Fig. 1

Specimen (YKLP-AMB-002) and 3D reconstructions of †Zigrasimecia sp. a Specimen in amber. b Head in anterior view. c Head in posterior view. d Left compound eye. e Close-up of mouth part. f Close-up of labrum with labial setae each bearing a groove. g, h Mesosoma in lateral and dorsal views. i, j Gaster in lateral and bottom views. ab antennal base; an anepisternum; cd clypeal denticles; kn katepisternum; lbr labrum; lbs labial setae; lp labial palp; lsg labial setae groove; md mandible; mds mandibular setae; mn mesonotum; mp maxillary palp; mpgo metapleural gland opening; op oral opening; pe petiole; pn pronotum; pp postpetiole; ppd propodeum; sl scutellum; st sting; t tooth; wb wing base (III–VII, third through seventh abdominal segments)