numbering of the spots        
             
             
  choice A
  • medium-sized Burnet moth ; given its smaller size, all the spots seem to be larger than in Z.transalpina
  • spots and hindwing are reddish orange (vermillion)
  • spots No.5 & No.6 are often close to each other and even touch each other
  • spots No.3, 4, 5 & 6 usually have an irregular shape
  • the black border on the hindwing is always thin and is slightly dentate in its middle
  • on the underside of the forewing, spots merge into a single red area whose limits are well defined
Zygaena hippocrepidis
             
             
             
  choice B
  • large-sized Burnet moth
  • spots No.5 & No.6 are remote from each other
  • spots and hindwing are blood red
  • spots No.3, 4, 5 & 6 usually have a regular rounded shape
  • the black border on the hindwing is thin but sometimes thicker than in Z.hippocrepidis and is dentate in its middle 
  • on the underside of the forewing, spots merge into a single red area whose limits are well defined
Zygaena transalpina