A new species of Leielmis Delève, 1964, with a revised key to members of the genus (Coleoptera: Elmidae) Author Bilton, David T. text Zootaxa 2018 2018-06-28 4441 3 592 596 journal article 29787 10.5281/zenodo.1301566 04e35966-a510-41d6-9adc-31e123a79128 1175-5326 1301566 A8A31BCB-64DE-406C-9F82-26A4882FD89D Key to known Leielmis species The following key iS modified from that provided in Bilton ( 2017 ) to incorporate L. armipes sp. nov. The reader iS referred to thiS paper for figureS of featureS of remaining taXa . 1 Size larger, total length at leaSt 2.0 mm from front of pronotum to elytral apiceS. DorSum with long, golden, recumbent Setae throughout. Elytra broadeSt at and Subparallel in middle; narrowing to apex in apical third. Elytral puncture rowS with coarSe punctureS anteriorly; elytral intervalS raiSed. AedeaguS, male tibial modificationS and ovipoSitor characteriStic. ............................ ............................................................................................................................................................ Leielmis hirsutus Bilton, 2017 . - Size Smaller, total length leSS than 1.7 mm . DorSum with Setae leSS evident. Elytra broadeSt in baSal third; narrowing to apex from around middle. Elytral intervalS relatively flat.................................................................................................................................. 2 2 Pronotal punctation coarSer and denSer. PunctureS of elytral rowS larger anteriorly; puncture rowS more Strongly Striate impreSSed (Fig. 3A). AedeaguS, male tibial modificationS and ovipoSitor characteriStic .................. Leielmis georyssoides (Grouvelle, 1890) - Pronotal punctation finer and SparSer (e.g. Fig. 1B ). PunctureS of elytral rowS Smaller; puncture rowS not, or weakly, Striate impreSSed (e.g. Fig. 1B )..................................................................................................................................................................... 3 3 Male metatibiae with Strong internal Spine ( Fig. 1C ). Venter with relatively fine, SparSe punctation ( Fig. 2A ). AedeaguS characteriStic ( Fig. 1D ). ............................................................................................................................................. Leielmis armipes sp. nov. - Male metatibiae without evident internal Spine. Venter with relatively coarSe, denSe punctation ( Fig. 2B ). AedeaguS characteriStic .......................................................................................................................................................... Leielmis gibbosus Bilton, 2017 .