Tagiades japetus

Pied Flat
Tagiades japetus ravi from India
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Hesperiidae
Genus: Tagiades
Species: T. japetus
Binomial name
Tagiades japetus
(Stoll, 1782)

Tagiades japetus, commonly known as the Pied Flat or the Common Snow Flat, is a species of spread-winged skipper butterfly belonging to the family Hesperiidae. It has a wide distribution range, being found from India, the Himalayas, Southeast Asia, to Australia. It contains twenty-four recognized subspecies.

Life cycle and ecology

The eggs are laid on the upper surface of young leaves. They hatch in about six days, whereupon they will construct a leaf shelter by cutting the edge of a leaf, folding a triangular piece back, and then attaching it with silk. During the day, they hide under this shelter and only emerge at night to feed. The larvae feed on leaves of vines belonging to the genus Dioscorea; including Dioscorea transversa, Dioscorea alata, and Dioscorea numularia. They may make other shelters as they grow larger. After about 23 days, they pupate inside their final shelter, emerging as adults after 10 days. The adults are quick flyers, maintaining a height relatively close to ground. They are usually encountered resting underneath leaf surfaces. They feed on nectar from flowers during the morning. Mating is not seasonal and adults emerge all throughout the year. However, the population is greatest during the wet season.[1]

Tagiades japetus mating

Distribution and habitat

Tagiades japetus have a wide range of occurrence. They are found from Sri Lanka and India to the Himalayas, and Indochina. They also occur throughout the Maritime Southeast Asia to the Philippines and down to Papua New Guinea and the surrounding islands, and northeastern Australia.[2][3]

They are commonly found in the edges of rainforests, vine thickets, and sometimes in cultivated lands.[4]

Subspecies

Tagiades japetus janetta
Tagiades japetus titus from the Philippines
Tagiades japetus titus from the Philippines

Tagiades japetus contains twenty-four subspecies including the ones listed below with their common names and areas of distribution:[2][3]

  • Tagiades japetus atticus (Fabricius, 1793) (Common Snow Flat)
Madhya Pradesh to Bengal, Dehra Dun to Assam, Burma
  • Tagiades japetus avienus Fruhstorfer, 1910
Key Island
  • Tagiades japetus balana Fruhstorfer, 1910
Northern Borneo
  • Tagiades japetus bandanus Fruhstorfer, 1910
Banda Island
  • Tagiades japetus brasidas Doherty, 1891
Sumba, Indonesia
  • Tagiades japetus carnica Evans, 1934 (Car Nicobar Common Snow Flat)
Car Nicobar
  • Tagiades japetus engnanicus Fruhstorfer, 1910
Enggano Island, western Sumatra
  • Tagiades japetus janetta Butler, 1870 (Black And White Flat)
Northern gulf and north-eastern coast of Queensland, Aru Islands, Irian Jaya, Papua New Guinea, and Solomon Islands
  • Tagiades japetus japetus (Stoll, 1782)
Ambon, Maluku, Indonesia
  • Tagiades japetus nankowra Evans, 1934 (Central Nicobar Common Snow Flat)
Central Nicobar
  • Tagiades japetus navus (Fruhstorfer, 1910)
Sula and Tukangbesi Islands
  • Tagiades japetus obscurus Mabille, 1876 (Ceylon Snow Flat)
Sri Lanka, Nilgiris, Shevaroys, and the Palni Hills of southern India
  • Tagiades japetus prasnaja Fruhstorfer, 1910
Sulawesi, Banggai, and Selayar Island
  • Tagiades japetus ravi (Moore, [1866]) (Himalayan Snow Flat)
Bengal to Burma, Thailand, Laos, and Vietnam
  • Tagiades japetus ravina Fruhstorfer, 1910 (Andaman Common Snow Flat)
Andamans
  • Tagiades japetus titus (Plötz, 1884) (Philippine Common Snow Flat)
Endemic to the Philippines
  • Tagiades japetus xarea Mabille, 1891
Timor

References

  1. Michael F. Braby (2000). Butterflies of Australia: Their Identification, Biology and Distribution. Csiro Publishing. ISBN 9780643102927.
  2. 1 2 Rienk de Jong & Colin Guy Treadaway (1993). "The Hesperiidae (Lepidoptera) of the Philippines". Zoologische Verhandelingen 288: 3125.
  3. 1 2 Markku Savela. "Tagiades Hübner, [1819]". Lepidoptera and some other life forms. Retrieved August 6, 2012.
  4. Michael F. Braby (2004). The Complete Field Guide to Butterflies of Australia. Csiro Publishing. p. 36. ISBN 9780643090279.

External links

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