Byasa crassipes

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Black windmill
Crassipes.jpg
Scientific classification edit
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Papilionidae
Genus: Byasa
Species:
B. crassipes
Binomial name
Byasa crassipes
(Oberthür, 1879)[1]

Byasa crassipes, the black windmill, is a butterfly found in India and Southeast Asia that belongs to the windmills genus, Byasa, comprising tailed black swallowtail butterflies with white spots and red submarginal crescents.

Range[]

North east India (Manipur), Myanmar (southern Shan states), northern Thailand, northern Laos, northern Vietnam (Tonkin), and possibly southern China.[2]

Status[]

The black windmill is very rare and is protected by law in India. More information is required on this species.

Description[]

The wingspan is 110–120 mm. It is a black butterfly which is unmarked except for obscure red spots on the upper hindwing. The tail is red tipped below.

Male upperside: Forewing dark fuliginous (sooty) black, with black veins, a longitudinal streak between the veins and streaks within the cell. Hindwing very narrow anteriorly and much prolonged posteriorly, exterior margin broadly scalloped, tail very broad and short; abdominal margin with a very long folded lappet, which when opened displays a lengthened greyish-white woolly androconial patch; colour dull greyish black, with two upper marginal and two sub-anal lunules, tip of the tail very obscure dusky red. Underside: forewing paler. Hindwing dull black, with the two upper and lower marginal lunules, an irregular-shaped anal lunule, and the tail tip bright crimson. Thorax and abdomen above black; front of head and thorax and abdomen beneath crimson; abdomen beneath with black segmental bands; hind tibiae very thick; antennae and legs black.[3]

Taxonomy[]

No separate subspecies have been described.

Habits[]

Recorded from Manipur between 1,000 and 2,500 ft (300 and 760 m).

See also[]

References[]

  1. ^ Häuser, Christoph L.; de Jong, Rienk; Lamas, Gerardo; Robbins, Robert K.; Smith, Campbell; Vane-Wright, Richard I. (28 July 2005). "Papilionidae – revised GloBIS/GART species checklist (2nd draft)". Entomological Data Information System. Staatliches Museum für Naturkunde Stuttgart, Germany. Archived from the original on 9 September 2010. Retrieved 21 June 2013.
  2. ^ Philip Lo (Kadoorie Farm and Botanic Garden, Hong Kong); International), Eresha Fernando (BirdLife; Moonen, Jan; Kehimkar, Isaac; Jangid, Ashish (2019-02-28). "IUCN Red List of Threatened Species: Byasa crassipes". IUCN Red List of Threatened Species. doi:10.2305/iucn.uk.2020-3.rlts.t121971897a176105416.en. Retrieved 2021-05-20.
  3. ^ Bingham, C.T. (1907). The Fauna of British India, Including Ceylon and Burma. Vol. II (1st ed.). London: Taylor and Francis, Ltd.

External links[]


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