Goodeniacarus reticulatus, Beard & Seeman, 2025
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publication ID |
https://doi.org/10.11646/zootaxa.5637.2.1 |
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publication LSID |
lsid:zoobank.org:pub:D067874C-A450-4BC5-9029-5A9C1FA344F6 |
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DOI |
https://doi.org/10.5281/zenodo.15562336 |
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persistent identifier |
https://treatment.plazi.org/id/03F8C565-8018-A017-A7A1-F998FB2BFAF9 |
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treatment provided by |
Plazi |
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scientific name |
Goodeniacarus reticulatus |
| status |
sp. nov. |
Goodeniacarus reticulatus sp. nov. Beard & Seeman
( Figs 5–15 View FIGURE 5 View FIGURE 6 )
Types. Holotype. Female, Australia, Herberton Range Conservation Park, above Hall’s Falls on North Wondecla Creek, Far North Queensland, 17°24’37.5” S 145°26’55.5” E, ex. Goodenia grandifolia Sims. ( Goodeniaceae ), 27.iv.2017, J.J. Beard, P.I. Forster and K. McDonald. Paratypes. 14 females, 7 males, 2 deutonymphs, same data as holotype. All specimens deposited in QM.
Other material examined. 7 females, 1 male, same data as holotype (QM) .
Diagnosis. Female. Dorsal ornamentation mostly reticulate; dorsal setae length 6–10. Setae g1 positioned anterior to g2. Setae ps2 and ps3 slender, tapered, lengths ps2 9–11, ps3 8–10. Femora I–II with seta bv″ long, tapered; femora IV with 2 seta (ev′, d present); tarsus I–II with companion seta ftʺ much longer than solenidion ωʺ.
Blunt setae on femora and tibiae: femur I–IV d; genu I–II d, l″; tibia I d, l″, tibia II l″, tibia III–IV d. Blunt setae smooth.
Description
Adult female. (6 measured)
Dorsum. ( Figs 5 View FIGURE 5 , 6 View FIGURE 6 ) Body measurements: v2–h1 208–215 [215], sc2–sc2 132–143 [143], c3–c3 134–150 [150], f3–f3 79–86 [81]. Prodorsal and opisthosomal shields weakly developed. Prodorsum mostly with reticulate cuticle; anterior margin with small median forked projection forming a broad shallow notch (4–7) [7]; with two pairs minute pores visible (can be difficult to see; indicated by arrows in Fig. 5 View FIGURE 5 ). Opisthosoma similarly with mostly reticulate cuticle, with band of irregular plicae anteriorly; with two pairs large pores—just mesad setae d3 and anterior to e3; with up to four pairs minute pores (can be difficult to see). Dorsal setae all short, fine, blunt. Setal measurements: v2 7–8 [8], sc1 8–10 [9], sc2 8–9 [8–9], c1 7–9 [8], c3 7–8 [7], d1 6–7 [7], d3 7–8 [7], e3 7 –8 [7–8], f3 7–8 [8], h1 6–8 [7–8].
Infracapitulum. ( Figs 5 View FIGURE 5 , 7) Dorsal cuticle with fine longitudinal plicae, ventral cuticle appears smooth; infracapitular setae m barbed (12–14) [13]. Palp tarsus phaneres (3 and 8–10) [8–9]; femur-genu-tibia with single barbed dorsal seta (12–17) [12].
Venter. ( Fig. 7) Ventral cuticle with oblique plicae on coxae I–II; with widely spaced transverse plicae between setae 1a–4a; with small region of broadly U-shaped plicae anterior to 4a–4a; with irregular arching plicae surrounding ag setae; with transverse plicae and weakly verrucose cuticle surrounding g1–g2 setae; genital region flanked by widely spaced longitudinal plicae. Setae g1 inserted anterior to g2 on genital flap. Most ventral setae short, fine, apparently smooth; except setae 1a and 4a elongate, fine, and often broken. Setae ps3 often obscured within lateral folds of genital opening. Pair of large, round pores often visible in soft cuticle laterad anus. Setal measurements: 1a 62–88 [68–88], 1b 17–24 [20–22], 1c 19–23 [21], 2b 25–23 [28–32], 2c 26–30 [28], 3a 15–23 [23], 3b 27–34 [34], 4a 40–85 [81], 4b 22–27 [24], ag 14–18 [16], g1 13–16 [13], g2 13–16 [15], ps2 9–11 [9–10], ps3 8–10 [9].
