Phytoscutus gongylus (Pritchard & Baker)

De Moraes, Gilberto J., Zannou, Ignace D., Ueckermann, Eddie A., Oliveira, Anibal R., Hanna, Rachid & Yaninek, John S., 2007, Species of the subtribes Arrenoseiina and Proprioseiopsina (Tribe Amblyseiini) and the tribe Typhlodromipsini (Acari: Phytoseiidae) from sub-Saharan Africa, Zootaxa 1448 (1), pp. 1-39 : 6-7

Phytoscutus gongylus (Pritchard & Baker)

( Fig. 3 )

Iphiseius (Trochoseius) gongylus Pritchard & Baker, 1962: 304 .

Amblyseius (Trochoseius) gongylus, Ueckermann & Loots, 1985: 129 .

Phytoscutus gongylus, Yoshida-Shaul & Chant, 1997: 231 ; Chant & McMurtry, 2004b: 309; Moraes et al., 2004: 165. Trochoseius gongylus, Matthysse & Denmark, 1981: 341 .

Female. ( Specimens measured. Cameroon: 2; Ghana: 1; Nigeria: 1; Uganda: 2; Zambia: 1; Democratic Republic of Congo: holotype)

Dorsum. Dorsal shield mostly smooth, with few undulating transverse striae between setae Z4, 399(368– 456) [379] long and 332(304–368) [321] wide. Setae j1 28(24–32) [30], j3 61(53–69) [60], j4 7(6–8) [4], j6 16(11–19) [14], J5 9(8–11) [12], z2 9(8–11) [10], z4 18(14–22) [17], z5 8(6–10) [4], Z1 37(30–43) [30], Z4 174(168–187) [166], Z5 203(192–216) [197], s4 158(149–171) [167], S5 13 (10–16) [17], r3 9(5–11) [8], R1 6 [6].

Venter. Sternal shield smooth posterior margin concave; distances between St1-St3 54(50–58) [54], St2- St2 65(61–69) [62]. Genital shield reticulate; distance between St5-St5 104(101–110) [95]. Ventrianal shield reticulate, anterior margin concave, lateral and posterior margins forewing a semicircle, 165(142–184) [158] long, 239(208–256) [223] wide at the level of Zv2 and 136(122–158) wide at level of anus, with 5 pairs of preanal setae (Jv1, Jv2, Jv4, Zv1 and Zv2); Jv5 short (24); preanal pores mesad and slightly anterior to Jv2. With 1 pair of metapodal shields, each with a protuberance on the inner margin, suggesting the fusion of a large, laterad and a small, mesad shield.

Chelicera. Movable digit 27(26–28) [27] long, with 3 [3] teeth; fixed digit 19(18–19) long, with 8 [apparently 7] teeth and a pilus dentilis.

Spermatheca. Calyx funnel-shaped, 15(11–19) long.

Legs. Sharp-tipped macrosetae; Sge I 30(26–35), Sge III 37(32–40) [36], Sti III 27(24–32), Sge IV 69(62– 78) [66], Sti IV 48(42–58) [54], St IV 48(40–54) [48].

Specimens examined. Cameroon: 1 km S Yangamo, on Cassia sp. , 02-II-1991, L. Louis. Democratic Republic of Congo ( Belgian Congo): Stanleyville, on Vitex congolensis , 18-IV-1955, E.W. Baker. Ghana: Senchi, on unknown plant, 13-XI-1989, G.J. de Moraes. Nigeria: 4 km S Elele, on Alchornea cordifolia , 15- IV-1992, A. Onzo. Uganda: Rachai, 34 km S Masaka, on Coffea sp. , 05-X-1990, J.S. Yaninek. Zambia: 84 km S Kasama, on Brachystegia boehmii , 16-VI-1992, J.S. Yaninek.

Remarks. Differently from the holotype, the specimens collected in this study have macrosetae on genu I and tibia III.

World distribution. Cameroon, Democratic Republic of Congo, Ghana, Kenya, Madagascar, Nigeria, Sierra-Leone, Uganda and Zambia.

Figures

FIGURE 3. Phytoscutus gongylus (Pritchard & Baker) (female): A. Dorsal shield; B. Ventral surface; C. Spermatheca; D. Peritremal shield; E. Leg IV.