Loxura atymnus

Loxura atymnus, the yamfly,[1][2][3] is a species of lycaenid or blue butterfly found in Asia.[1][2][3][4]

Yamfly
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Lycaenidae
Genus:
Loxura
Species:
L. atymnus
Binomial name
Loxura atymnus
(Cramer, 1782)

Description
For a key to the terms used, see Glossary of entomology terms.

Male. Uppersicle bright fulvous. Forewing with the apical margin from the middle of the costa increasingly black, and continued down the outer margin, gradually decreasing in width, the inner margin of the black band being in an almost continuous curve. Hindwing with a very narrow, pale ochreous-brown band on the outer margin, some suffusion of this colour being at the base of both wings and continued down the hindwing (the abdominal fold being similarly coloured) and to the end of the tail. Underside dark ochreous-yellow, markings pale blackish. Forewing with two conjoined ring-spots across the middle of the cell, and two similar spots across the end, both somewhat indistinct, the latter with, sometimes, an indistinct spot alcove it, near the costa, a discal, nearly straight band of conjoined ring-spots, the middle one double, the series ending in two black marks in the interno-median interspace, a very indistinct series of sub-marginal lunules. Hindwing with two sub-basal ring-spots, two in the cell and two at the end, all very indistinct; a discal band, slightly inwardly curved, composed as in the forewing and an indistinct submarginal series of lunules, some small brown suffusion at the anal angle and the tail brown edged. Antennae black, with white dots beneath, club with an orange tip; head and body brown above, grey beneath. Female. Upperside somewhat paler than in the male, the marginal bands a little broader, the underside similar.

— Charles Swinhoe, Lepidoptera Indica. Vol. IX[4]
Loxura atymnus is famous for consuming nectar secreted from the extrafloral nectaries stimulated by the ants. Here they are on a Philippine orchid bud along with some yellow crazy ants.

Subspecies

The subspecies of Loxura atymnus are-[1][2][3]

  • Loxura atymnus atymnus Stoll, 1780 – south India
  • Loxura atymnus arcuata Moore, [1881] – Sri Lanka
  • Loxura atymnus continentalis Fruhstorfer, 1912 – northeast India, Indochina
  • Loxura atymnus prabha Moore, 1877 – Andamans
  • Loxura atymnus nicobarica Evans, 1932 – Nicobar Island
  • Loxura atymnus fuconius Fruhstorfer, 1912 – Borneo, Thailand, peninsular Malaya, Langkawi, Singapore

Life history
  • Mating pair
  • Larva
  • Pupa
  • Dorsal view
  • Ventral view
  • Specimen from Malaya
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References
  1. R.K., Varshney; Smetacek, Peter (2015). A Synoptic Catalogue of the Butterflies of India. New Delhi: Butterfly Research Centre, Bhimtal & Indinov Publishing, New Delhi. pp. 111–112. doi:10.13140/RG.2.1.3966.2164. ISBN 978-81-929826-4-9.
  2. "Loxura atymnus Stoll, 1780 – Yamfly". Retrieved 27 August 2017.
  3. "Loxura Horsfield, [1829]" at Markku Savela's Lepidoptera and Some Other Life Forms
  4. One or more of the preceding sentences incorporates text from a work now in the public domain: Swinhoe, Charles (1911–1912). Lepidoptera Indica. Vol. IX. London: Lovell Reeve and Co. pp. 213–214.CS1 maint: date format (link)


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