Spermathecal apparatus. A moderately short membranous duct with a broader bulb midway, and narrower distal portion with a granulate texture, terminating in a small, rounded bulb.
Legs. ( Fig. 8 View FIGURE 8 ) See genus Diagnosis for full setal formulae for legs I – IV , and description of type species, G. rosulatus sp. nov., for full leg chaetotaxy. Tarsi I and II each with one abaxial solenidion ωʺ (5–6 [5], 4–5 [4], respectively); barbed companion seta ftʺ much longer than solenidion (13–15 [15], 11–14 [12], respectively); pair of prorals p′ζ, pʺζ inserted on minute cuneiform tubercles (both 9–10). Solenidion and setae ft′ inserted on small tubercles. Some leg setae blunt and of similar form to dorsal idiosomal setae—seta l′ on trochanter III ; seta d on femora I– IV ; d, l″ on genua I– II ; d, l″ on tibiae I; l″ on tibiae II; d on tibiae III– IV .
Microplates. ( Figs 6 View FIGURE 6 , 9 View FIGURE 9 ) The microplate layer appears coarsely granular at 1,000 X magnification using DIC, and likewise at 2,000 X using scanning electron microscopy ( Fig. 9A View FIGURE 9 ). Individual microplates are hexagonal in shape ( Figs 9C, D View FIGURE 9 ), and have a finely granular surface visible at 20,000 X ( Fig. 9D View FIGURE 9 ). The microplates on the male ( Fig. 11 View FIGURE 11 ) appear differently to those on the female, however this may simply be due to the image being taken at a different developmental stage to those of the female. The individual plates on the male appear rounded and domed, and interconnected by smaller rectangular microplates; however, the hexagonal structure seen in the female plates is also apparent.
Adult male. (7 measured).
Dorsum. ( Figs 10 View FIGURE 10 , 11 View FIGURE 11 ) Body measurements: v2–h1 145–154, sc2–sc2 97–105, c3–c3 94–104, f3–f3 52–57. Prodorsum mostly smooth with few wrinkles and plicae, small sublateral region with some weak rugose reticulation indicated; with 3–4 pairs of minute pores visible sublaterally to centrally (can be difficult to see); anterior margin with small median forked projection forming a notch (2–5). Dorsal opisthosoma divided into mesonotal and pygidial shields; mesonotal shield with some weak irregular plicae, captures setal pairs c1–c3 and d1–d3; pygidial shield posterior to D row setae with few arching plicae anterior to mostly smooth central region and oblique plicae laterally. Opisthosoma with 3 pairs of large pores—just mesad setae c3, mesad d3, and anteromesad e3; with up to four pairs minute pores (difficult to see). Dorsal setae as in female, all short, fine, blunt. Setal measurements: v2 7–8, sc1 7–9, sc2 7–10, c1 7–8, c3 6–8, d1 7–8, d3 6–8, e3 7 –8, f3 7–9, h1 7–8.
Infracapitulum. ( Figs 10 View FIGURE 10 , 12 View FIGURE 12 ) Dorsal cuticle with fine longitudinal plicae, ventral cuticle with fine oblique plicae laterally or smooth; infracapitular setae m (8–10). Palp tarsus phaneres (2–3 and 7–8); femur-genu-tibia with single barbed dorsal seta (10–13).
