Paraleptophlebia falcula Traver 1934

• Main Authors: Tiunova, Tatiana M., Kluge, Nikita
• Format: Other/Unknown Material
• Language: unknown
• Published: 2016
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Ephemeroptera; Leptophlebiidae; Paraleptophlebia; Paraleptophlebia falcula; Harper; Sakha; Vorkuta; Yakutia
• Online Access: https://zenodo.org/record/6075464; https://doi.org/10.5281/zenodo.6075464

Paraleptophlebia falcula Traver 1934 (Figs 1–37) Paraleptophlebia falcula Traver 1934: 190 (male imago); Needham et al. 1935: 520 (male imago); Harper & Harper 1986: 1465 (male imago). Material. RUSSIAN FEDERATION: AMURSKAYA OBLAST’: Zeya River basin: Bolshaya Makcha river, bridge at highway Tygda – Zeya, 28.VI. 2013, Coll. T. Tiunova: 1 ♂ im., 1 2 ♀im. (reared from larvae); same place, 28.VI. 2015, coll. T. Tiunova: 1 ♂ im., 3 ♀im. (reared from larvae), 3 larvae; Allinga river (river system Allinga- Tynda-Dep-Zeya), low bridge at highway Zeya – Snezhnogorsk, 14.VII. 2012, coll. T. Tiunova: 1 ♂ im., 1 ♀im. (reared from larvae), 8 larvae; same place, 24.VII. 2014, coll. T. Tiunova: 10 larvae; Allinga river near mouth, 29– 30.VI. 2015, coll. T. Tiunova: 5 ♂ im., 3 ♀im. (reared from larvae), 11 larvae; Amur river basin, Talali river, upper reaches, about 5 km above Gonzha village, 25.VIII. 2004, coll. T. Tiunova: 2 ♂ im., 3 ♀im (IBSS). TRANSBAIKAL KRAY, Chasovinka river (tributary of Shilka river) about 300 m above mouth, 24.VII. 2005, coll. T. Tiunova: 2 ♂ im., 3 ♀im. (reared from larvae), 2 L (IBSS). SAKHA YAKUTIA, Chulman river basin, Amnunnykta river, about 500 m upper mouth, 28.VII. 2010, coll. T. Tiunova: 1 ♂ subim., 1 larva (IBSS). KOMI REPUBLIC, Vorkuta: Ayach Yaga river (tributary of Vorkuta river), 4.VIII. 1958, coll. Chernykh: 3 ♂ im.; Sabrey- Yaga river, coll. Iordansky: 1 ♂ im. (only styliger on slide made by O. Chernova) (ZIN). Description. Mature larva. Length (mm): body 5.3–6.8; cerci 4.6–8.2. Head: Brown with occipit light brown and pale spots around lateral ocelli and anterior to median ocellus (cuticular coloration). Antennae white. Labrum dark brown; dorsal surface covered with long hair-like setae; anterior margin with shallow emargination and several rows of stout setae (Fig. 1). Mandibles dark brown, with broad band extending parallel to outer edge (Figs 2–3). Left mandible with incisor terminated by 4 denticles and kinetodontium terminated by 3 denticles (Fig. 4), right mandible with ...