Paradysagrion sosbyae, Archibald & Cannings, 2024

Archibald, S. Bruce & Cannings, Robert A., 2024, Three new Odonata species (cf. Cephalozygoptera and cf. Dysagrionidae) from the early Eocene Okanagan Highlands of British Columbia, Canada, and Washington, United States of America, The Canadian Entomologist (e 35) 156, pp. 1-9 : 6

Paradysagrion sosbyae sp. nov.

ZooBank Registration number: urn:lsid:zoobank.org:act:AC2D2DFA-47B2–46C6–8EE3-B564791E4C72

Figure 2

Type material. Holotype SR 23-005 - 003 A and B (part and counterpart) by monotypy. The well-preserved distal half of a wing found by Emmalin Sosby, 28 May 2023, at exposure B4131 of the Tom Thumb Tuff Member of the Klondike Mountain Formation in the village of Republic , Washington. Housed in the Stonerose Interpretive Center collections, Republic, Washington.

Diagnosis. See genus diagnosis.

Description. Holotype wing. As in genus diagnosis and: dark, hourglass-shaped fascia in pterostigma region; postnodal, postsubnodal crossveins not aligned. C–RA space apical to pterostigma close to half the width of adjacent RA–RP1 space.

Etymology. The specific epithet is derived from the surname of Emmalin Sosby, who found and donated the fossil, in recognition of her contribution. Gender, feminine.

Figures

Figure 2. Paradysagrion sosbyae gen. and sp. nov. holotype SR 23-005-003: A, photograph of the part (A-side); B, drawing from the part and counterpart. Both to scale; the scalebar is 5 mm.