Seifert, B. 2019: Lasius nigroemarginatus Forel, 1874 is a F1 Hybrid between L. emarginatus (Olivier, 1792) and L. platythorax Seifert, 1991 (Hymenoptera, Formicidae) - Beitr├Ąge Zur Entomologie = Contributions to Entomology 69(2): 291-300 - doi: 10.21248/contrib.entomol.69.2.291-300