1. Arachnological collections

A. Acari collection (mites, dry collections)

• Collection of oribatid mites put together by Prof. J-C Lions: mites collected between 1967 and 1970 from a limestone ridge in the South of France. The collection contains specimens from more than 200 Oribatid taxa.
• Collection put together by Prof. Dr. A. Fain: about 100,000 microscopic slides, more than 30,000 type specimens, and 2,407 described species of Acari.

B. Araneae collection (spiders, in alcohol)

• Belgian collection, J. Kekenbosch
• Other alcohol collections: non-Belgian spider collection (Galápagos collection), diplopoda (millipedes), myriapoda (centipedes), scorpions and pseudoscorpions, and arachnids