Pyemotes zhonghuajia Yu, Zhang & He, 2010, sp. nov.
Creators: name: Yu, Lichen
name: Zhang, Zhi-Qiang
name: He, Limin
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Prostigmata
Pyemotidae
Pyemotes
Pyemotes zhonghuajia

description: Pyemotes zhonghuajia sp. nov. (Figs 1–12)
Pyemotes phloeosinus Han et al. 2008: 72 nom. nud.
Description of male (Figs 1–6)
Size. Idiosoma 185–232 long, 105–128 wide.
Gnathosoma. Gnathosomal body 26–29 long, 26–32 wide (Fig. 1). Seta ch 1 3–6 long, antero-medial in location; seta ch 2 5–6 long, postero-lateral to ch 1. Subcapitular setae absent (Fig. 2). Palpal femoral seta (Fe) 13–14 long, much longer than other setae on ventral gnathosoma (Fig. 2). Palpal genual seta (Ge) 5 long. Palpal tibiotarsal seta 3–6 long. Palpal solenidion ω 3 long.
Prodorsum. Prodorsal shield longer than wide, anterior margin strongly convex (Fig. 1). Seta v 1 a pit only on each side. Setae v 2 4–8 long. Setae sc 1 6–16 long, longer than v 2. Setae sc 2 73–89 long, half as thick as setae d; long and thin, 1.7–2.1 times as wide as sc 2– sc 2. Distance between setal bases: v 1– v 1 18–22; v 2– v 2 38 –44; v 1– v 2 12–15; v 2 – sc 1 5–6; sc 1– sc 1 38–47, nearly as wide as sc 2– sc 2; sc 2– sc 2 37–46; sc 1– sc 2 6–7.
Hysterosomal dorsum. Plate CD sub-circular in shape (Fig. 1). Setae c 1 23–33 long. Setae c 2 22–48 long. Distances c 1– c 1 42–53 wide, 1.1–1.3 times as wide as sc 2– sc 2. Setae d 100–106 long, long and thick, 1.2–1.3 times as long as sc 2, about half as long as body length. Distance d–d 26–32, 0.5–0.7 times as wide as c 1– c 1. Plate EF wider than long. Setae e thin and short, 10–12 long. Setae f 66–84 long, thick, 0.7–0.9 times as long as setae d. Distance f–f 11–18 wide, about half as wide as d–d. Setae h 1 7–9 long. Setae h 2 minute, 1 long, bacilliform, much shorter than h 1. Distance h 1– h 1 7–13 apart. Setae ps 1 6–9 long. Setae ps 2 3–4 long, a thickened peg, shorter than ps 1. Setae ps 3 5–6 long.
Idiosomal venter. Apodeme 1 short, anterolaterally just reaching base of trochanter I, the pair forming an angle about>90° medially (Fig. 2). Apodeme 2 strongly tapered in distal 1/3, mediad 2/3 not as thick as prosternal apodeme. Sejugal apodeme not well developed. Prosternal apodeme psteriorly extending to level of insertion of setae 2a. Setae 1a 12–16 long, close, but sometimes obviously separated from apodeme 1. Setae 1b 9–11 long, close to anterolateral end of apodeme 2. Distance 1a–1a. 15–19. Setae 2a 14–21 long, widely apart from apodeme 2, extending beyond base of 2b. Setae 2b 13–15 long. Distance 2a–2b 12–13; 2a–2a 22–29, 1.3–1.7 times as wide as 1a–1a. Apodeme 3 strong, not connecting with each other but connecting with apodeme 4 and apodeme 5. Apodeme 4 strong, not connecting with each other medially, but nearly connecting with apodeme 5 of the same side.
