Head of Department: Assoc. Prof. Boris Nikolov, PhD Division of Biodiversity and Ecology of Invertebrates Head: Prof. Dragan Chobanov, PhD Nematology RG Assoc. Prof. Stella Lazarova, PhD (RG Leader) Prof. Vlada Peneva, PhD Chief Assistant Milka Elshishka, PhD Biologist Alexander Mladenov Biologist Stela Dipchikova Biologist Denica Staneva Fauna, Taxonomy and Ecology of Invertebrates RG Prof. Dragan Chobanov, PhD (RG Leader) Prof. Lyubomir Penev, PhD Assoc. Prof. Christo Deltshev, PhD (volunteer) Assoc. Prof. Ivailo Dedov, PhD Assoc. Prof. Toshko Ljubomirov, PhD Assoc. Prof. Vladimir Sakalian, PhD Assoc. Prof. Maria Naumova, PhD Assoc. Prof. Boyan Vagalinski, PhD Assoc. Prof. Teodora Toshova, PhD Assoc. Prof. Boyan Zlatkov, PhD Assoc. Prof. Teodora Teofilova, PhD Chief Assistant Vera Antonova, PhD Chief Assistant Ivailo Todorov, PhD Chief Assistant Simeon Borisov, PhD Biologist Georgi Hristov Teodor Trifonov, PhD student Nefeli Kotitsa, PhD student Cytotaxonomy and Evolution RG Prof. Snezhana Grozeva, PhD (RG Leader) Prof. Paraskeva Michailova, DSc (volunteer) Assoc. Prof. Julia Ilkova, PhD Chief Assistant Desislava Stoianova, PhD Biologist Maria Kocheva Protozoology RG Assoc. Prof. Danail Takov, PhD (RG Leader) Prof. Milcho Todorov, PhD Prof. Vasil Golemanski, member of Bulgarian Academy of Sciences (volunteer) Prof. Daniela Pilarska, PhD (volunteer) Chief Assistant Nikola Bynkov, PhD Technician Elena Tzvetanska-Nikolova Division of Biodiversity, Population Biology and Resources of Vertebrates Head: Assoc. Prof. Boris Nikolov, PhD Theriology RG Assoc. Prof. Tzenka Chassovnikarova, PhD (RG Leader) Chief Assistant Atidje Ahmed, PhD Chief Assistant Albena Vlaseva, PhD Chief Assistant Milena Gospodinova, PhD Chief Assistant Vladimir Todorov, PhD Chief Assistant Nikolai Dolapchiev, PhD Biologist Nikoleta Stoyanova Prof. Petar Genov, DSc (volunteer) Prof. Georgi Markov, DSc (volunteer) Assoc. Prof. Nasko Atanassov, PhD (volunteer) Bulgarian Ornithological Center RG Assoc. Prof. Boris Nikolov, PhD (RG Leader) Biologist Marta Dimitrova, PhD Student Biologist Liliana Vassileva, PhD Student Division of Biodiversity and Ecology of Parasites Head: Prof. Gergana Vasileva, PhD Taxonomy, Evolution and Ecology of Helminths RG Prof. Yasen Mutafchiev, PhD (RG Leader) Prof. Boyko Georgiev, DSc Prof. Aneta Kostadinova, PhD Prof. Gergana Vasileva, PhD Assoc. Prof. Simona Georgieva, PhD Chief Assistant Pavel Nikolov, PhD Chief Assistant Georgi Atanassov, PhD Chief Assistant Yana Dimitrova, PhD Biologist Nina Vancheva, PhD Biologist Borislav Stoyanov, PhD Biologist Veselin Gyonov Molecular Evolutionary Studies RG Prof. Georgi Radoslavov, PhD (RG Leader) Prof. Peter Hristov, PhD Assoc. Prof. Boiko Neov, PhD Ultrastructure of Parasites RG Assoc. Prof. Katya Georgieva, PhD (RG Leader) Assoc. Prof. Aneta Yoneva, PhD Prof. Yana Mizinska-Boevska, PhD (volunteer) Avian Blood Parasites RG Prof. Pavel Zehtindjiev, PhD (RG Leader) Assoc. Prof. Mihaela Ilieva, PhD Assoc. Prof. Dimitar Dimitrov, PhD Chief Assistant Aneliya Bobeva, PhD Chief Assistant Martin Marinov, PhD