n.d. (ca. 2002) 63 p., 16 coloured plates depicting over 350 specimens, paperbound. Library stamps.
2009 442 p., numerous figures, paperbound. Thesis. Library stamps, else good copy.For the first time, all knowledge about the hoverflies of the Netherlands is compiled in one reference book. Altogether it deals with 328 species of Dutch hoverflies and treats their identification, distribution and behavior. The book is lavishly illustrated with 45 beautiful paintings and more than 200 color photographs.