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. 2 Material examined. Argentina : 1 ♀ , 1?, Province Mendoza , Luján , Cacheuta , 31.vii.1994 , Larrea divaricata (G. Debandi) ( NHMB , dry). Comments. The specimens resemble R. adesmiae and longirostro , in the presence of the three distinct tubercles on the pronotum, and in a forewing membrane with a similar distinct brown pattern. Due to a poor state of the specimens, their identification is problematical.