Spialia galba
Encyclopedia
Spialia galba, commonly known as the Indian Skipper or the Indian Grizzled Skipper, is a hesperiid
Skipper (butterfly)
A skipper or skipper butterfly is a butterfly of the family Hesperiidae. They are named after their quick, darting flight habits. There are more than 3500 recognized species of skippers and they occur worldwide, but with the greatest diversity in the Neotropical regions of Central and South...

 butterfly
Butterfly
A butterfly is a mainly day-flying insect of the order Lepidoptera, which includes the butterflies and moths. Like other holometabolous insects, the butterfly's life cycle consists of four parts: egg, larva, pupa and adult. Most species are diurnal. Butterflies have large, often brightly coloured...

 which is found in South Asia
South Asia
South Asia, also known as Southern Asia, is the southern region of the Asian continent, which comprises the sub-Himalayan countries and, for some authorities , also includes the adjoining countries to the west and the east...

 and parts of Southeast Asia
Southeast Asia
Southeast Asia, South-East Asia, South East Asia or Southeastern Asia is a subregion of Asia, consisting of the countries that are geographically south of China, east of India, west of New Guinea and north of Australia. The region lies on the intersection of geological plates, with heavy seismic...

.

Distribution and status

The butterfly ranges from Sri Lanka
Sri Lanka
Sri Lanka, officially the Democratic Socialist Republic of Sri Lanka is a country off the southern coast of the Indian subcontinent. Known until 1972 as Ceylon , Sri Lanka is an island surrounded by the Indian Ocean, the Gulf of Mannar and the Palk Strait, and lies in the vicinity of India and the...

, South India
South India
South India is the area encompassing India's states of Andhra Pradesh, Karnataka, Kerala and Tamil Nadu as well as the union territories of Lakshadweep and Pondicherry, occupying 19.31% of India's area...

 to the Shan states
Shan States
The Shan States were the princely states that ruled large areas of today's Burma , Yunnan Province in China, Laos and Thailand from the late 13th century until mid-20th century...

 in northern Myanmar
Myanmar
Burma , officially the Republic of the Union of Myanmar , is a country in Southeast Asia. Burma is bordered by China on the northeast, Laos on the east, Thailand on the southeast, Bangladesh on the west, India on the northwest, the Bay of Bengal to the southwest, and the Andaman Sea on the south....

, Thailand
Thailand
Thailand , officially the Kingdom of Thailand , formerly known as Siam , is a country located at the centre of the Indochina peninsula and Southeast Asia. It is bordered to the north by Burma and Laos, to the east by Laos and Cambodia, to the south by the Gulf of Thailand and Malaysia, and to the...

, Vietnam
Vietnam
Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

 and Hainan
Hainan
Hainan is the smallest province of the People's Republic of China . Although the province comprises some two hundred islands scattered among three archipelagos off the southern coast, of its land mass is Hainan Island , from which the province takes its name...

.

The butterfly is very common in India up to an altitude of 1800m.

Description

For a key to the terms used see Lepidopteran glossary
Glossary of Lepidopteran terms
This glossary describes the terms used in the formal descriptions of insect species, jargon used mostly by professionals or entomologist....


Having a wingspan of only 24 to 27mm, Spialia galba is identified by its unique pattern of black and white spots and its small size. The upperside is dark brown to blsck in colour with a light brown gloss and many small white spots. The wings have a chequered fringe. The underside is whitish. Sexes are identical.

Habits

When sunny, the butterfly is found flying close to the ground and basking with the wings partly open. The forewing is partly closed while the hindwing is held fully open. It rests with wings closed. It has a swift, twisting but usually short flight. The Indian Skipper visits flowers, preferring those with small flowers such as Tridax procumbens
Tridax procumbens
Tridax procumbens is a species of flowering plant in the daisy family. It is best known as a widespread weed and pest plant. It is native to the tropical Americas but it has been introduced to tropical, subtropical, and mild temperate regions worldwide...

