Abstract. The four entomological expeditions in Vietnam organized by the Natural History
Museum of the University of Florence and the Vietnam National Museum of Nature during
the period 2010-2013 are illustrated. The full list of collected material is given. Remarks
on Coleoptera Lucanidae and Brentidae, Hemiptera Gerromorpha, Nepomorpha and
Leptopodomorpha, Rhynchophorus ferrugineus (Coleoptera: Curculionoidea:
Dryophthoridae), Lepidoptera and photo techniques are also given.