Poritia hewitsoni

Common Gem
Poritia hewitsoni Male left, female right.
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Lycaenidae
Genus: Poritia
Species: P. hewitsoni
Binomial name
Poritia hewitsoni
(Moore, 1865)

The Common Gem (Poritia hewitsoni)[1] is a small butterfly found in India, Myanmar[2], Thailand, Malaysia and Vietnam[3] that belongs to the Lycaenids or Blues family.

Contents

Range

It ranges along the Himalayas from Kumaon to Assam in India and onto Myanmar[2]. Recorded from Mangan and Rangpo in Sikkim[4][5].

Description

A small butterfly, 31 to 38 mm wingspan. Male - Upper dark iridescent blue, usually with sub-marginal and apical spots. The cell on UPF 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 HW 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 blue area.[4][5].

Taxonomy

The butterfly has five subspecies in South Asia[2] :-

Habits

The Common Gem is a butterfly found flying high in the lowland jungles. The males tend to fly rapidly and settle on leaves[4]. Occurs in Sikkim in October and November. The tufted brand on the male hind-wing has a discernible, distinct odour[5].

Life History

Cited references

  1. ^ Card for species hewitsoni in LepIndex. Accessed 04 December 2006.
  2. ^ a b c d e Evans,W.H.(1932) The Identification of Indian Butterflies, ser no H2.5, pg 208.
  3. ^ a b c d e Page on Marrku Savela's site for genus Poritia (Lycaenidae).
  4. ^ a b c d Haribal, Meena. (1994) The Butterflies of Sikkim, ser no 106, pp 91-92, Plate 25 (images of male & female).
  5. ^ a b c Wynter-Blyth, M.A. (1957) Butterflies of the Indian Region, pg 252.

References

References

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See also