numbering of the spots        
             
             
  choice A
  • the dark space between the back part of band 2-4 and the back part of band 3-5 is wide forming a gap (see blue arrow)
  • the back part of band 3-5 is rounded and can show a rounded bulge (like a sixth spot stuck with the band)

Zygaena purpuralis
Zygaena minos
             
             
             
  choice B
  • the dark space between the back part of band 2-4 and the back part of band 3-5 is narrow and does not form any gap (see green arrow)
  • the back part of band 3-5 is straight and is aligned with that of band 2-4 
  • the size of the insect is small
  • very local species from the South-East part of France
Zygaena brizae