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

http://doi.org/ 10.5281/zenodo.278839

persistent identifier

http://treatment.plazi.org/id/03DF9C17-0946-FFA2-FF6D-E18DFE39FF09

treatment provided by

Plazi

scientific name

Acamerobia inflatus
status

sp. n.

Acamerobia inflatus  sp. n.

( Figs. 1–4View FIGURE 1View FIGURE 2View FIGURE 3View 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 + 1 ω, 9 + 1 ω, 7, 7.

Description

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

Gnathosoma ( Fig. 3View FIGURE 3, Plate 2 A). 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. 1View FIGURE 1, 2View 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, c 1 29 (20–29) × 15 (13 – 1), c 2 26 (25–26) × 15 (13–15), d 1 29 (25– 29) × 14 (13–14), d 2 28 (25–28) × 14 (13–14), e 1 28 (25–28) × 14 (13–14), e 2 28 (27–28) × 13 (12–13), f 1 28 (27– 28) × 14 (13–14), f 2 28 (18–28) × 12 (11–12), h 1 28 (15–28) × 12 (11–12), h 2 25 (13–25) × 9 (6–9); distances: c 1 – c 1 11 (11–22), c 1 – c 2 76 (62–76), c 1 – d 1 41 (35–41), d 1 – d 1 28 (28–30), d 1 – d 2 64 (50–64), d 1 – e 1 42 (34–42), e 1 – e 1 42 (31– 42), e 1 – e 2 53 (45–53), e 1 – f 1 42 (40–42), f 1 – f 1 33 (25–33), f 1 – f 2 37 (33–37), f 1 – h 1 49 (45–49), h 1 – h 1 17 (17–25), h 1 – h 2 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 1 c slender, about 1.5 times as long as palmate 1 b, 1 b 17 (15–17), 1 c 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, ps 2 (12), ps 1 (11–12).

Legs ( Fig. 4View 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 1 a + 2, 1, 2, 2; trochanters 1, 1, 1, 1; femora 5, 4, 3, 2; genua 2 + 1 ĸ, 2 + 1 ĸ, 2, 1; tibiae 8 + 1 φ, 7 + 1 φ, 6 + 1 ϕ, 6 + 1 ϕ; tarsi 9 + 1 ω, 9 + 1 ω, 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.