The World Catalogue of the Conopidae offers the first complete list of this Diptera family worldwide since 1919. 808 recent and fossil species, together with th

While volume 1 includes several introductory chapters and treats 42 families of flies in the Lower Diptera, volume 2 covers the remaining 64 families of flies t

Manual providing an up-to-date, well-illustrated, easily interpretable means for identifying the families and genera of two-winged flies of America north of Mex