Area: The collection consists predominantly of items from West Bohemia but also from the whole territory of former Czechoslovakia, Europe, as well as tropical butterflies and beetles to a lesser extent.
Period: From 1837 up to now
Objects: The collection includes more than 100,000 invertebrates, mostly in great collections of butterflies (by Tykač, Skala, Fraj, etc.), beetles (by Doležal, Maidl, etc.), and also relatively extensive collections of fleas and spiders.