Bibasis vasutana

Green Awlet
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Hesperiidae
Genus: Bibasis
Species: B. vasutana
Binomial name
Bibasis vasutana
(Moore, 1865)[1]
Synonyms

Ismene vasutana Moore, 1865[1]
Burara vasutana

Bibasis vasutana, or the Green Awlet,[2] is a species of hesperid butterfly found in Asia. The butterfly has been reassigned to genus Burara vide Vane-Wright and de Jong (2003) and is now known as Burara vasutana.[3]

Range

The Green Awlet is found in Nepal, the Indian Himalayas, Myanmar, Thailand and Laos.[2]

In India, the butterfly ranges from Kumaon, across Nepal along the Himalayas to Sikkim and Assam and eastwards towards Myanmar.[2][4]

The type locality is Darjeeling in North West Bengal.[2]

Status

'Not Rare' in the Himalayas.[4]

Description

See glossary for terms used.

The butterfly has a wingspan of 55 to 65 mm.[4]

Watson (1891) gives a detailed description:[5]

Male. Upperside deep purple brown, paler on the base of the wings ; forewing with orange yellow costal basal streak. Cilia of hindwing broad and bright orange yellow. Underside glossy greyish green, the veins and narrow intermediate parallel lines blackish ; a patch on posterior half of forewing brown bordered above with blue. Third joint of palpi brown, the rest orange yellow. Head, thorax in front and beneath, legs, middle of abdomen beneath, and anal tuft bright orange yellow.
Female. Upperside darker brown, the base of the wings greyish blue ; forewing with two small semitransparent spots obliquely beneath the extremity.

Habits

Crepescular.[3]

Cited references

  1. 1 2 Card for Burara vasutana in LepIndex. Accessed 16 October 2007.
  2. 1 2 3 4 Marrku Savela's Website on Lepidoptera Page on Bibasis genus.
  3. 1 2 Vane-Wright and de Jong (2003) (see TOL web pages on genus Bibasis genus Burara in the Tree of Life Web Project) state that Bibasis contains just three diurnal species, the crepuscular remainder having been removed to Burara. The species now shifted to Burara are morphologically and behaviorally distinct from Bibasis, within which many authors have formerly included them.
  4. 1 2 3 Evans,W.H.(1932) The Identification of Indian Butterflies, ser no I 2.15, pg 319.
  5. Watson, E. Y. (1891) Hesperiidae indicae.

See also

References

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