Figure above :  Wing-venation of a number of representatives of the family Rhagionidae  ( Brachycera-orthorrapha).
      Reading from left to right and from top to bottom :
      147 -- Lampromyia  pallida MEIG.
      148 -- Rhagio  scolopaceus Lw.
      149 -- Atherix  ibis FABR.
      150 -- Spaniopsis  clelandi FERG.