Posted by John Carr on 27-05-2018 19:01
#2
Limoniidae: usually smaller than Tipulidae s. str., with shorter palps and vein Cu straight at junction of m-cu.
The names of the veins change every 20-30 years. Cu is the vein that meets wing margin just above hind tibia. It used to be called the sixth vein, then M4.