Quasicalathus elpis (Ortuño and Arillo 2009), light microscopic images of specimens “CCHH 952” (13–15.) and “OSAC 269” (16, 17.). 13. Dorsal view of body; 14. Pronotum and anterior part of elytra showing the markedly concave basal margin and projected humeri (the white arrows point the insertion pores of the parascutellary setae); 15, 17. General view of the amber pieces; 16. Posterior part of left elytron (the white arrow points to the insertion of the discal seta).