Apedeme 5 strong and long. Setae 3a 8–18 long, slightly shorter than 3b. Distance 3a–3a 24–29 wide, 0.8–1.1 times as wide as 2a–2a. Setae 3b 15–19 long, not reaching bases of 3a and 4a. Distance 3b–3b 45–52 wide, 1.7–2.0 times as wide as 3a–3a. Setae 3c 16–20 long, close to apodeme 3. Distance 3c–3c 58–70 wide, 2.4–2.8 times as wide as 3a–3a. Setae 4a 8–9 long. Distance 4a–4a 35–41, 1.3–1.7 times as wide as 3a–3a. Setae 4b 6–8 long. Distance 4b–4b 15–19 wide, 0.6–0.7 times as wide as 3a–3a.
Legs (Figs 3–6).
Leg I 55 –61 long (Fig. 3), shorter than other legs.
Trochanter I 13–16 long, 0.6–0.9 times as long as wide (Fig. 3); seta v' 6–10 long, not reaching base of segment, 0.4–0.8 times as long as trochanter.
Femur I 17–19 long, 1.3–1.5 times as long as wide, with 4 setae, d, l', l", v"; seta d 17–21 long, extending beyond base of l" Ge and 0.9–1.1 times as long as femur; seta l' 9–11 long, 0.5–0.6 as long as d; 10–15 long; seta v'' 25–45 long.
Genu I 9–11 long, 0.8–0.9 times as long as wide, with 4 setae, l', l", v', v"; seta l' 35–42 long, extending beyond distal end of tarsus; seta l" 28–34 long, about 0.8 time as long as l'; seta v' 12–13 long, about 1.2 times as long as genu; seta v'' 12 long, about as long as v'.
Tibia I 16 long, 1.1–1.5 times as long as wide, with 6 setae and 1 solenidion, d, l', l", v', v", k, φ (Fig. 3); seta d 40–51 long, 0.8–0.9 times as long as leg I, the longest in leg I, about 4 times as long as tibia; seta l' 15–21 long, 1.1–1.5 times as long as tibia; nearly 0.4 times as long as d; seta l'' 14–21 long, about long as l', nearly 0.4 times as long as d; seta v' 14–16 long, 1.0–1.2 times as long as tibia; seta v'' 18–19 long, 1.1–1.2 times as long as v'; microseta k 8–10 long, over half as long as tibia; solenidion Φ1 4 long, about 0.4 times as long as k; solenidion Φ2 absent.
Tarsus I 13 long, 1.4–1.6 times as long as wide, with 12 setae and 1 solenidion, pl', pl", pv', pv", ft', ft', tc', tc", p', p", s, u', ω (Fig. 1); seta pl' 26–35 long, 2.0–2.7 times as long as tarsus; seta pl'' 22–30 long, about 0.8 times as long as pl'; seta pv' 8–9 long, about 0.6 times as long as tarsus; seta pv'' 5-6 long, 0.6–0.7 times as long as pv'; seta ft' 9–11 long, eupathidial, 0.7–0.8 times as long as tarsus; seta ft'' 10–13 long, eupathidial, 1.0–1.2 time as long as ft'; setal pair tc' 9 long, eupathidial, about as long as ft'; and tc'' 10-12 long, eupathidial; seta p' 9–11 long, eupathidial, about equal length of ft'; seta p'' 8–9 long,eupathidia, about equal length of ft'; seta s 4–7 long, as long as pv''; seta u' obscured; u'' 3–5 long; solenidion ω 6 long, expanded in mid length and then tapered distally. Claw a small hook.
Leg II 63 –74 long (Fig. 4).
Trochanter II 14–16 long, 0.5–0.6 times as long as wide; with 1 seta, v', 10–14 long, reaching or extending beyond base of trochanter.
Femur II 20–24 long, 1.6–1.7 times as long as wide, with 3 setae, d, l', v"; seta d 26–34 long, extending beyond base of d Ti; seta l' 10–18 long, 0.4–0.5 as long as d; seta v'' 14–16 long, about half as long as d.
Genu II 10 long, 0.8–0.9 times as long as wide; with 3 setae, l', l", v'; seta l' 12–17 long, 1.2–1.7 times as long as genu; seta l'' 18–22 long, 2.0–2.2 times as long as genu, longer than l'; seta v' 16–19 long, about as long as l'.
