Silphitrombium elateridum, Tashakor, Samaneh, Hajiqanbar, Hamidreza & Saboori, Alireza, 2013
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publication ID |
https://doi.org/ 10.11646/zootaxa.3736.5.2 |
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publication LSID |
lsid:zoobank.org:pub:20F76166-993F-4AC1-8F68-58D10E6BE4BF |
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DOI |
https://doi.org/10.5281/zenodo.5627648 |
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persistent identifier |
https://treatment.plazi.org/id/0380D014-1C63-FF9B-37D7-FBEF1532F83C |
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treatment provided by |
Plazi |
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scientific name |
Silphitrombium elateridum |
| status |
sp. nov. |
Silphitrombium elateridum sp. nov.
( Figs. 1–7 View FIGURE 1 View FIGURE 2 )
Diagnosis. Larvae with the following the features (n= 2): fnTi 6-5-5; fnTa 17-13-13; fζ: 2-0-0; SD 112; Leg I 257– 261; Leg II 239–240; Leg III 264–274; IP 760–775.
Type. The holotype (HH 20110210-1) and one paratype (HH 20110210-2) were collected from Heteroderes heydeni Reitter, 1891 (Elateridae) , host captured using a light trap on 10 February 2011, by H. Hajiqanbar in Raask region, Sarbaz city, Sistan and Baluchestan province, Iran. The parasitic larvae were attached on the abdominal tergites beneath the elytra. The holotype and host insect are deposited in the Acarological Collection, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran. The paratype is deposited in the Acarological Collection, Jalal Afshar Zoological Museum, Faculty of Agriculture, University of Tehran, Karaj, Iran.
Description (n = 2). Milky white colour when alive. Idiosoma oval, 293–400 long, 168–251 wide, dorsal surface with a scutum, a scutellum, a pair of ocular sclerite and 32 dorsal setae ( Fig. 1 View FIGURE 1 ). Scutum with convex anterior margin and posterior margin convex in lateral parts and concave in median part; AM setae barbed; AL and PL setae bifid; PL setae anterolateral to sensillary setae (S); AL setae between AM and PL setae; S long, slender, with only one setule in distal half. Scutum and scutellum striated and punctate. Scutellum wider than long, anterior and posterior margins convex, with two bifid setae and a nude seta in posterolateral margin abnormally in holotype ( Fig. 3).
A pair of punctate eye platelets posterolateral to scutum. Eye plate 28 long and 16 wide. Anterior eye 11, posterior one 9 in diameter. All dorsal setae barbed, blunted and on platelets ( Fig. 1 View FIGURE 1 ).
Ventral opisthosoma with 39 barbed setae posterior to coxae III and an anus. All ventral setae on platelets ( Fig. 2 View FIGURE 2 ). NDV= 32+39= 71.
Podosoma with a pair of intercoxal setae (3 a), barbed, 39 long. Coxae I–III punctate, right coxa I with 4 bifid setae and left one with 3 bifid setae; setae 1b1 8 long; seta 1b2 10 long; seta 1b3 8 long and seta 1 b 4 8 long. Coxa II with 2 bifid setae (Cx II in paratype with 3 bifid setae) and a barbed seta; seta 2b1 8 long; seta 2b2 9 long; seta 2b3 50 long and seta 2b4 51 long. Coxa III with 2 bifid setae; setae 3b1 and 3b2 8 long. Urstigma oval and attached to coxa I ( Fig. 2 View FIGURE 2 ).
Gnathosoma 78 long and 80 wide. Palpal trochanter, femur and genu without seta. Palpal tibia with 3 nude setae and bifid, divergent, blunt-ended claw. Palptarsus with 5 smooth setae, one barbed seta and a solenidion. fPp: 0-0-0-NNN2-BNNNNNω. Chelicerae robust. Cheliceral body 114 long and 40 wide; cheliceral blade sickle-shaped with a subterminal tooth, 10 long. Subcapitulum with nude adoral setae (cs), 10 long and bifid subcapitular setae (bs), 11 long ( Fig. 4 View FIGURE 4 ).
Leg segmentation formula: 6-6-6. Tarsi with two falciform lateral claws and a long and slender empodium. Tarsal claw formula 3-3-3.
Leg setal formula: Leg I: Ta-1ω, 1ε, 2ζ, 17n; Ti-2φ, 1κ, 6n; Ge-2σ, 1κ, 4n; Fe-6n; Tr- 1n. Leg II: Ta-1ω, 1ε, 13n; Ti-2φ, 5n; Ge-1σ, 2n; Fe-4n; Tr- 1n. Leg III: Ta-13n; Ti-5n; Ge-1σ, 2n; Fe-4n; Tr-1n ( Figs 5-7 View FIGURES 5 - 7 ).
Measurements are given in Table 1 View TABLE 1 .
Etymology. The new species is named “ elateridum ” referring to its host family ( Elateridae ).
Remarks. Silphitrombium elateridum sp. nov. differs from S. furculigerum in the longer AM (34–36 vs. 10– 11), AA (46–50 vs. 5), PW (60–61 vs. 51–54), SD (112–113 vs. 92–100), W (95–96 vs. 81–85), ASB (93–97 vs. 70–84), LSS (91–95 vs. 84–86), HS (45–50 vs. 42–45), SB (57 vs. 33–34), Ta I (63 vs. 51–54), Ta II (56 vs. 46– 48), Ta III (64–68 vs. 57–59), Ti I (37 vs. 30–33), Ti III (43–45 vs. 37–39), Fe I (47–49 vs. 39–41), Fe II (43–45 vs. 36–38), Fe III (51–52 vs. 35–39) and in the shorter AP (13–14 vs. 18–21), SS (35–36 vs. 47–48) and number of normal setae on Cx I (3–4 vs. 5), Cx III (2 vs. 3), Ta I (17 vs. 15), Ta II (13 vs. 15), fD (32–34 vs. 29), number of eupathidia on Ta I (2 vs. 3), palpal tibia (3 vs. 2), scutum (striated vs. smooth).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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