The Palaeorehniidae (Orthoptera, Ensifera, “ Zeuneropterinae ”), and new taxa from the early Eocene Okanagan Highlands, western North America Author Archibald, S. Bruce Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V 5 A 1 S 6, Canada Museum of Comparative Zoology, 26 Oxford Street, Cambridge, Massachusetts, 02138, United States of America & Royal British Columbia Museum, 675 Belleville Street, Victoria, British Columbia, V 8 W 9 W 2, Canada Author Gu, Jun-Jie College of Agronomy, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China Author Mathewes, Rolf W. 0000-0001-7637-199X Department of Biological Sciences, Simon Fraser University, 8888 University Drive, Burnaby, British Columbia, V 5 A 1 S 6, Canada Museum of Comparative Zoology, 26 Oxford Street, Cambridge, Massachusetts, 02138, United States of America & r _ mathewes @ sfu. ca; https: // orcid. org / 0000 - 0001 - 7637 - 199 X r_mathewes@sfu.ca text Zootaxa 2022 2022-02-22 5100 4 559 572 journal article 20508 10.11646/zootaxa.5100.4.6 87bd8764-19cb-4bac-ac4a-9d131b540ae4 1175-5326 6225002 AA6568D3-FEC8-426E-8A47-9A309EC16862 Ypopteron nicola new species ( Fig. 4 ) Haglidae , Prophalangopsinae sp.: Archibald and Mathewes 2000: 1443 , Fig. 3 . FIGURE 4. Ypopteron nicola , new genus and species , holotype Q-1010, Quilchena: A, photograph; B, drawing. Scale bar = 1 cm. Diagnosis. As for genus. Description. Holotype tegmen. As in diagnosis and: about 6.5 cm long as preserved (small portion of basalmost region missing); membrane apparently infuscate throughout; RA, RP branch distal branching of MA, MP; RP branching eight times, one branch branched again near margin; MA, MP branch at level of CuA joining CuPaα, distally parallel with branches of RP; CuA+CuPaα with five branches preserved, probably total; no stridulatory file detected on CuPb; simple crossveins throughout proximal posterior portion; zigzag intercalated crossveins forming pentagons in apical portion of overlapping wing between branches of RP. Type specimen. Holotype . Q-1010 , part (no counterpart), two or more wings, two almost perfectly overlapping. The anterior regions (RA, stem of RP, ScA, SCP and precostal region) are missing or covered by portions of one or more wing(s); labelled Ypopteron nicola Archibald, Gu, and Mathewes , holotype; collected by Jurgen Mathewes , 1989 ; deposited in the collections of Simon Fraser University. Locality and age. Quilchena, British Columbia ; Coldwater Beds; mid Ypresian, 51.5 ± 0.4 Ma. old. Etymology. The specific epithet refers to the Nicola Valley, where the Quilchena locality is located.