Further more, regarding the Leptotes,
is there no way to sperate these in the field what so ever?! For instance, larval form, food sources, behaviour (if butterflies can behave any differently to each other, as I often use this to ID birds

)
If the answer is no....and the genitals are what I should be playing with

What magnification would I require?! As Im sure I could use the Universities Ento Departments scopes....also, where would I get the info depicting what the differences are in the genitals between these Common Blues?! As I have no Idea what to look for.......
Justin