About ten thousand insects belonging to more than 2 600 species are presented in the 24 stands of this hall. Besides the systematic exposition of insects, the zoogeographical distribution of butterflies is also presented. Australian, Ethiopian, Indomalaya and Holarctic regions are represented by the most colourful and most beautiful specimens of the Lepidoptera order. In separate stands are displayed the most spectacular and colorful beetles in the world. Also visitors can see two dioramas (“Useful insects of Lithuania” and “Insects in various biotopes”), a collection of wild Lithuanian bees (more than 140 different species) and a collection of Lithuanian butterflies (more than 400 species, gathered and donated by V. Bačianskas).

not a terminal