The collection of dragonflies and damselflies (Odonata) contains about 30 entomological boxes 30×40 сm with approximately 1500 specimens. Materials are mainly from Bulgaria and are collected mostly by I. Buresch, D. Iltchew, A. Petrov, Petkov and others in the first half of the last century. Collection almost entirely is arranged systematically and is with identification labels.
The collection of caddisflies (Trichoptera) is known as the collection of K. Kumansky. It consists of material in alcohol. Counts about 300 small bottles of about 10 ml comparative collection, numbered and with inventory list arranged in wooden boxes. Additionally in tens of jars of different size there are small tubes with unsorted material or larvae. From the beginning of 21 century in two plastic jars there are tubes with identified material by W. May, collected in different Balkan countries by S. Beshkov. In a single plastic box there are tubes with identified material by J. Olah, collected in different Balkan countries by S. Beshkov. The collection contains significant number of type specimens. Materials are from Balkan countries, North Korea, Tunisia, Cuba and other countries.