— Morphology, systematic and ecology of chewing lice (Insecta: Phthiraptera: Amblycera, Ischnocera) parasites on birds;
— Morphology, taxonomy and systematics of chewing louse genera Penenirmus and Philopterus (Insecta: Phthiraptera: Ischnocera) parasites on birds from Passeriformes order;
— Taxonomy, zoogeography and ecology of the birds from Sylviidae family (Aves: Passeriformes);
— Avian ectoparasitology;