Revision of some oriental Anthophorine bees of the genus Amegilla Friese (Hymenoptera, Apoidea) / by M.A. LieftinckRevision of the Indo-Australian species of the genus Thyreus Panzer (=Crocisa Jurine) (Hym., Apoidea, Anthophoridae) : part 3. Oriental and Australian species / by M.A. LieftinckOdonata Neerlandica : de libellen of waternimfen van Nederland en het aangrenzend gebied / door M.A. LieftinckSome Gomphidae and their larvae, chiefly from the Malay Peninsula (Odonata) / by M.A. LieftinckA review of Old World species of Thyreus Panzer (=Crocisa Jurine) (Hym., Apoidea, Anthophoridae) : Part 4. Palearctic species / by M.A. Lieftinck