Fig. 1

Nebesna sotnia gen. et sp. nov. (A–F), holotype, male imago; Eocene Baltic amber [NMNH NASU, catalogue number IKOFZ-Ib 8921, Kyiv, Ukraine]. (A) enlarged total lateral view from left side; (B) entire piece of amber with embedded holotype in lateral view from right side; (C) head and thorax in lateral view from right side; (D) head in frontal view; (E) head and thorax in lateral view from left side; (F) thorax in ventrolateral view from right side. Scale bars 1 mm (A–E), 0.5 mm (F). Abbreviations. Head: af—antennal flagellum; e—eyes; ocl—lateral ocellus; pd—pedicle; sp—scape. Thorax: lff—left forefemur; lmcx—left middle coxa; lmf—left middle femur; lmtr—left middle trochanter; PN—pronotum; MT—metanotum; Mesothorax: AES—anepisternum; BS—basisternum; FSi—furcasternal impression; FSp—furcasternal protuberance; KES—katepisternum; LPs—lateroparapsidal suture; MN—mesonotum; MNs—mesonotal suture; PCxsA—anterior paracoxal suture; PSp—posterior scutal protuberance. Nomenclature of thoracic structures used throughout the text is based on Kluge et al.¹ and Kluge¹⁶. Contiguous medially compound eyes are indicated by yellow arrow. White dashed line is indicated of the lateroparapsidal suture [LPs] on the (E) and the anterior paracoxal suture [PCxsA] on the (F).