Salganea quinquedentata
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Genus: Salganea
Name
Salganea quinquedentata Wang, Shi, Wang & Che, 2014 sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Description
Male. Body dark reddish brown, darker or black on caudal segments (Fig. 1). Eyes brown and ocelli yellowish. Antennae, upper lip, mandible, labial palpi and maxillary palpomeres brown. Legs reddish brown with coxae and trochanter brown. Abdominal sternites reddish brown with the middle of anterior three sternites brown (Fig. 2). Vertex and face punctate, the former exposed. Anterior margin of pronotum smooth, or weakly concave; anterior half of pronotum slightly depressed, the floor punctured, denser laterally; posterior half punctured sparsely and almost evenly, without tubercles (Fig. 21). Tegmina and wings well developed, extending beyond end of abdomen, sometimes mutilated (Fig. 1). Radius of tegmen with a long apical posterior branch, which has accessory branches, or apical posterior branch absent; median vein is simple or branched (Figs 80–81). Radial vein of hind wing with posterior branch medially; median vein branched terminally or not; cubitus with 4–5 complete and 5–6 incomplete branches (Figs 89–90). Anterior ventral margin of front femur with 1–3 spines and a small distal spine, hind margin with a large distal spine. Abdominal tergites punctured, the punctures denser laterally and caudally; T5–T7 with gradually increased holes on the anterolateral corners, minute sparse hairs sometimes visible on the surfaces; caudal angles of T6 weakly explored; lateral margins of T7 slightly uneven, caudal angles oblique, large and tapering (Fig. 22). Abdominal sternites densely punctured, the punctations larger and denser caudally; hind margin of the last sternite entire (Fig. 23). Supra-anal plate densely punctured, coarser than abdominal tergites; hind margin with 5 subacute and symmetrically slender teeth, which are deflexed and widely spaced, the largest one situated in the middle; teeth with margin smooth or small acute spines between the teeth, sometimes teeth fused together; lateral angles larger than the medial tooth. Cercus without setae dorsally, ventral surface convex with dense hairs (Fig. 24). Anterior margin of subgenital plate concave, anterolateral corners rounded; lateral margins concave (Fig. 25). Male genitalia. Genital phallomere L1 reduced, only a short lobe remaining, or absent (Fig. 26); L2d tapering at apex, with a relatively large lateral lobe (Fig. 27); R2 weakly curved, hook-shaped (Fig. 28).
Female. Essentially similar to male, difficult to distinguish externally.
Nymph. Body yellowish brown and eyes dark. Hind margin of the supra-anal plate with 5 contiguous and triangular teeth, sometimes separated by tiny tines. Remaining external morphological features are characteristic of the adult (Figs 3–4).
Measurements
Male, 3th–5th maxillary segments: 0.57–0.67/0.48–0.87/0.61–1.00mm; pronotum: length × width: 5.2–5.5 × 8.8–9.3mm; tegmen: 24.1–25.0mm; body length: 26.9–29.5mm; fore leg: coxae: 2.29–2.51mm, trochanter: 1.46–1.79mm, femur: 3.24–3.85mm, tibia: 1.19–2.61mm, 1st–5th tarsus: 0.57–0.69/0.20–0.24/0.19–0.24/0.28–0.32/1.00–1.28mm; mid leg: coxae: 2.48–2.90mm, trochanter: 2.33–2.58mm, femur: 5.01–5.17mm, tibia: 3.84–4.06mm, 1st–5th tarsus: 1.03–1.12/0.25–0.28/0.24–0.27/0.33–0.35/1.00–1.24mm; hind leg: coxae: 2.14–2.53mm, trochanter: 2.70–2.75mm, femur: 5.23–5.81mm, tibia: 5.47–6.14mm, 1st–5th tarsus: 1.18–1.22/0.27–0.29/0.27–0.31/0.27–0.30/1.07–1.15mm; cerci: 0.64–0.97mm.
Female, 3th–5th maxillary segments: 0.73–0.79/0.84–0.85/0.93–1.08mm; pronotum: length × width: 5.0 × 8.8–9.5mm; body length: 26.5–27.5mm; fore leg: coxae: 2.17–2.29mm, trochanter: 0.61–2.30mm, femur: 1.94–2.07mm, tibia: 2.16–2.64mm, 1st–5th tarsus: 0.63–0.80/0.24–0.28/0.23–0.28/0.32–0.27/0.91–1.20mm; mid leg: coxae: 2.81–2.89mm, trochanter: 2.55–2.87mm, femur: 5.31–5.76mm, tibia: 4.52–4.60mm, 1st–5th tarsus: 1.22–1.23/0.28–0.30/0.25–0.27/0.32–0.34/1.06–1.45mm; hind leg: coxae: 2.06–2.28mm, trochanter: 2.53–2.92mm, femur: 5.00–6.23mm, tibia: 5.47–7.32mm, 1st–5th tarsus: 1.36/0.35/0.29/0.36/1.39mm; cerci: 0.87–0.91mm.
Material examined
Holotype, male, China: Hainan Prov., Lingshui County, Mt. Diaoluoshan, 18°43.462'N, 104°52.105'E, 4 May 2013, coll. Yan Shi and Shunhua Gui (SWU). Paratypes, two males, three females and six nymphs, same data as holotype (SWU); one female, Hainan Prov., Mt. Wuzhishan, 2 May 1964, coll. Yuliang Luo (SWU).
Remarks
This species is assigned into the Salganea nigrita species group by the forked L2d. It resembles Salganea incerta, but can be distinguished by the following characteristics: 1) anterior margin of pronotum entire and without tubercles, indented and with tubercles in Salganea incerta; 2) the floor of pronotum without tubercles, with tubercles in Salganea incerta; 3) hind margin of seventh abdominal sternite entire, the latter with a medial excision; 4) hind margin of supra-anal plate with 5 distinct, subacute and slender teeth, with 9-13 triangular teeth in Salganea incerta.
Etymology
The specific epithet is derived from the Latin word “quinquedentatus”, referring to the posterior margin of supra-anal plate with 5 distinct and slender teeth.
Original Description
- Wang, X; Shi, Y; Wang, Z; Che, Y; 2014: Revision of the genus Salganea Stål (Blattodea, Blaberidae, Panesthiinae) from China, with descriptions of three new species ZooKeys, 412: 59-87. doi
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