Typhlodromus (Anthoseius) incisivus 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 : 52-54

Typhlodromus (Anthoseius) incisivus Van der Merwe

( Fig. 25 )

Typhlodromus (Anthoseius) incisivus Van der Merwe, 1968: 35 ; Moraes et al., 2004: 330; Chant & McMurtry, 2007: 155. Amblydromella incisiva, Moraes et al., 1986: 164 .

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

FEMALE. ( Specimens measured— South Africa: holotype, 3 paratype and 9 additional specimens). Idiosomal setal pattern 12A:8A/JV:ZV .

Dorsum. Dorsal shield 363 (347–372) [358] long and 211 (196–231) [212] wide; reticulate between j1 and Z4 and striate posteriorly to Z4. With 5 pairs of solenostomes, not all indicated in fig 25 A. Setae j1 20 (19–22) [19], j3 19 (17–20) [18], j4 13 (12–15) [13], j5 13 (12–14) [13], j6 17 (15–19) [18], J2 19 (17–23) [19], J5 10 (8–11) [9], z2 16 (14–19) [15], z3 17 (15–19) [17], z4 19 (17–22) [19], z5 15 (12–16) [16], Z4 31 (26–37) [29], Z5 49 (44–52) [47], s4 22 (16–24) [21], s6 23 (19–27) [27], S2 25 (22–27) [24], S4 22 (19–25) [22], S5 20 (15–20) [21], r3 18 (15–20) [19], R1 18 (15–19) [18]. Setae smooth and sharp-tipped, except Z5, serrate and blunt .

Peritreme. Extending to level of j1.

Venter. Sternal shield smooth, with 2 pairs of setae (ST3 on separate shields); posterior margin with a median lobe; distances between ST1–ST3 61 (58–65) [60], ST2–ST2 50 (46–53) [49]. Genital shield smooth; distance between ST5–ST5 60 (54–65) [59]. Ventrianal shield smooth, pentagonal, with anterior margin straight, 117 (112–126) [114] long, 80 (75–92) [80] wide at level of ZV2, 75 (66–81) [73] wide at level of anus, with 4 pairs of pre-anal setae (seta JV3 present); elliptical pre-anal pores posteromesad of JV2. With 2 pairs of metapodal shields. Caudoventral setae smooth and sharp-tipped.

Chelicera. Movable digit 25 (24–26) [25] long, with 2 teeth; fixed digit 25 (20–28) [27] long, with 2 teeth.

Spermatheca. Calyx a broad tube, 17 (14–18) [17] long; atrium small.

Legs. Macroseta sharp-tipped; St IV, 25 (22–28) [25]. Chaetotaxy: genu II: 2-2/1, 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, 271 (252–284) long and 176 (166–183) wide. Setae j1 15 (14–16), j3 15 (14–16), j4 11 (9–12), j5 10 (9–11), j6 14 (13–14), J2 13 (11–15), J5 9 (7–10), z2 13, z3 13 (11–14), z4 15 (13–16), z5 12 (11–12), Z4 24 (23–25), Z5 33 (31–34), s4 17 (16–18), s6 17 (17–18), S2 17, S4 16 (15–16), S5 13 (12–15), r3 14 (13–16), R1 14 (13–15).

Peritreme. Extending almost to level of j1.

Venter. Ventrianal shield subtriangular, mostly smooth, with lateral reticulation and sparse median striae anteriorly to JV3, free from peritrematal shields, 114 (110–116) long, 142 (138–148) wide at anterior corners; with 4 pairs of pre-anal setae and 3 pairs of lyrifissures (1 anterior to JV1, 1 sublateral and anterior to JV1 and 1 lateral and almost transversally aligned with ZV2); elliptical pre-anal pores posteromesad of JV2.

Spermatodactyl. Straight, shaft 23 (21–26) long.

Legs. Macroseta sharp-tipped; St IV 24.21 (16–25). Chaetotaxy of genua II and III as in female.

Specimens examined. South Africa: Holotype female and 2 paratype females, Eastern Cape Province, Mountain Zebra National Park, on Dodonaea viscosa , 28-I-1965, M.K.P. Smith Meyer; 1 paratype female, Eastern Cape Province, Soutkloof, Addo, on Atriplex vestita , 2-II-1965, M.K.P. Smith Meyer; 1 female from Eastern Cape Province, 34 km from Willomore to Uniondale, on a plant of the family Mesembryanthemaceae , 25-IX-1988, J.C.S. Barnard; 1 female and 1 male, Free State Province, 10 km from Bethulie to Venterstad, on, Lightfootia albens , 3-III-1986, M.K.P. Smith Meyer; 1 female, Eastern Cape Province, Langkloof River between Aliwal North and Burgersdorp, on Melolobium canescens , 12-III-1986, M.K.P. Smith Meyer; 1 female, Eastern Cape Province, Mountain Zebra National Park , on Pegolettia retrofracta , 6-III-1986, M.K.P. Smith Meyer; 1 female, Eastern Cape Province, Mountain Zebra National Park , on Trachonanthus camphoratus , 6-III-1986, E.A. Ueckermann; 1 female, Eastern Cape Province, Mountain Zebra National Park , on Walafrida saxatilis , 6-III-1986, M.K.P. Smith Meyer; 1 female and 1 male, Northern Cape Province, 10 km from Colesberg to Norvalspont, on Pentzia globosa , 4-III-1986, M.K.P. Smith Meyer; 1 female, Free State Province, 4 km from Bethulie to Burgersdorp , on Chrysocoma tenuifolia , 3-III-1986, M.K.P. Smith Meyer; 1 male, Eastern Cape Province, Mountain Zebra National Park , on Diospyros austroafricana , 5-III-1986, M.K.P. Smith Meyer; 1 female, Eastern Cape Province, Mountain Zebra National Park , on Lotononis divaricata , 4-III-1986, E.A. Ueckermann.

World distribution. South Africa.

Figures

FIGURE 25. Typhlodromus (Anthoseius) incisivus Van der Merwe: Female—A. Dorsal shield; B. Ventral surface; C. Chelicera; D. Spermatheca; E. Leg IV; Male—F. Spermatodactyl; G. Ventrianal shield.