"Ratio length to breadth of main signum";"Udea austriacalis (n = 8)";"U. donzelalis (n = 7)";"U. altaica (n = 4)" minimum;3.44;4.06;3.09 maximum;4.375;5.08;3.44 Average;3.85;4.56;3.25 "standard deviation";0.36;0.41;0.15