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Hi,

The book is very nice, if you are interested in Diptera in gereneral. The first volume will give you introduction to Diptera anatomy. The second and third volume go through the families and the third volume is a supplementary volume, where some of the families that are missing from the second and third volume are missing. In all maybe 90% of the families are covered, but there are many notable exceptions (for example Anthomyiidae if I remember correctly). I do not remember whether the families that you mention are in vol 3 or 4.

These volumes will include keys down to the genus level, so for determining at species level they are pretty much useless. Nevertheless I think these books are worth buying if you are really into it and willing to pay the relatively high price (I think a volume is aroun 2-3oo USD, clearly too expensive for me).A cheaper option is to photocopy parts of the book (families that you are interested in). In Hungary this is legal for private purposes, but the distribution of it or copying entire books is illegal.

Gabor