The bee genus Ruizantheda (Hymenoptera: Halictidae), its scope and description of a new species Author Gonzalez-Vaquero, Rocio Ana Author Roig-Alsina, Arturo text Zootaxa 2009 2282 62 68 journal article 10.5281/zenodo.191215 1af7d01b-4186-4ff2-b366-04a37ee0ee49 1175-5326 191215 Key to the species of Ruizantheda 1 Central lobes of mesoscutal lip with angled margins; forewing length 7.2–7.9 mm ; dorsal surface of metapostnotum of female microsculptured; mandible of male basally expanded .................................................................. R. proxima - Central lobes of mesoscutal lip with rounded margins; forewing length 5.5–6.3 mm ; dorsal surface of metapostnotum of female sculptured, with rugae at least basally; mandible of male not basally expanded ................................. 2 2 Posterior surface of propodeum sparsely punctate; dorsal surface of metapostnotum of female rugose-striate basally and microareolate apically; pygidial plate of male T7 truncate................................................................... R. centralis - Posterior surface of propodeum rugose-reticulate; entire dorsal surface of metapostnotum of female strongly rugosereticulate; pygidial plate of male T7 bilobed ............................................................................................ R. divaricata