There is a sexual dimorphism in this species.
   The males are blue and the females are predominantly gray.
   The dorsal side of the wings are purple blue in the males and blue brown in females.
   The ventral sides are deep beige with white stripes.
   The rear wings show marginal orange and black spots and two small tails.
  They fly from February to November depending on location.
    Short Tailed Blues like open land, wetlands, trees with Fabaceae, dry riverbeds with waste vegetation, agricultural land, seaside, and riverbanks.
   They typically will fly fast flight and low to the ground.
    The Leptotes / Syntarucus pirithous life cycle usually takes about four to eight weeks, depending on the weather and temperature.
    They fliy in at least two generations per year.