English: Promyrmister kistneri holotype in Burmese amber (A) Dorsal habitus of holotype CNU-008021 with origin of exudate globule (black arrow) and elytral striae (white arrows) indicated; the three lateral striae are complete (top three arrows), the three medial striae appear incomplete. (B) Right lateral habitus with flight wing indicated. (C) Ventral habitus, boxed region expanded in panel H. (D) Head, dorsal and (inset) frontal views, with antennal scapes and frontoclypeal carina (FC) indicated. (E) Right foreleg, laterally expanded femur and tibia indicated. (F) Proventral-mesoventral boundary showing proventral keel with posterior incision. (G) Left pronotal margin, lateral view, showing possible origin of putative glandular exudate; arrow in G corresponds to that in panel A. (H) Ventrite one showing proximal leg segments (Trc: trochanter) and postcoxal gland openings (white arrows), with globule of putative exudate emanating from left postcoxal gland opening.