Three new species of the ant genus Lepisiota Santschi, 1926 (Hymenoptera: Formicidae) from Thailand Author Jarernkong, K. Author Kongmee, M. Author Pinkaew, N. Author Jaitrong, W. text Far Eastern Entomologist 2023 2023-01-08 468 1 15 http://dx.doi.org/10.25221/fee.468.1 journal article 293138 10.25221/fee.468.1 fa6d8036-88cc-41c3-8c8f-d7259dedd8f4 2713-2196 7616340 6F5F14E2-78D7-4D54-8D3F-9C1EB25D47B7 Genus Lepisiota Santschi, 1926 Lepisiota Santschi, 1926: 15 [as subgenus of Acantholepis ]. Type-species: Plagiolepis rothneyi , by original designation. Acantholepis Mayr, 1861: 42 . Type-species: Hypoclinea frauenfeldi , by monotypy. (Junior homonym of Acantholepis Kroyer, 1846: 98 [Pisces]). Achantilepis Santschi, 1935b: 274, incorrect subsequent spelling of Acantholepis . Pseudacantholepis Bernard, 1953b: 256, attributed to Santschi (as subgenus of Acantholepis ). Unavailable name. Proposed without designation of type-species. Species included by Bernard (1953b) are all referable to Lepisiota : Bolton, 1995b: 44 . DIAGNOSIS OF WORKER. Antennae 11-segments, without antennal club; palp formula 6,4; mandibles subtriangular, masticatory margin with 5–6 teeth; eyes with over 100 ommatidia; antennal scrobes absent; pronotal spines absent; mesothorax reduced and slender; metathoracic spiracles in profile raised; propodeal spines dentiform (absent in some species); petiolar spines present or absent; worker monomorphic, a few species are size-variable to weakly polymorphic.