Tuckerella parsi Khadem & Asadi, 2018

Safdarkhani, Hamid Khadem & Asadi, Mahdieh, 2018, A new species of the genus Tuckerella (Acari: Trombidiformes: Tuckerellidae) from Iran, Acarologia 58 (1), pp. 15-30 : 16-18

Tuckerella parsi Khadem & Asadi n. sp. ( Figs. 1 – 11 )

Zoobank: ED651AFF-6777-4930-83FB-51501768C3BA

Type material examined — Holotype female ( SBUC) and three female paratypes ( SBUC), five female tritonymphs (4 SBUC, 1 ACASI), five protonymphs (4 SBUC, 1 ACASI), four males (3 SBUC, 1 ACASI) ex Tamarix aphylla (Tamaricaceae) , Iran: Kerman Province, Manujan , 27°19’N 57°29’E, 18 October 2014, coll. H. Khadem Safdarkhani.

Diagnosis

Adult female: Rostrum very long, passing base of tarsi I, prodorsum and most dorsal hysterosoma covered with closed cells; prodorsal setae palmate v1 (dissimilar to other prodorsal setae) with rounded tips and prodorsal setae v1 longer than v2; setal row H with six pairs of flagellate setae and two pairs of short palmate setae h (1 shorter than h6); setae h3 shorter than other flagellate setae; opisthosomal setae f1 and f2 subequal; c4 about two thirds the length of distance between c4–sc2; femur and genu of leg III each with three setae (two ventral and one dorsal). All setae on tarsi I – IV except setae p 𝜁 and both ft barbed.

Description

FEMALE ( Figs. 1–3 )(n=4). Body oval, orange in color, length (vi–h1) 271 (268 – 273), width (c5–c5) 186 (185 – 191).

Gnathosoma — Rostrum long, passing base of tarsi I, with long ventral setae m. Palp setal formula: 0–0–1–3–4, genual seta barbed, tibial setae slender, tarsus with two eupathidia, one solenidion and one tactile seta ( Fig. 1C ). Peritreme anastomosed distally ( Fig. 1E ).

Dorsum ( Fig. 1A ) — Dorsal shields covered with cells forming reticulate pattern. Dorsal setae expanded, leaf-like, toothed margins, except setae vi smooth, without barbules. Hysterosomal setae, c1–7, d1–5, e1–4, h1 and h6, subcircular, subrectangular. Lengths of dorsal setae: vi 45 (43 – 48), ve 32 (32 – 34), sci 37 (35 – 38), sce 42 (43 – 47), c1 47 (44 – 47), c2 45 (44 – 46), c3 42 (41 – 44), c4 39 (38 – 41), c539 (39 – 42), c6 39 (37 – 40), c7 39 (38 – 40), d1 34 (33 – 37), d2 32 (30 – 33), d3 37 (35 – 38), d4 58 (56 – 59), d561 (59 – 62), e1 29 (28 – 30), e2 32 (31 – 34), e3 63 (60 – 64), e4 55 (54 – 58), f1 28 (27 – 28), f2 28 (27 – 29); posterior margin of opisthosoma with six pairs of long flagellate setae (h2, h3, h4, h5, h7, h8) and two pairs of expanded setae h (1 and h6), same as dorsal setae; lengths: h1 42 (40 – 43), h2 358 (353 – 361), h3 229 (225 – 234), h4 351 (346 – 354), h5 316 (312 – 319), h6 53 (51 – 56), h7 337 (334 – 341), h8 297 (294 – 302).