Venter. ( Figs 12 View FIGURE 12 , 13 View FIGURE 13 , 14 View FIGURE 14 ) Ventral cuticle with fine longitudinal plicae 1b–1a; with widely spaced transverse plicae from 1a–3a; with region of broadly V-shaped plicae anterior to 4a–4a; with band of fine transverse plicae 4a–ag, and with few weak transverse plicae ag –genital region; genital region can be concealed under fold of cuticle; genital setae and opening flanked by plicae arching around region anteriorly. Setae g1 inserted just anterior to g2 on anterior margin of anogenital opening. Most ventral setae short, fine, apparently smooth or with 1–2 minute barbs (can be seen in Fig. 13 View FIGURE 13 ); except setae 1a and 4a elongate, fine, and often broken. Setae ps3 modified into short, thick, clavate accessory genital stylets ( Fig. 14 View FIGURE 14 ), often obscured under posterior projections of anogenital opening. Setal measurements: 1a 50–58, 1b 14–18, 1c 14–18, 2b 17–21, 2c 21–23, 3a 13–20, 3b 19–23, 4a 37–60, 4b 15–26, ag 11–13, g1 11–13, g2 12–14, ps2 7–11, ps3 6–7.
Aedeagus. ( Fig. 12 View FIGURE 12 ) Sclerotised, elongate, subulate (58–64), with narrow membranous tube emerging from sclerotised section.
Legs. ( Fig. 15 View FIGURE 15 ) Setal formulae and chaetotaxy same as adult female except ta I–II with solenidion ω′ also present. Tarsi I and II each with two solenidia (both with adaxial ω′ 6–8, abaxial ωʺ 5–6); companion seta ftʺ barbed (9–12, 9–10, respectively); pair of prorals p′ζ, pʺζ inserted on minute cuneiform tubercles (both 8–9). Form of leg setae similar to that of female, except setae bv″ is blunt on femur II.
Deutonymph. (2 measured)
Dorsum. Body measurements: v2–h1 173–187, sc2–sc2 112–127, c3–c3 118–123, f3–f3 56–60. Prodorsal and opisthosomal shields weakly developed. Prodorsum with smooth cuticle; anterior margin smoothly rounded without median notch. Dorsal opisthosoma with widely spaced broken transverse plicae between c1–d1; posterior d1–d1 with few longitudinal folds centrally to sublaterally. Dorsal setae as in adults. Setal measurements: v2 4–5, sc1 5–6, sc2 5–6, c1 6–7, c3 4–5, d1 4–5, d3 3–5, e3 4 –5, f3 4–5, h1 4.
Infracapitulum. Cuticle as in adults; infracapitular setae m (7–8). Palp tarsus phaneres (1–2 and 6–7); femur-genu-tibia with single barbed dorsal seta (9–8).
Venter. Ventral cuticle finely plicate; with fine longitudinal plicae 1b–1a; transverse plicae 1a to just posterior 4a; plicae circling around setae ag with longitudinal plicae inside circle; with band of transverse plicae between ag–ps3. Form of ventral setae as in adults. Setal measurements: 1a 58, 1b 14–18, 1c 7–10, 2b 10–15, 2c 8–11, 3a 8–13, 3b 9–13, 4a 24–34, 4b 7–11, ag 5–8, g1 6–8, ps2 3, ps3 3–4.
Legs. Setal formulae and chaetotaxy for legs I – IV same as adult female except trochanters 1-1-1-0. Tarsi I and II each with one abaxial solenidion ωʺ (4–5, 4, respectively); barbed companion seta ftʺ (both 5–6); pair of prorals p′ζ, pʺζ (6–7, 5–6, respectively). Some leg setae short to minute, blunt—seta l′ on trochanter III, seta d on femora I–IV, genua I–II, tibiae III–IV, and seta lʺ on genua I–II and tibiae I–II.
Host. The host plant, Goodenia grandifolia Sims. ( Goodeniaceae ), has sticky and fragrant leaves, and the mites were observed in higher numbers on the older, less sticky leaves.
Etymology. This species is named for its obviously reticulate dorsum.
Remarks. Host plant identification made by Queensland Herbarium (BRI voucher: PIF45191).
| I |
"Alexandru Ioan Cuza" University |
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