Systematics, biogeography and host-plant relationships of the Neotropical jumping plant-louse genus Russelliana (Hemiptera: Psylloidea) Author Serbina, Liliya Author Burckhardt, Daniel text Zootaxa 2017 4266 1 1 114 journal article 33062 10.5281/zenodo.575325 f4033cfe-28b4-434e-a577-bf51193b4df6 1175-5326 575325 6202B24C-50CC-4EF1-A54E-8BAD122606DD Russelliana sp. 14 Material examined. Chile : 1 ♂ , XII Region , Province Última Esperanza , Paso de la Laguna Dorotea, W Puerto Natales , 250 m , 10.i.1991 , Senecio tricuspidatus , pasture with Nothofagus antarctica (D. Burckhardt) #33 ( MHNG , dry). Comments. The specimen resembles R. adunca and caunda in a colourless forewing membrane bearing faint surface spinules. The specimen differs from the two species in longer genal processes and a shape of the paramere bearing an apico-posterior lobe which is strongly bulged posteriorly. The latter resembles a condition in R. disparilis but the specimen differs from R. disparilis in the presence of surface spinules on the forewing membrane which are absent in R. disparilis .