Ptilia, Taxa Only, Exact Match: 2 Treatments

Ptilia peleterii			Smith, David R., Janzen, Daniel H. & Hallwachs, Winnie, 2013, Food plants and life histories of sawflies of the families Argidae and Tenthredinidae (Hymenoptera) in Costa Rica, a supplement, Journal of Hymenoptera Research 35, pp. 17-31 : 21	21
Ptilia			Malagón-Aldana, Leonardo A., Smith, David R., Vilhelmsen, Lars & Serna, Francisco, 2019, The sawflies and woodwasps (Hymenoptera: ‘ Symphyta’) of Colombia, Zootaxa 4633 (1), pp. 1-88 : 26	26