Tillyardembiids from the Lower Permian of Chekarda. (a,b,c,e) PIN 1700/666, general view (b) and fluorescent photographs of body areas with pollen (a,e,c); (d,f) PIN 1700/984, general view and end of abdomen with semi-ejected gut content consisting of pollen; (g–j) PIN 4987/669, general view (i), fluorescent photographs of body areas with pollen (h,j) and SEM photograph of tergal area showing rows of hairs (g); (k) artistic reconstruction of female Tillyardembia feeding on Pechorostrobus pollen organ (Rufloriaceae), with another female on Bardocarpus cone in the background, artist A. Atuchin. Scale bars = 5 mm (b), 2 mm (i,d), 1 mm (f), 200 μm (a,c,g,j), 100 µm (h). Roman numbers indicate abdominal segments; pt, prothorax; ms, mesothorax; mt, metathorax.