Tibia II 13–15 long, 1.2–1.3 times as long as wide; with 4 setae, d, l', v', v"; seta d 48–60 long, 0.7–0.9 times as long as leg II, the longest in leg II; seta l' 17–22 long, 0.7–0.4 times as long as d; seta v' 17–31 long, 1.4–1.7 times as long as l'; seta v'' 17–37 long, 1.6–2.0 times as long as l'; solenidion Φ absent.
Tarsus II 17–21 long, 2.0–2.3 times as long as wide; with 7 setae and 1 solenidion, tc", tc', pl", pv', pv", u', u", ω; seta tc' 18–26 long, about 0.7 times as long as tc"; seta tc'' 23–33 long, about 2.2 times as long as tarsus; seta pl'' 11–13 long, 0.5–0.7 as long as tc'; setal pair pv' 11–14 long, 1.0–1.2 times as long as pl"; pv'' 11-12 long, about time as long as pl"; seta u' 12–18 long, nearly half as long as tc"; and u'' 13–17 long, about as long as u' and pv"; solenidion ω 5–6 long, shorter than Ta I, thin throughout most of length and tapered in distal end. Claw not strongly built (relatively thin).
Leg III 104–117 long (Fig. 5), the longest of all legs.
Trichanter III 29–35 long, 1.40–1.6 times as long as wide; seta v' 15–22 long, longer than 1/2 length of segment (Fig. 5).
Femur III 35 –41 long, 2.1–2.9 times as long as wide; with 2 setae, d, v' (one specimen has 3 setae on one leg but 2 on the other); seta d 63–84 long, nearly 0.7 times as long as leg III, extending beyond tip of leg III (including claw), as long as d Ti; seta v' 15–25 long, 0.4–0.7 times as long as femur.
Genu III 13–16 long, 1.0–1.4 times as long as wide; with 3 setae, l', l", v'; setal pair l' 33–50 long, 2.1–3.7 times as long as genu, extending beyond mid-length of tarsus; seta l'' 21–29 long, 1.4–2.0 times as long as genu, extending beyond mid-length of tarsus; seta v' 17–21 long, 1.0–1.5 times as long as genu.
Tibia III 19–22 long, 1.8–2.0 times as long as wide; with 4 setae, d, l', v', v"; seta d 71–91 long, 0.7–0.8 times as long as leg III, long and thick, thickest in leg III, as long as d of Fe; seta l' 26–31 long, about 1/3 as long as d; seta v' 25–31 long, 0.8–1.0 times as long as l'; seta v'' 28–34 long, 0.9–1.3 times as long as l'.
Tarsus III 20–26 long, 2.4–2.6 times as long as wide; with 7 setae, tc", tc', pl", pv', pv", u', u"; seta tc' 38 long, 0.8–0.9 times as long as tarsus; seta tc'' 39–42 long, 1.6–1.8 times as long as tarsus; seta pl'' 14–20 long, 0.6–0.9 times as long as tarsus; seta pv' 15–17 long, 0.8–1.0 times as long as pl"; seta pv'' 13–16 long, about 0.9 times as long as pv"; seta u' 20–26 long, 0.5–0.7 times as long as tc'; seta u'' 10–18 long, 0.7–1.4 times as long as pv". Claw not strong.
Leg IV 86 –97 long (Fig. 6).
Trochanter IV 22–28 long, 1.0–1.3 times as long as wide; with 1 seta, v', 11–16 long (Fig. 6).
Femur IV 37 –42 long, 2.5–3.0 times as long as wide; ventral margin concave; with 2 setae, d, v'; seta d 65–82 long, the thickest and the longest in leg IV, 0.8–0.9 times as long as leg IV, 1.8–2.3 times as long as femur; seta v' 9–11 long, 0.2–0.4 times as long as femur.
Genu IV 13–15 long, 1.1–1.5 times as long as wide; with 2 setae, l", v'; seta l'' 11–22 long, 0.8–1.3 times as long as genu; v' 11–18 long.
