FIGURE 1. Psectrosciara makrochaites Amorim and Greenwalt sp. n., female, USNM 625934 and P. crassieton Amorim and Greenwalt sp. n., female, USNM 625035. A, P. makrochaites, habitus; B, Head and antennae; C, Wing, veins M1, M2 and CuA; black arrows denote long abdominal hairs; D, Microsetae on wing surface; E, Legs. Short arrow denotes fore tibia not produced beyond base of tarsus, long arrow denotes apex of hind tibia not club-shaped, swollen at apex; F, Genitalia, spermatheca; G, P. crassieton, habitus. Scale bars equal 1.0 mm (A, G), 0.5 mm (B), 0.3 mm (C), and 0.2 mm (D-F).

Published as part of Greenwalt, Dale E., Amorim, Dalton De Souza, Hauser, Martin, Kerr, Peter H., Fitzgerald, Scott J., Winterton, Shaun L., Cumming, Jeffrey M., Evenhuis, Neal L. & Sinclair, Bradley J., 2022, Diptera of the Middle Eocene Kishenehn Formation II, pp. 1-52 in Palaeontologia Electronica (a22) 25 (2) on page 5, DOI: 10.26879/1215, http://zenodo.org/record/12656008