Microscapha LeConte, 1866

Alekseev, Vitalii Igorevich & Bukejs, Andris, 2021, Fossil Melandryidae (Coleoptera: Tenebrionoidea) from Eocene Baltic amber of the Sambian peninsula: new genus, six new species, new records and key to described taxa, Zootaxa 4965 (1), pp. 142-166 : 149

Genus Microscapha LeConte, 1866

Note. The specimen under consideration possesses main characters of the tribe Orchesiini : (1) procoxae separated by prosternal process, and (2) jumping hind legs with metacoxae large, metatibia shorter than metatarsomere 1, and metatibial spurs longer than one-half length of metatarsomere 1. The specimen belongs to the genus Microscapha based on the combination of the following characters: (1) visible scutellar shield, (2) antennae short, with 3-segmented club, (3) antennomere 3 much shorter and narrower than antennomere 2, (4) pronotum without impressions, (5) metaventrite with median longitudinal depression, and (6) sutural stria well-developed.