Iambrix salsala

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Iambrix salsala
Chestnut bob (Iambrix salsala luteipalpis).jpg
Chestnut Bob Iambrix salsala by kadavoor.JPG
both I. s. luteipalpis
Kerala, India
Scientific classification edit
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Hesperiidae
Genus: Iambrix
Species:
I. salsala
Binomial name
Iambrix salsala
(Moore, 1865)[1]
Synonyms

Astictopterus salsala

Iambrix salsala,[2] the chestnut bob,[3] is a butterfly belonging to the family Hesperiidae, that is found in parts of South Asia and Southeast Asia.[3][4][5]

Subspecies[]

The subspecies of Iambrix salsala found in India are-[6]

  • Iambrix salsala salsala Moore, 1865
  • Iambrix salsala luteipalpis Plötz, 1886

Range[]

The butterfly occurs in Sri Lanka, India, Nepal, Myanmar, Thailand, Cambodia, Laos, north Vietnam, Hainan, Hong Kong, south Yunnan, Langkawi, Malaysia, Singapore, Tioman, Sumatra and Java.[7]

In India, the butterfly flies in South India, Calcutta, along the Himalayas from Kumaon to Sikkim, Assam and eastwards to Myanmar.[7]

Edward Yerbury Watson (1891) states the butterfly's range as follows:[8]

Has been recorded from Bengal (Moore), Cachar (Wood-Mason and de Niceville); Tavoy (Elwes and de Niceville); Calcutta (de Niceville); Orissa (Taylor); Sikkim (de Niceville; Elwes). Recorded as A. stellifer from Ceylon (Hutchison, Wade, Mackwood); Poona, Bombay (Swinhoe); and the Nilgiris (Hampson).

Description[]

For a key to the terms used, see Glossary of entomology terms.
IambrixSalsala 791 2 Fitch.png

Watson (1891) gives a detailed description, shown below:[8]

Male and female dark brown with olive-brown gloss. Male; upperside, forewing with two or three ill-defined yellowish spots ascending obliquely from beyond middle of posterior margin. Female; forewing with an oblique series of small semi-transparent white spots curving across the disc (more or less distinct), and terminated below by an ill-defined yellowish spot. Underside chestnut-brown suffused with black on the disc; forewing with minute white spots, one at extremity of the cell, and two or three obliquely beyond; hindwing with a series of three spots disposed in a curve across disc; cilia greyish-brown. Palpi, body, and legs yellowish beneath.

Mr. de Niceville states that he considers A. salsala to be identical with A. stellifer, though Mr. Moore informs him that the female of A. salsala has a curved discal row of seven white spots and two lower ochraceous discal spots, and is a larger species than A. stellifer, Butler. According to Mr. Elwes the two species are identical, Sikkim specimens varying considerably in the spots of the forewing above, which are sometimes white, sometimes rufous and sometimes absent as in stellifer.

I have numerous specimens of this species from Rangoon, Beeling, Upper Tenasserim, Madras, Kadur District, and Mysore; they vary considerably in the distinctness of the spots both on upperside and underside, but I can find no sure characteristic by which to separate them into two species.

— Edward Yerbury Watson

Host plants[]

The larva has been recorded on Setaria barbata,[9] Bambusa species, Mimosa species.[7]

Cited references[]

  1. ^ Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson, G.; Pitkin, B.; Hine, A.; Lyal, C., eds. (2003). "Iambrix salsala". The Global Lepidoptera Names Index. Natural History Museum. Retrieved April 20, 2018.
  2. ^ TOL web page on genus Iambrix
  3. ^ a b R.K., Varshney; Smetacek, Peter (2015). A Synoptic Catalogue of the Butterflies of India. New Delhi: Butterfly Research Centre, Bhimtal & Indinov Publishing, New Delhi. p. 47. doi:10.13140/RG.2.1.3966.2164. ISBN 978-81-929826-4-9.
  4. ^ Public Domain One or more of the preceding sentences incorporates text from this source, which is in the public domain: Swinhoe, Charles (1912–1913). Lepidoptera Indica. Vol. X. London: Lovell Reeve and Co. pp. 145–147.
  5. ^ W. H., Evans (1949). A Catalogue of the Hesperiidae from Europe, Asia, and Australia in the British Museum. London: British Museum (Natural History). Department of Entomology. p. 272.
  6. ^ "Iambrix salsala Moore, 1865 – Chestnut Bob". Retrieved 15 September 2017.
  7. ^ a b c Markku Savela's website on Lepidoptera. Page on genus Iambrix.
  8. ^ a b Public Domain One or more of the preceding sentences incorporates text from this source, which is in the public domain: E. Y., Watson (1891). Hesperiidae Indicae : being a reprint of descriptions of the Hesperiidae of India, Burma, and Ceylon. Madras: Vest and Company. p. 147.
  9. ^ Kalesh, S & S K Prakash (2007). "Additions of the larval host plants of butterflies of the Western Ghats, Kerala, Southern India (Rhopalocera, Lepidoptera): Part 1". Journal of the Bombay Natural History Society. 104 (2): 235–238.

References[]

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