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""Lepidoptera 001.jpg
"Celastrina argiolus ("Lepidoptera)
Micropterna sequax ("Trichoptera)
"Scientific classification "e
Kingdom: "Animalia
Clade: "Euarthropoda
Class: "Insecta
Superorder: "Panorpida
(unranked): Amphiesmenoptera
Kiriakoff, 1948

Amphiesmenoptera is an "insect "superorder, established by S. G. Kiriakoff,[1] but often credited to "Willi Hennig in his revision of insect taxonomy for two sister orders: "Lepidoptera (butterflies and moths) and "Trichoptera (caddisflies). In 2017, a third fossil order was added to the group, the Tarachoptera.[2]

Trichoptera and Lepidoptera share a number of derived characters ("synapomorphies) which demonstrate their common descent:

Thus these two extant orders are sisters, with Tarachoptera basal to both groups. Amphiesmenoptera probably evolved in the "Jurassic.[3] Lepidoptera differ from the Trichoptera in several features, including wing venation, form of the scales on the wings, loss of the "cerci, loss of an "ocellus, and changes to the legs.[3]

Amphiesmenoptera are thought to be the "sister group of Antliophora, a proposed superorder comprising "Diptera (flies), "Siphonaptera (fleas) and "Mecoptera (scorpionflies). Together, Amphiesmenoptera and Antliophora compose the group "Mecopterida.[4]


  1. ^ S. G. Kiriakoff (1948). "A classification of the Lepidoptera and related groups with some remarks on taxonomy". Biologisch Jaarboek. 15: 118–143. 
  2. ^ Wolfram Mey; Wilfried Wichard; Patrick Müller; Bo Wang (2017). "The blueprint of the Amphiesmenoptera – Tarachoptera, a new order of insects from Burmese amber (Insecta, Amphiesmenoptera)". Fossil Record. 20 (2): 129–145. "doi:10.5194/fr-20-129-2017. 
  3. ^ a b c D. Grimaldi; M. S. Engel (2005). Evolution of the Insects. "Cambridge University Press. "ISBN "0-521-82149-5. 
  4. ^ M. F. Whiting; J. C. Carpenter; Q. D. Wheeler; W. C. Wheeler (March 1997). "The Strepsiptera problem: phylogeny of the holometabolous insect orders inferred from 18S and 28S ribosomal DNA sequences and morphology". "Systematic Biology. 46 (1): 1–68. "doi:10.1093/sysbio/46.1.1. "PMID 11975347. 
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