Amblyseius herbicolus (Chant)

Zannou, Ignace D., De, Gilberto J., Ueckermann, Eddie A., Oliveira, Anibal R., Yaninek, John S. & Hanna, Rachid, 2007, Phytoseiid mites of the subtribe Amblyseiina (Acari: Phytoseiidae: Amblyseiini) from sub-Saharan Africa, Zootaxa 1550, pp. 1-47 : 14-15

Amblyseius herbicolus (Chant)

( Fig. 8 )

Typhlodromus (Amblyseius) herbicolus Chant, 1959: 84 .

Amblyseius herbicolus, Moraes et al. 1989b: 79 ; Chant & McMurtry, 2004: 208; Moraes et al. 2004: 27.

Amblyseius (Amblyseius) herbicolus, Muma, 1961: 287 .

Typhlodromus herbicolus, Hirschmann, 1962: 23 .

Amblyseius deleoni Muma & Denmark, in Muma et al. 1970: 68 (synonymy according to Daneshvar & Denmark, 1982; Denmark & Muma, 1989).

Amblyseius giganticus Gupta, 1981: 33 (synonymy according to Gupta, 1986).

Amblyseius impactus Chaudhri, 1968: 553 (synonymy according to Daneshvar & Denmark, 1982; Denmark & Muma, 1989).

Amblyseius (Amblyseialus) thermophilus Karg, 1991: 12 (synonymy according to Karg, 1991).

Typhlodromus (Amblyseius) amitae Bhattacharyya, 1968: 677 (synonymy according to Denmark & Muma, 1989).

FEMALE—(Specimens measured—Benin: 1; Burundi: 1; Democratic Republic of Congo: 1; Ghana: 1; Kenya: 3; Rwanda: 1). Idiosomal setal pattern 10A:9B/JV-3:ZV.

Dorsum ( Fig. 8 A)—Dorsal shield mostly smooth, with few anterolateral striae, 352(325–368) long and 256(240–274) wide. Setae j1 37(34–40), j3 49(38–58), j4 6(5–8), j5 4(3–5), j6 7(5–8), J2 10(8–11), J5 8(6– 10), z2 11(8–16), z4 8(8–10), z5 6(5–6), Z1 10(8–13), Z4 126(101–152), Z5 281(251–306), s4 113(98–130), S2 12 (8–14), S4 11 (8–13), S5 9 (8–10), r3 14(11–16), R1 9(8–10). Setae smooth, except Z4 and Z5, lightly serrate.

Peritreme—Extending beyond level of j1.

Venter ( Fig. 8 B)—Sternal shield mostly smooth, with few anterolateral striae, posterior margin slightly convex; distances between St1-St3 65(58–70), St2-St2 71(66–75). Genital shield smooth; distance between St5-St5 71(67–75). Ventrianal shield smooth, vase-shaped, with a strong constriction posterior to Jv2, anterior margin convex, 116(112–118) long, 57(53–59) wide at level of Zv2 and 71(66–77) wide at level of anus; preanal pores elliptical, posterior to and in line with Jv2. Two pairs of metapodal shields.

Chelicera—Movable digit 35(34–35) long, with 3 teeth; fixed digit 31(30–31) long, with 10 teeth and a pilus dentilis.

Spermatheca ( Fig. 8 C)—Calyx trumpet-shaped, 32(32–35) long; atrium much wider than adjoining section of calyx.

Legs—Sharp-tipped macrosetae: Sge I 42 (35–48), Sge II 38 (35–42), Sge III 52 (45–59), Sti III 41 (34–48), Sge IV 124(96–158), Sti IV 90 (67–109), St IV 76 (66–86); presence of a prominent erect seta at base of tarsus I.

MALE—Not encountered in this study.

SPECIMENS EXAMINED—Two females, Benin: Département de l’Atlantique, International Institute of Tropical Agriculture, Abomey-Calavi, on Mallotus oppositifolius, 1989 , G.J. Moraes. Two females, Burundi: 16 km S Rutana, ISABU-MOSO, on Ficus vallis-choudae , 13-XII-1989, J.S. Yaninek. Two females, Democratic Republic of Congo: Muanda, Bas-Congo, on Elaeis guineensis , 11-VII-1991, A. Onzo. One female, Ghana: University of Legon, Accra, on Euphorbia heterophylla , 08-IX-1989, J.S. Yaninek. Five females, Kenya: 6.5 km S Mombasa, Coastal Province, on Sida acuta , 28-XI-1989, J.S. Yaninek; 6.5 km S Mombasa, Coastal Province, on Stachytarpheta jamaicensis , 28-XI-1989, J.S. Yaninek. Two females, Rwanda: Ruhengeri, on unknown plant, 08-XII-1989, J.S. Yaninek.

REMARKS—The specimens from Democratic Republic of Congo, Ghana and Kenya have setae Z 5 3- 13 % and s 4 12 -30% longer, while the ones from Democratic Republic of Congo, Ghana have Sge IV 25-35 % longer than in specimens reported in McMurtry and Moraes (1984).

WORLD DISTRIBUTION—Cosmopolitan.

Figures

FIGURE 8. Amblyseius herbicolus (Chant) (female): A. Dorsal shield; B. Ventral surface; C. Spermatheca; D. Leg IV.