Background and aims – Two new species of Vellozia (Velloziaceae) are here described illustrated, albohexandra V. mellosilvae . These morphologically similar to armata , luteola inselbergae probably belonging the same informal group. Material methods Morphological anatomical descriptions were based on herbarium specimens in situ observations. Standard taxonomy plant anatomy practices applied. Ke...

A new species, Formica ribbeckei Radchenko & Perkovsky, sp. nov. , is described based on four workers from late Eocene Rovno amber (Ukraine). It most resembles F. flori Mayr, 1868 but differs the latter mainly by 5-segmented maxillary palps with preapical segment subequal in length to apical one, and shorter first funicular segment. Fossil luteola Presl, 1822, trigona macrognatha 1822 q...