Libythea laius

Libythea laius, the lobed beak[1] is a member of the butterfly subfamily Libytheinae found in East Africa, Madagascar, southern India, and Sri Lanka.[2] It was described by Roland Trimen in 1879.[3]

Lobed beak
Libythea laius lepitoides in Kerala, India
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Nymphalidae
Genus:
Libythea
Species:
L. laius
Binomial name
Libythea laius
Trimen, 1879
Synonyms
  • Libythea werneri Fruhstorfer, 1903

Libythea laius was considered a synonym earlier as it similar to Libythea labdaca, sharing similar dorsal wing markings. But it differs from the latter in that the rectangular orange mark in the discal cell apex is fused or separated from discal cell base.[2]

Subspecies
Libythea laius lepitoides-Lobed beak
  • Libythea laius laius Trimen, 1879 (eastern and southern Africa, including Kenya, Malawi, Mozambique, South Africa, Sudan, Tanzania, and Zimbabwe)
  • Libythea laius lepitoides Moore, 1903 (southern India and Sri Lanka)[4][2][1][5]

Male. Upperside with the ferruginous markings loss sharply defined than in Libythea lepita. Forewing differs in the cell-streak being broken into two portions, and the contiguous discal spots somewhat smaller; both subapical spots entirely white and smaller. Hindwing with the medial-discal band similar. Under-side. Forewing with the cell-streak broader than on the upperside and partly broken, the basal portion being also much diffused; the discal spot paler, subapical spots white; mottled apex pale grey. Hindwing paler grey, with more thickly mottled darker fasciae, in some these fasciae are very prominently black; a distinct small patch of black scales is present on the disc in the discoidal interspace beyond base of the upper median veinlet.

— Frederic Moore, Lepidoptera Indica. Vol. V[5]
  • Libythea laius tsiandava Grose-Smith 1891 (Madagascar)

References
  1. "Libythea laius Trimen, 1879 – Lobed Beak". Butterflies of India. Indian Foundation for Butterflies. Retrieved 27 April 2018.
  2. Kawahara, A.Y. (2013). "Systematic revision and review of the extant and fossil snout butterflies (Lepidoptera: Nymphalidae: Libytheinae)". Zootaxa. 3631 (1): 1–74. doi:10.11646/zootaxa.3631.1.1.
  3. Savela, Markku. "L. l. laius Trimen, 1879". Lepidoptera and Some Other Life Forms. Retrieved January 31, 2018.
  4. Bingham, Charles Thomas (1905). Fauna of British India. Butterflies Vol. 1. pp. 474–475.
  5. One or more of the preceding sentences incorporates text from a work now in the public domain: Moore, Frederic (1901–1903). Lepidoptera Indica. Vol. V. London: Lovell Reeve and Co. pp. 57–58.


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