†Coleopsis archaica, holotype, ZfB 3315, microscopic images, coaxial cross-polarised light, multi exposure bracketing. A photograph of more complete side (part); B less complete side (counterpart) virtually projected onto the part (the counterpart is mirrored); C photograph of the counterpart. Abbreviations: A, Analis (anal vein); abd, abdomen; ce, compound eye; CuA, Cubitus anterior; edt, elytral distal tip; elc, elytral antero-proximal corner; elf, elytral flange; elpm, elytral posterior margin; hw, hind wing; iv, intercalary veins; leg1, foreleg; pnlp, lateral process of the pronotum; pn, pronotum.