius) saevus 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 : 91-93

Typhlodromus (Anthoseius) saevus Van der Merwe

( Fig. 45 )

Typhlodromus (Anthoseius) saevus Van der Merwe, 1968: 39 ; Moraes et al., 2004: 349; Chant & McMurtry, 2007: 155. Amblydromella saeva, Moraes et al., 1986: 174 .

Typhlodromus saevus, El-Banhawy, 2002: 189 .

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

FEMALE. ( Specimens measured— South Africa: holotype, 6 paratypes and 7 additional specimens). Idiosomal setal pattern 12A:8A/JV:ZV .

Dorsum. Dorsal shield 299 (292–333) [316] long and 169 (157–178) [166] wide, reticulate. With 5 pairs of solenostomes, only gd9 indicated in fig. 45 A. Setae j1 19 (16–21) [16], j3 20 (19–22) [20], j4 15 (13–16) [15], j5 14 (12–18) [14], j6 17 (14–19) [17], J2 20 (16–22) [20], J5 10 (9–12) [10], z2 17 (14–20) [16], z3 20 (18–21) [20], z4 21 (19–23) [19], z5 16 (14–18) [16], Z4 26 (23–28) [26], Z5 46 (38–55) [47], s4 21 (18–23) [21], s6 24 (21–26) [23], S2 25 (23–28) [27], S4 27 (24–31) [26], S5 27 (24–30) [25], r3 22 (18–25) [24], R1 21 (19–23) [20]. One member of setae S5 accidentally omitted from fig. 45 A. Setae smooth and sharp-tipped, except Z5, serrate and knobbed .

Peritreme. Extending to level of j1.

Venter. Sternal shield smooth, with 2 pairs of setae (ST3 on integument); posterior margin with a wedgeshaped median projection; distances between ST1–ST3 62 (58–67) [67], ST2–ST2 47 (44–52) [45]. Genital shield smooth; distance between ST5–ST5 50 (46–55) [47]. Ventrianal shield smooth, subpentagonal, with anterior margin convex, 106 (100–113) [108] long, 82 (76–94) [77] wide at level of ZV2, 74 (65–84) [75] 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 22 (20–24) [22] long, with 1 – 2 teeth; fixed digit 22 (20–23) [21] long, with 4 teeth.

Spermatheca. Calyx bell-shaped, 10 (7–12) [8] long; atrium small, incorporated in calyx.

Legs. Macroseta sharp-tipped; St IV 23 (20–25) [23]. Chaetotaxy: genu II: 2-2/0, 2/0-1; genu III: 1-2/1, 2/ 0-1.

MALE. (Specimens measured— South Africa: 3)

Dorsum. Dorsal shield pattern and setae as in female, 243 (242–245) long and 143 (137–147) wide. Setae j1 14 (13–14), j3 16 (14–17), j4 10 (9–11), j5 10 (9–12), j6 13 (12–14), J2 14 (12–15), J5 7 (7–11), z2 13 (11– 15), z3 13 (11–15), z4 14 (11–16), z5 11 (11–12), Z4 20 (17–22), Z5 28 (27–28), s4 15 (14–17), s6 18 (15– 20), S2 19 (17–20), S4 19 (18–21), S5 19 (18–22), r3 16 (14–20), R1 15 (12–18).

Peritreme. Extending almost to level of j1.

Venter. Ventrianal shield subtriangular, mostly smooth, with few striae anteriorly to ZV2, fused with peritrematal shields, 95 (93–97) long, 122 (119–125) wide at anterior corners; with 4 pairs of pre-anal setae and 3 pairs of distinguishable lyrifissures (1 anterior to JV1, 1 laterad and almost transversally aligned with JV1, 1 laterad and well posterior to ZV2); round pre-anal pores posteromesad of JV2. Caudoventral setae smooth and sharp-tipped.

Spermatodactyl. Shaft straight for most of its length, bent distally 18 (16–20) long.

Legs. Macroseta sharp-tipped; St IV 17 (15–20). Chaetotaxy of genua II and III as in female.

Specimens examined. South Africa: Holotype female, Western Cape Province, Caledon, on Ficus carica , 28-XII-1954, P.A.J. Ryke; 2 paratype females, Limpopo Province, Zebediela, on Citrus sp. infested with Aonidiella auranti , V-1964, G.G. van der Merwe; 1 paratype female, North West Province, Potchefstroom, on Prunus domestica , I-1964, P.A.J. Ryke; 2 paratype males, Limpopo Province, Zebediela, on Citrus sp. , III-V- 1964, J. den Heyer; 1 paratype female, Free State Province, Golden Gate National Park, on Leucosidea sericea , 14-X1963, M.K.P. Smith Meyer; 1 paratype female, Western Cape Province, on F. carica , 2-I-1955, P.A.J. Ryke; 1 paratype female, North West Province, Potchefstroom, in debris under P. domestica , I-1954, P.A.J. Ryke; 1 female, Kwazulu / Natal, Monk’s Cowl, Drakenberg Mountains , on Protea dracomontana , 16- VI-1996, S. Neser; 1 female, Western Cape Province, Tsitsikamma National Park , on unidentified plant, 4-II- 1994, E. van den Berg; 1 female, Western Cape Province, Elands Bay , on Galenia fruticosa , 29-IX-1982, M.K.P. Smith Meyer; 1 female, Western Cape Province, Wolfkloof, near Swellendam, on Erica sp. , 30-12- 1991, S. Neser; 1 female, Western Cape, farm Breevlei near Grabouw, on Malus sylvestris , 25-IV-1991, J.H. Botha; 1 female, Western Cape Province, Langebaan, on Lycium ferocissimum , 19-IX-1988, E.A. Ueckermann; 1 female and 1 male, Western Cape Province, Langebaan, on an unidentified plant, 19-IX-1988, J.C.S. Barnard.

World distribution. South Africa.

Figures

FIGURE 45. Typhlodromus (Anthoseius) saevus Van der Merwe: Female - A. Dorsal shield; B. Ventral surface; C. Chelicera; D. Spermatheca; E. Leg IV; Male - F. Spermatodactyl; G. Ventrianal shield.