Araneus praesignis mm) and females (7 mm) of "Araneus praesignis" have large black decorations on the upper rear (dorsal posterior) of the abdomen, thought to be a case of Batesian mimicry where an animal has markings making it appear larger and more threatening than it really is. The spider was described by Ludwig Koch in "Die Arachniden Australiens", 1872. "Araneus praesignis" shelters during the day in a silk-bound retreat made in a non-fully-closed leaf nearby where its web is erected at night. Its food is night-flying insects and other invertebrates. It is harmless to humans and can be handled by people without
Ljubljana Botanical Garden is a member of the international network Botanic Gardens Conservation International and cooperates with more than 270 botanical gardens all across the world. Of over 4,500 plant species and subspecies that grow on , roughly a third is endemic to Slovenia, whereas the rest originate from other European places and other continents. Ljubljana Botanical Garden The Ljubljana Botanical Garden (), officially the University of Ljubljana Botanical Garden (), is the central Slovenian botanical garden, the oldest botanical garden in Southeastern Europe, and one of the oldest cultural, scientific, and educational organisations in Slovenia. Its headquarters are located in the Rudnik