Mexico, USA & Canada
Family - LYCAENIDAE
Tribe - POLYOMMATINI
Sycamore Canyon, Arizona, USA
comprises of a single species - isola.
This butterfly was formerly placed in the genus
Hemiargus. The male has an iridescent violet-blue upperside,
with narrow brown margins and a pair of prominent black spots at the
tornus. In the female the blue scaling is confined to the basal area
of the wings.
is a resident breeding species in Mexico, California, Arizona and
It occurs as a migrant as far north as southern Saskatchewan.
This species is found in prairies, deserts, meadows and fields; and
in large glades and clearings in deciduous and coniferous woodlands.
The eggs are laid
singly on the flowerbuds of Acacia,
and Trifolium ( Fabaceae ). The larvae
eat the flowers and seeds, and are attended by ants which milk them
for sugary secretions.
Males patrol in search of females. Both sexes nectar at a wide range