"In a wide (taxonomic) sense" so, "genus Sarcophaga (sensu lato)" means including species which are in separate closely related genera in other taxonomic treatments. This should be explained fully in the text which follows the term, i.e. which genera are included. It is not the same as cf. which means uncertainly identified.
Tried to attach an image to a forum post. jpg, 32kB, 72dpi, no blanks, ... File name is correctly displayed, but when I click "Preview Thread" it just vanishes. Help!