Poritia hewitsoni


Poritia hewitsoni, the common gem, is a small butterfly found in India, Myanmar, Thailand, Malaysia and Vietnam that belongs to the lycaenids or blues family.

Range

It ranges along the Himalayas from Kumaon to Assam in India and onto Myanmar. Recorded from Mangan and Rangpo in Sikkim.

Description

It is a small butterfly with a 31 to 38 mm wingspan. Male upper: dark iridescent blue, usually with submarginal and apical spots. The cell on upperside forewing is entirely devoid of blue or with a minute blue spot at the base in some cases. Males also have a tufted brand on the upper hindwing above vein 7. The underside is brown with variable pale lineation. Females: brown above, with a few blue spots. The upper forewing has a yellow discal patch above a blue area.

Taxonomy

The butterfly has five subspecies in South Asia:-
The common gem is found flying high in the lowland jungles. The males tend to fly rapidly and settle on leaves. It occurs in Sikkim in October and November. The tufted brand on the male hindwing has a discernible, distinct odour.

Egg