Tibia IV 19–21 long, 1.8–2.1 times as long as wide; with 4 setae and 1 solenidion, d, l', v', v", ω; seta d 24–37 long, 1.2–1.4 times as long as tibia; seta l' 12–15 long, 0.4–0.5 times as long as d; v' 12–13 long, as long as l'; v'' 13–16 long, 1.0–1.1 times as long as v'; solenidion Φ 10–12 long, extending beyond base of claw, its base close to or at distal end of tibia.
Tarsus IV 5–7 long, about as long as wide; with 5 setae and 1 claw, tc', tc", pv', pv", u', claw; seta tc' 20–30 long, 3.2–6.0 times as long as tasus; seta tc'' 8–9 long, 1.1–1.7 times as long as tasus; seta pv' 5–8 long, as long as tarsus; seta pv'' 4–5 long, 0.5–0.8 slightly shorter than pv'; seta u' 5–12 long, 0.8–1.0 times as long as tc". Claw strong, finger-like.
Description of female (Figs 7–12)
Size. 216–294 long, 92–113 wide.
Gnathosoma. Gnathosomal body 39–43 long, 35–37 wide. Seta ch 1 8 long; seta ch 2 9–10 long Subcapitular setae 8–10 long. Palpal femoral seta (Fe) 14–19 long. Palpal genual seta 7–8 long. Palpal tibiotarsal seta 5–8 long. Palpal solenidion 2–3 long. Palpal supracoxal seta (e) slightly shorter than distance between setal bases of e and Fe.
Prodorsum. Prodorsal shield posterior margin convex, striate faintly. Setae v 1 16 –20 long. Setae v 2 12 –15 long. Setae sc 1 17–18 long; its capitular body 11–12 long, 7 wide. Setae sc 2 74–88 long, reaching and ofte extending beyond posterior margin of C plate. Distance between setae: v 1– v 2 12–14; v 2 – sc 2 11–13; v 1 – sc 2 19–21; sc 2– sc 2 43–46; v 2– v 1 / v 2 – sc 2 often 1, rarely>1.
Hysterosomal dorsum. Plate C posterior margin emarginated medially (Fig. 7). Setae c 1 20–24 long, 0.7–0.9 times as long as c 2. Setae c 2 24–29 long. Distances c 1– c 1 41–46, about as wide as sc 2– sc 2. Plate D posterior margin concave in middle slightly (not straight). Setae d 21–30 long. Distance d–d 29–40. Plate EF posterior margin straight or slightlyconvex in middle. Setae e 9–16 long. Setae f 43–47 long, 0.5–0.6 times as long as sc 2. Distance f–f 19–24, 0.6–0.8 times as wide as d–d. Setae h 1 25–29 long. Setae h 2 9–11 long. Distance h 1– h 1 15–19 wide, 0.7– 0.8 times as wide as f–f. Setae ps 1 minute, less than half distance ps 1– ps 1. Setae ps 2 absent. Setae ps 3 absent.
Idiosomal venter. Apodeme 1 just reaching, sometimes slightly extending beyond base of trochanter I; pair forming an angle of>90° medially. Apodeme 2 curved abruptly close to posterolateral angle of trochanter I, and weakened medially, not connecting with prosternal apodeme. Prosternal apodeme strong, extending posteriorly beyong level of insertions of setae 2a. Setae 1a 16–18 long, at most as long as 1a–1a (16–20). Setae 1b 14–15 long, close to apodeme 2. Setae 2a 29–31 long. Setae 2b 16–20 long. Distance 1b–1b 40–43, 2a–2a 16–19, 0.8–1.0 times as wide as 1a–1a, 2b–2b 40–41. Apodeme 3 shorter than apodeme 4. Apedeme 5 short and weaker in distal end. Setae 3a 23–27 long. Distance 3a–3a 18–20, 1.0–1.2 times as wide as 2a–2a. Setae 3b 29–33 long, obviously longer than 3a. Distance 3b–3b 35–41. Distance 3a–3b 26–29. Distance 3a–3c 18–21. Distance 3b–3c 16–21. Setae 3c 20–22 long. Distance 3c–3c 49–52. Setae 4a 16–30 long. Distance 32–39, about 0.8–0.9 times as wide as 3b–3b. Setae 4b 16–22 long. Distance 4b–4b 10–16, 0.3– 0.5 times as wide as 4a–4a. Tegula subtriangular, posterior margin slightly convex (Fig. 8). Setae ag 16–20 long about twice distance ag–ag (8–10).
