Fig. 1

Overview of the amber piece with the mantis lacewing larva. a–c. Overview images. a Under coaxial cross-polarised light. b Under low-angle reflective ring illumination. c Colour-marked version of A; male spider (Priscaleclercera) in purple; female spider (Burmorchestina) in green; neuropteran larva in blue. d Close-up on larva; coaxial cross-polarised light, single exposure time