Roger's underside ID clue is an absolute boon when confronted with a roosting butterfly or a photo (where obviously one cannot expect the butterfly to move to view the upperside...). The cell spot is absent in Common Blues as an uncommon but apparently constant proportion of butterflies so the lack ...

Looks pretty good to me for onopordi. Additionally N Africa is rather poor in Pyrgus, only being host to onopordi, alveus and armoricanus. Of these 3 only onopordi and alveus fly in the High Atlas and of these only onopordi flies throughout the warmer months, alveus flying May to July. I have found ...