Venter ( Fig. 1B ) — Ventral striae pattern: longitudinal striae laterad setae 1a but smooth medially, band of transverse striae between seta 1a and 3a; longitudinal striae on both sides of body between coxa II and III, smooth around setae 3a and 4a; striae on rest of venter up to genital plate transverse, striae on pregenital area surrounding setae ag1 longitudinal to oblique, genital and pseudanal region smooth. Pregenital setae two pairs ag (1–2), genital setae four pairs (g1–4) and pseudanal setae three pairs ps (1–3), pregenital, genital and anal plate difficult to discern. Setae 1a more than two and four times as long as 3a and 4a, respectively; setae 2c thick, barbed; setae ps2 barbed, all other setae smooth. Length of ventral setae: 1a 86 (83 – 87), 1b 27 (29 – 31), 1c 25 (25 – 28), 2b 40 (38 – 41), 2c 67 (66 – 70), 3a 30 (28 – 30), 3b 22 (22 – 24), 3c 5 (5 – 6), 4a 18 (17 – 19), 4b 18 (18 – 20), 4c 6 (5 – 6), ag1 19 (19 – 20), ag2 18 (17 – 19), g1 12 (11 – 12), g2 11 (10 – 11), g3 23 (22 – 24), g4 23 (22 – 25), ps1 11 (11 – 12), ps2 16 (15 – 17), ps3 33 (32 – 35).

Legs ( Figs. 1D , 2 A–D, 3A–D) — Tarsal claws claw-like and empodium pad-like with tenent hairs. Setation of legs I – IV: coxae 2(1b, 1c) – 2(2b, 2c) – 1(3b) – 1(4b); trochanters 1(v’) – 1(v’) – 1(v’) – 1(v’); femora 7(d, v’, v”, v’1, bv”, l’, l”) – 7(d, v’, v”, v’1, bv”, l’, l”) – 3(ev’, d, l’) – 1(ev’); genua 7(d, v’, v”, l’, l”, l’1, l”1) – 6(d, v’, v”, l’, l”, l’1) – 3(d, v’, l’) –

2(d, v’); tibiae 8(d, v’, v”, l’, l”, l’1, l”1, 𝜑) – 5(d, v’, v”, l’, l”) – 5(d, v’, v”, l’, l”) – 4(d, v’, v”, l”); tarsi 14(pv’, l”1, pl’, pl”, ft’, ft”, ω’, ω”, u’, u”, p’ 𝜁, p” 𝜁, tc’, tc”) – 11(pv’, pl”, ft’, ft”, ω”, u’, u”, p’ 𝜁, p” 𝜁, tc’, tc”) – 7(pv’, ft’, ft”, u’, u”, tc’, tc”) – 7(pv’, ft’, ft”, u’, u”, tc’, tc”).

Figures

Figure 1 Tuckerella parsi n. sp. (female): A – dorsum; B – venter; C – palp, scale bar 50 μm; D – pretarsus, scale bar 20 μm; E – end of peritreme, scale bar 10 μm.

Figure 2 Tuckerella parsi n. sp. (female): right legs I – IV, scale bar 50 μm.

Figure 3 Tuckerella parsi n. sp. (female): tibia & tarsi, right legs I – IV, scale bar 50 μm.

Figure 4 Tuckerella parsi n. sp. (male): A – dorsum, B – venter, C – palp, D – aedeagus, scale bar 50 μm; E – pretarsus, scale bar 20 μm.

Figure 5 Tuckerella parsi n. sp. (male): left legs I – IV, scale bar 50 μm.

Figure 6 Tuckerella parsi n. sp. (male): tibia & tarsi, left legs I – IV, scale bar 50 μm.

Figure 7 Tuckerella parsi n. sp. (tritonymph): A – end of venter, B – palp, scale bar 50 μm; C – pretarsus, scale bar 20 μm; (protonymph): D – end of venter, E – palp, scale bar 50 μm; F – pretarsus, scale bar 20 μm.

Figure 8 Tuckerella parsi n. sp. (tritonymph): right legs I – IV, scale bar 50 μm.

Figure 9 Tuckerella parsi n. sp. (tritonymph): tibia & tarsi, right legs I – IV, scale bar 50 μm.

Figure 10 Tuckerella parsi n. sp. (protonymph): right legs I – IV, scale bar 50 μm.

Figure 11 Tuckerella parsi n. sp. (protonymph): tibia & tarsi, right legs, scale bar 50 μm.