Ypopteron nicola Archibald & Gu & Mathewes 2022, new species

Ypopteron nicola new species (Fig. 4) Haglidae, Prophalangopsinae sp.: Archibald and Mathewes 2000: 1443, Fig. 3. 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 CuPa��, distally parallel with branches of RP; CuA+CuPa�� 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.
Published as part of Archibald, S. Bruce, Gu, Jun-Jie & Mathewes, Rolf W., 2022, The Palaeorehniidae (Orthoptera, Ensifera, " Zeuneropterinae "), and new taxa from the early Eocene Okanagan Highlands, western North America, pp. 559-572 in Zootaxa 5100 (4) on pages 566-567, DOI: 10.11646/zootaxa.5100.4.6, http://zenodo.org/record/6225002
{"references":["Archibald, S. B. & Mathewes, R. W. (2000) Early Eocene insects from Quilchena, British Columbia, and their paleoclimatic implications. Canadian Journal of Zoology, 78, 1441 - 1462. https: // doi. org / 10.1139 / z 00 - 070"]}