Legs (Figs 9–12).
Leg I 70 –73 long (excluding claw) (Fig. 9).
Trochanter I 15–17 long, about 0.9 times as long as wide, with 1 seta, v'; 7–8 long, extending beyond base of segment.
Femur I 20–21 long, nearly 1.3 times as long as wide; with 4 setae d, l', l", v"; seta d 14–18 long, extending beyond base of l" Ge; seta l' slgihtly longer than v' TrI; seta l'' 18-19 long, often longer than d and reaching base of l" Ge; seta v'' 46–59 long, extending beyond distal end of tarsus, over 0.8 times as long as leg I, the longest in leg I. Genu I 11–14 long, nearly as long as wide; with 4 setae, l', l", v', v"; seta l' 36–37 long, 2.6–3.4 times as long as genu, nearly reaching distal end of tarsus and the longest in segment; seta l'' 31-34 long, 0.8-0.9 times as long as l'; seta v' 16–17 long, 0.4–0.5 times as long as l'; seta v'' 17 long, as long as v '.
Tibia I 20–12 long, nearly 1.5–1.6 times as long as wide; with 6 setae and 2 solenidia, d, l', l", v', v", k, 2φ; seta d 55–59 long, 2.8–3.0 times as long as tibia and 0.8 times as long as leg I; seta l' and seta l'' 22–28 long, 0.4–0.5 times as long as d; seta v' 20–25 long, 1.0–1.2 times as long as tibia; 1.1–15 times as long as v' of genu; seta v'' 15- 20 long, about 0.7 times as long as l '; microseta k 8 long, about 0.9–1.0 times as long as solenidion 1; solenidion Φ1 8–9 long, thin to expanded distally; solenidion Φ2 2 long.
Tarsus I 14–16 long, 1.6–1.7 times as long as wide; with 13 setae and 1 solenidion, pl', pl", pv', pv", ft ', ft", tc', tc", p', p", s, u', u", ω; seta pl' 39–47 long, about 2.8–3.3 times as long as tarsus, the longest in tarsus, and 0.6 times as long as leg I; seta pl'' 33–41 long, 0.8–0.9 times as long as pl '; seta pv' 13–16 long, about 0.3–0.5 times as long as pl"; seta pv'' 7–10 long, 0.4 0.8 times as long as pv'; seta ft' 11–13 long, eupathidium, 0.7–0.8 times as long as tarsus; seta ft'' 10–15 long, eupathidium, about 1.2 times as long as ft'; seta tc' eupathidium, about as long as ft'; seta tc'' 9-14 long, eupathidium, 0.8–1.2 times as long as tc'; seta p' eupathidium, about as long as tc '; seta p'' eupathidium, 0.7–1.0 times as long as tc"; seta s 9–11 long, 0.6 times as long as tarsus; seta u' 2–4 long; u'' 3–4 long; solenidion ω 5–6 long, slightly expanded and distally tapered. Claw strong.
Leg II 65 –73 long (Fig. 10).
Trochanter II subtriangular,18.5 long, nearly 1.3 times as long as wide; with 1 seta, v' 13 long, extending beyond base of segment.
Femur II 19–20 long, nearly 1.5–1.7 times as long as wide; with 3 setae, d, l', v"; seta d 17–20 long, just extending beyond distal end of genu, nearly 0.9 times or as long as femur, obviously longer than l' and v'; seta l' 10–14 long, over 0.6 times as long as d, nearly reaching base of l' Ge; seta v'' 12–15 long, 1.1 times as long as l '.
Genu II 11–14 long, 1.0–1.2 times as long as wide; with 3 setae l', l", v'; seta l' 19–22 long, nearly 1.5–1.7 times as long as genu; seta l'' 16-25 long; seta v' 16–22 long, about as long as l".