, (a common weed in India) and species of Dicplitera or Bidens
Bidens
Bidens is a genus of flowering plants in the family Asteraceae. It contains about 200 species. The common names beggarticks, black jack, bur-marigolds, stickseeds, tickseeds and tickseed sunflowers refer to the achene burrs on the seeds of this genus, most of which are barbed...

. It sleeps on hanging grass blades and the tips of the branches of herbs.

Egg

Shiny, light-green, dome-shaped, ridged, fused together. The female lays her eggs anywhere and on any position of the young shoots of its foodplant.

Caterpillar

Pale green with a wavy dark green line dorsally.Cylindrical, but thicker in the centre and tapering towards the ends.Body clothed with fine whitish bristles and a line of long white hair on both sides. The head of the butterfly is obscured by dark hair and the jaws are orange-red and black-tipped. Second segment of the early instars is dark-brown and has a golden central bar on the nape. As the caterpillar matures, it develops prominent black-bordered orange markings on the neck. The caterpliiar resides in a folded leaf secured from all sides except the entrance. It feeds in the late evenings and nocturnally.

Pupa

A thick, cylindrical, greyish-green pupa which tapers towards the abdomen. It is covered with fine dirty-white bristles near the head and eyes.

Foodplants

  • Malvaceae
    Malvaceae
    Malvaceae, or the mallow family, is a family of flowering plants containing over 200 genera with close to 2,300 species. Judd & al. Well known members of this family include okra, jute and cacao...

    :
    • Hibiscus
      Hibiscus
      Hibiscus is a genus of flowering plants in the mallow family, Malvaceae. It is quite large, containing several hundred species that are native to warm-temperate, subtropical and tropical regions throughout the world...

      spp.
    • Sida rhombifolia
      Sida rhombifolia
      Sida rhombifolia is a perennial or sometimes annual plant in the Family Malvaceae, native to the New World tropics and subtropics. Other common names include Paddy’s lucerne, jelly leaf, and also somewhat confusingly as Cuban jute, Queensland hemp, and Indian hemp Sida rhombifolia (Arrowleaf...

      .
  • Sterculiaceae
    Sterculiaceae
    Sterculiaceae is a botanical name for a group of flowering plants at the rank of family, which is now considered obsolete. As is true for any botanical name, the circumscription, status and placement of the taxon has varied with taxonomic point of view...

    :
    • Waltheria indica
      Waltheria indica
      Waltheria indica is a species of flowering plant in the mallow family, Malvaceae, that has a pantropical distribution. It is believed to have originated in the neotropics. Common names include Sleepy Morning, Basora Prieta, Hierba de Soldado, Guimauve, Mauve-gris, Moto-branco, Fulutafu, Kafaki, and...

      .
    • Melochia corchorifolia
      Melochia corchorifolia
      The Chocolate Weed, or Melochia corchorifolia, is a weed-like, tropical plant that is typically seen in the wastelands. It has been most frequently observed to grow in open areas, such as highways. Although Melochia corchorifolia does not have any common usage, it has been utilized as a...


See also


Print

(1932) The Identification of Indian Butterflies. 2nd Ed, (i to x, pp454, Plates I to XXXII), Bombay Natural History Society, Mumbai, India.. (1992) Butterflies of Sikkim Himalaya and their Natural History (pp 217). Sikkim Nature Conservation Foundation.. (2000) Butterflies of Peninsular India, (i to xviii, pp254, Plates 1 to 32) Universities Press (India) Ltd, Hyderabad (reprint 2006). ISBN 81-7371-354-5

Online

, , & (Editors). 2003. The Global Lepidoptera Names Index (LepIndex). World Wide Web electronic publication. http://www.nhm.ac.uk/entomology/lepindex (accessed 24 September 2007). Website on Lepidoptera http://www.nic.funet.fi/pub/sci/bio/life/index.html (accessed 24 September 2007)
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK