Morpho laertes

Morpho laertes (formerly Morpho epistrophus), the white morpho or Epistrophus white morpho, is a Neotropical butterfly found in Brazil, Uruguay, Paraguay, and Argentina.

Morpho laertes
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Nymphalidae
Tribe:
Morphini
Genus:
Morpho
Species:
M. laertes
Binomial name
Morpho laertes
(Drury, 1782)
Synonyms
  • Papilio laertes Drury, 1782
  • Papilio epistrophus Fabricius, 1796
  • Morpho eristrophis Hübner, 1816/24
  • Morpho laertes eutropius Fruhstorfer, 1912
  • Morpho laertes nikolajewna Weber, 1951
Morpho epistrophus catenaria

Description

In 1913, Hans Fruhstorfer wrote in Die Gross-Schmetterlinge der Erde:

Group Morpho F. (= Leonte Hbn.). Species with metallic gloss on the upper surface; upper discocellular short, middle strongly convex proximally, lower concave distally, in the obtuse angle directed towards the anterior median. Cell of the forewing considerably widened towards the apex. Uncus and its lateral clasps relatively slender, valve distally spined.

Plate from Seitz showing undersides of M. laertes and subspecies argentinus

Morpho laertes is the best known of a small group of species that differ from all their allies by its chalky, milky, or silvery white ground-colour. M. laertes may be easily distinguished by the connected chain of narrow, oblong, ocellated median spots on the underside of the hindwing, which have mostly only indistinct white pupils and washed-out yellowish bordering. The bluish white colouring is brought out very well in the figure. The upper surface resembles the figured underside, except that the forewing continues narrowly margined with black to about the middle of the median area. Hindwing with some elongate black anteterminal and more distinct submarginal patches. M. laertes only inhabits the provinces of Rio de Janeiro and Espírito Santo and is very common both at Rio and Petropolis from January to March. Larvae nest on various forest-trees. It was first described by Burmeister. Arrangement of the bristles according to Dr. Wilhelm Müller are like Morpho hercules.[1]

Taxonomy

When first described in 1782 laertes was placed in the genus Papilio. The specimen was from Brasília. It is a valid name in The Global Lepidoptera Names Index.[2]

Currently it is placed in the subgenus Pessonia (Le Moult & Réal 1962) of genus Morpho, along with the closely related species Morpho catenarius (Perry, 1811), Morpho luna (Butler), Morpho polyphemus (Dixey), and Morpho titei (Drury, 1770). It is now considered a junior synonym of Morpho epistrophus.

Etymology

The name comes from Laërtes, a figure in Greek mythology. Epistrophus is a character in the Iliad.

Subspecies

Subspecies in alphabetical order:

References
  1. Fruhstorfer, H. (1913). Family: Morphidae. In A. Seitz (editor), Macrolepidoptera of the World, vol. 5: 333–356. Stuttgart: Alfred Kernen.
  2. Beccaloni, G.; Scoble, M.; Kitching, I.; Simonsen, T.; Robinson, G.; Pitkin, B.; Hine, A.; Lyal, C., eds. (2003). "Morpho laertes". The Global Lepidoptera Names Index. Natural History Museum. Retrieved October 1, 2018.

Bibliography
  • Blandin, P. 2007. The genus Morpho, Lepidoptera Nymphalidae. Part 3. The Subgenera Pessonia, Grasseia and Morpho and Addenda to Parts 1 & 2. Hillside Books, Canterbury
  • Le Moult (E.) & Réal (P.) (1962–1963). "Les Morpho d'Amérique du Sud et Centrale." Editions du cabinet entomologique. E. Le Moult, Paris.


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