Lestes regina Théobald, 1937

(Figs 1–2)

Material. Specimen UBGD 32320 (imprint, a nearly complete damselfly with all legs and wings preserved, sex unknown), stored at the Université de Bourgogne, Géologie, Dijon, France; counterimprint in Coll. Benjamin Latutrie.

Description. Body black, wings hyaline with pterostigma dark brown. Head deformed as in all fossil Lestidae, with mouthparts anteriorly projected, 2.6 mm long, and 3.5 mm wide. Thorax 6.0 mm long, and 3.4 mm wide. Fore- and hindwing nearly identical, in particular discoidal cells of same shapes and widths; fore wing 19.9 mm long, 4.5 mm wide, ratio L/ W 4.4, width at nodus level 3.2 mm; pterostigma 2.3 mm long, and 0.5 mm wide; distance from base to arculus 3.7 mm, from arculus to nodus 3.7 mm, from nodus to pterostigma 9.8 mm, and from subnodus to base of RP2 2.8 mm; oblique vein ‘O’ two cells distal of base of RP2; a supplementary row of 5–6 cells between MP and CuA. Abdomen 27.9 mm long, 1.3 mm wide; cerci present but poorly preserved.