Tibia II 13–16 long, over 1.4–1.6 times as long as wide; with 4 setae and 1 solenidion, d, l', v', v", φ; seta d 31– 43 long, 1.9–3.3 times as long as tibia, as long as v '; seta l' 16–25 long, about 0.3–0.7 times as long as d; seta v' 24– 43 long, as long as d; seta v'' 38–41 long; solenidion Φ 2–3 long, thin.
Tarsus II 17–22 long, 2.2–2.7 times as long as wide; with 7 setae and 1 solenidion, tc", tc', pl", pv', pv", u', u", ω; seta tc' 14–17 long, 0.3–0.4 times as long as tc"; seta tc'' 40–48 long, nearly 2.3–2.5 times as long as tarsus, 0.5– 0.7 times as long as leg II; seta pl'' 11–15 long, about 1/4 as long as tc"; seta pv' 14–17 long, 0.8–1.2 as long as tc'; seta pv'' 16–21 long, nearly 1.0–11 times as long as tc '; seta u' 16–21 long, nearly 1.0–11 times as long as tc '; seta u'' 11–13 long; solenidion ω 3–4 long, expanded slightly.
Leg III 88 –92 long (Fig. 11).
Trichanter III 25–28 long, 1.8–2.4 times as long as wide; with 1 seta, v' 15–22 long, about 0.6–0.8 times as long as trochanter, extending beyond base of Tr III.
Femur III 23–25 long, 2.3–2.4 times as long as wide; with 2 setae, d, v'; seta d subditally located, 20–25 long, 0.7–0.8 times as long as femur, extending beyond base of tibia; seta v' 20–24 long, about as long as d.
Genu III 12–13 long, 1.2–1.4 times as long as wide; with 3 setae, l', l", v'; seta l' 21–28 long, extending beyond distal end of tibia, over 1.7–2.5 times as long as genu; seta l'' 21–28 long, extending beyond distal end of tibia, over 1.7–2.5 times as long as genu; seta v' 15–21 long.
Tibia III 13–20 long, 1.5–1.9 times as long as wide; with 4 setae and 1 solenidion, d, l', v', v", φ; seta d 42–48 long, 2.4–2.8 as long as tibia, about half as long as leg III; seta l' 26–30 long, 0.5–0.7 times as long as d; seta v' 33 long, nearly 1.9–2.1 times as long as tibia,1.1–1.4 times as long as l'; seta v'' 36 long, about as long as v'; solenidion Φ 2–3 long.
Tarsus III 21 long, about 2.7 times as long as wide; with 7 setae, tc", tc', pl", pv', pv", u', u"; seta tc' 17 long, about 1/3 as long as tc"; seta tc'' 45–52 long, 0.5–0.6 times as long as leg III, 2.0–2.4 times as long as tarsus; seta pl'' 11–12 long, about 0.7–08 times as long as tc'; seta pv' 17–20 long, 1.0–1.2 times as long as tc'; seta pv'' 15–17 long, about 0.9 times as long as tc'; seta u' 20–25 long, 1.1–1.6 times as long as pv'; seta u'' 14 long, about as long as pv".
Leg IV 97 –106 (Fig. 12).
Trochanter IV 22–25 long, nearly 1.3–1.8 times as long as wide; with 1 seta, v' 18–25 long, 0.8–0.9 times as long as trochanter.
Femur IV 29–32 long, 1.8–3.6 times as long as wide; with 2 setae, d, v'; seta d 25 long, about 0.8 times as long as femur, just reaching base of tibia; seta v' 21–27 long, 1.1–1.3 times as long as v' Tr.
Genu IV 13 long, 1.3–1.5 times as long as wide; with 2 setae, l", v'; seta l'' 20–28 long, 1.7–2.0 times as long as genu; v' 17–27 long, 0.7–1.3 times as long as l".
