Acamerobia inflatus, Fan, Qing-Hai & Walter, David E., 2011

Fan, Qing-Hai & Walter, David E., 2011, Acamerobia inflatus gen. n. & sp. n. from Australia (Acari: Prostigmata: Raphignathoidea: Camerobiidae) with notes on the idiosomal chaetotaxy, Zootaxa 3045, pp. 45-56 : 47-51

publication ID	https://doi.org/ 10.5281/zenodo.278839
DOI	https://doi.org/10.5281/zenodo.6185337
persistent identifier	https://treatment.plazi.org/id/03DF9C17-0946-FFA2-FF6D-E18DFE39FF09
treatment provided by	Plazi
scientific name	Acamerobia inflatus
status	sp. nov.

Treatment

Acamerobia inflatus sp. n.

( Figs. 1–4 View FIGURE 1 View FIGURE 2 View FIGURE 3 View FIGURE 4 ; Plates 1, 2)

Material examined

Holotype, adult female, from bark of Jacaranda mimosifolia , 27°30'S, 153°01'E, St. Lucia campus of the University of Queensland, Brisbane, Queensland, Australia, coll. Q.-H. Fan, 28.iv.2002. Paratype, 1 adult female, same data as holotype except the date, 15.vi.2002. Type slides will be deposited in the Queensland Museum (QM), South Brisbane, Qld, 4101.

Diagnosis

Female. Palptarsus with 2 setae, 2 eupathidia and 1 solenidion. Idiosoma with 16 pairs of setae (1 pair of pdx and 1 pair of vx present); dorsal idiosomal setae palmate. Counts of setae and solenidia on femora I–IV: 5, 4, 3, 2 and on tarsi I–IV: 9 + 1ω, 9 + 1ω, 7, 7.

Description

ADULT FEMALE ( Figs. 1–4 View FIGURE 1 View FIGURE 2 View FIGURE 3 View FIGURE 4 ; Plates 1, 2; n = 2)

Gnathosoma ( Fig. 3 View FIGURE 3 , Plate 2A). Stylophore stumpy, 56(55–56); movable digits 28(26–28); peritreme with 4–5 pairs of loops. Palp 37(36–37); counts of setae and solenidia from trochanter to tarsus: 0, 2, 1, 3 + 1 claw, 2 + 2 eupathidia + 1 solenidion (ω). Subcapitular setae m 21(20–21), distance m–m, 19(19–20).

Idiosoma ( Figs. 1 View FIGURE 1 , 2 View FIGURE 2 ; Plate 1). Nearly circular in dorsoventral view, 266(232–266) long, 245(213–245) wide. Propodosoma bearing 1 pair of eyes, 8(7–8) in diameter, 1 pair of postocular bodies, 12(12–13) in diameter and 6 pairs of palmate setae, vi 22 (20–22) × 16(14–16), ve 28(18–28) × 13(12–13), vx 28(25–28) × 13(12–13), sci 28(22–28) × 14(12–14), sce 28(22–28) × 15(12–15), pdx 27(21–27) × 14(12–14); distances: vi– vi 35(30–35), vi–ve 24(17–24), vi–pdx 49(45–49), ve–vx 25(16–25), ve–sci 54(42–54), sci–sce 32(27–32). Hysterosoma bearing 10 pairs of palmate setae, c1 29(20–29) × 15(13–1), c2 26(25–26) × 15(13–15), d1 29(25– 29) × 14(13–14), d2 28(25–28) × 14(13–14), e1 28 (25–28) × 14(13–14), e2 28 (27–28) × 13(12–13), f1 28(27– 28) × 14(13–14), f2 28(18–28) × 12(11–12), h1 28(15–28) × 12(11–12), h2 25(13–25) × 9(6–9); distances: c1–c1 11(11–22), c1–c2 76(62–76), c1–d1 41(35–41), d1–d1 28(28–30), d1–d2 64(50–64), d1– e1 42 (34–42), e1– e1 42 (31– 42), e1– e2 53 (45–53), e1–f1 42(40–42), f1–f1 33(25–33), f1–f2 37(33–37), f1–h1 49(45–49), h1–h1 17(17–25), h1–h2 32(12–32). Ven t er w it h 3 pairs of setae, 1a 20(18–20), 3a 38(30–38) and 4a 20(18–20); coxal setae 1c slender, about 1.5 times as long as palmate 1b, 1b 17(15–17), 1c 25(23–25). Aggenital setae small, ag 17(14–17). Genito-anal valves with 1 pair of genital setae, g 13(12–13), and 2 pairs of pseudanal setae, ps2 (12), ps1 (11–12).

Legs ( Fig. 4 View FIGURE 4 ). Length (from base of trochanter to tip of tarsus): leg I 325(290–325), leg II 281(251–281), leg III 307(281–307), leg IV 312(299–312). Genua I and III each with a lanceolate and a palmate seta, genu II with a large and a small palmate setae, length: I d 99(82–99), I l” 8(7–8); II d 25(24–25), II l” 8(7–8); III d 93(85–93), III l’ 9(7–9); genu IV with a lanceolate seta, IV d, 143(135–143) long. Tibiae I–IV each with a solenidion: Iϕ 9(8–9), IIϕ 8(7–8), IIIϕ 7(6–7), IVϕ 7(6–7). Terminal halves of tarsi I–II each with a solenidion: Iω 6(5–6), IIω 4(3–4). Counts of setae and solenidia on legs I–IV: coxae 1a + 2, 1, 2, 2; trochanters 1, 1, 1, 1; femora 5, 4, 3, 2; genua 2 + 1ĸ, 2 + 1ĸ, 2, 1; tibiae 8 + 1φ, 7 + 1φ, 6 + 1ϕ, 6 + 1ϕ; tarsi 9 + 1ω, 9 + 1ω, 7, 7.

Remarks

This species has a unique character of possessing only 2 pairs of pseudanal setae.

Etymology

The species name is derived from the Latin word inflatus , that means inflated as a reference to the expanded dorsal idiosomal setae.