Description of the immature stages and new host plant records of Deois (Deois) mourei (Berg) (Hemiptera: Cercopidae), a species newly recorded from Argentina and Paraguay Author Foieri, Alvaro Author Marino De Remes Lenicov, Ana M. Author Virla, Eduardo G. text Zootaxa 2016 4161 3 419 428 journal article 10.11646/zootaxa.4161.3.9 51e9c970-3302-487d-83e3-762c3b4c33ff 1175-5326 256852 2307EE18-2B28-472E-95CE-C0E2B6D07871 Key to differentiate the third to fifth nymphal instars of D. (D.) mourei and Notozulia entreriana (See Foieri et al. (2016) for a complete description of N. entreriana nymphs) 1. Metatibia with 6 apical spines...................................................... third instar D. (D.) mourei - Metatibia with 7 or more apical spines.....................................................................2 2. Metatibia with 7 apical spines....................................................... third instar N. entreriana - Metatibia with 9 or more apical spines.....................................................................3 3. Metatibia with 9 apical spines and 5 in basal tarsomere.................................. fourth instar N. entreriana - Metatibia with 11 or more apical spines and 6 or more in basal tarsomere.......................................... 4 4. Metatibia with 11 apical spines and 6 in basal tarsomere................................ fourth instar D. (D.) mourei - Metatibia with 1 or 2 lateral spines........................................................................6 5. Metatibia 1 lateral spine and 13 apical black-tipped spines. First flagelomere with few celoconic sensilla and 2 single trichoid sensilla......................................................................... fifth instar D. (D.) mourei - Metatibia whit 2 lateral spine and 10–13 apical black-tipped spines. First flagelomere with 11 celoconic sensilla and 1 apical single trichoid sensillu.............................................................. fifth instar N. entreriana