Tibia IV 18–20 long, about 1.8–1.9 times as long as wide; with 4 setae, d, l', v', v"; seta d 43–58 long, extending beyond tip of leg, 2.4–3.0 times as long as tibia, about half as long as leg IV; seta l' 29–32 long, 0.5–0.7 times as long as d; v' 25–32 long, 0.5–0.6 times as long as d; v'' 27–31 long, nearly as long as l'.
Tarsus IV 21–25 long, 2.6–3.4 times as long as wide; with 6 setae, tc", tc', pl", pv', pv", u'; seta tc' 24–27 long, about 0.2 times as long as tc", 1.0–1.2 times as long as tarsus '; seta tc'' 112–138 long, about 1.1–1.4 times as long as leg, the longest in leg I, 4.6–6.6 times as long as tarsus; seta pl'' 14–16 long, 0.6–0.7 times as long as tc'; seta pv' 22–27 long, 0.9–1.3 times as long as tc'; seta pv'' 24–32 long, 0.9–1.3 times as long as pv'; seta u' 29–36 long, 1.0– 1.2 times as long as pv".
Specimens examined
Holotype male, collected on 7 June 1999 from adults of Sinoxylon japonicum Lesne on Diospyros kaki by Changxin XU in Lianhe Viliage, Ji County, Tianjing, China (sample number as 57.11.1.xiong-beijing-1 1); paratype female and 6 males, same data as holotype. Paratypes 8 males (slide id 1993#1, 2, 3), collected on 22 June 1993, Zunhua County, Hebei, China, parasitic on Phloeosinus hopehi Schedl on Biata orientalis.
Paratypes 1 male and 1 female, collected from Phloeosinus hopehi in Beijing, China by Liong 2 in 2003 (slides 45644, 45650)
Holotype and some paratypes deposited in IZCAS, one paratype each in NZAC and BMNH.
Etymology
The specific name is from Chinese words: zhonghua (China) and jia (beetle)—referring to beetles being the main host of this parasitic species found in China; used as a noun in apposition.
Remarks
This new species was previously identified by Dr John Moser as P. tritici based on material from China submitted by Mr Deping Xiong (e.g. Zhang et al. 2008; see also footnote 1). Our detailed studies of morphology revealed numerous features in both adult females and males that show differences between this new species, the P. tritici from the USA and P. turkeyensis sp. nov. (see key to species above). In addition, femur IV (female) of P. zhonghuajia sp. nov (L/W ratio 2.7-3.4) is slender than that in P. tritici (2.1–2.5).
Genetically, the new species differs from P. tritici in sequences of tox34 gene by 11.25% (Han et al. 2008).
We also found that biologically, the new species does not parasitize the larvae of Plodia interpunctella (Hübner), whereas P. tritici is a natural enemy of that species.
Hosts and distribution
In addition to Sinoxylon japonicum and Phloeosinus hopehi, this species was also found on Dermestidae, Buprestidae, Stenhomalus taiwanus, Phloeosinus sp., Cryptolestes turcicus, Scolytus japonicus, S. seulensis.
In laboratory rearing for mass-releases in the field, this species also feeds on the following: Coleoptera (Lasioderma serricorne Fabricius, Martianus dermestoides, Sitophilus zeamais Motschulsky, Sitophilus oryzae, Cryptorrhynchus lapathi L., Semanotus bifasciatus Motschulsky, Dendroctonus valens LeConte, Brontispa longissima Gestro, Tenebrio molitor, Scarabaeidae, Dermestes spp.), Lepidoptera (Helicoverpa armigera Hubner, Conopia rhododendri Beut, Hyphantria cunea Drury, Cydia trasias Meyrick, Galleria mellonella, Zeuzera leuconotum, Sitotroga cerealella Oliver) and Hymenoptera (Formicidae, Chalcididae, Apidae).
This species is widely distributed in Hebei, Shandong, Tianjing and Beijing.
description: Published as part of Yu, Lichen, Zhang, Zhi-Qiang & He, Limin, 2010, Two new species of Pyemotes closely related to P. tritici (Acari: Pyemotidae), pp. 1-40 in Zootaxa 2723 on pages 3-15, DOI: 10.5281/zenodo.199922