Figure above : Wing-venation of a number of representatives of the family Asilidae ( Brachycera-orthorrapha).
Reading from left to right and from top to bottom :
179 -- Leptogaster cylindrica DeG.
180 -- Promachus leoninus Lw.
181 -- Heteropogon scoparius Lw.
182 -- Bathypogon brachypterus MACQ.
183 -- Laphria marginata Lw.
184 -- Dasythrix grisea HERM.
Here Leptogaster (179) clearly shows the venational grounplan of the family.