Ditrysia

The Ditrysia are a natural group or clade of insects in the lepidopteran order containing both butterflies and moths. They are so named because the female has two distinct sexual openings: one for mating, and the other for laying eggs (in contrast to the Monotrysia).

Ditrysia
Kamehameha
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Clade: Myoglossata
Clade: Neolepidoptera
Infraorder: Heteroneura
Clade: Eulepidoptera
Clade: Ditrysia
Borner, 1925
Principal clades and superfamilies

About 98% of described species of Lepidoptera belong to Ditrysia. The group can be divided into the primitive but paraphyletic "micromoths" and the derived monophyletic Apoditrysia, which include mostly larger moths, as well as the butterflies. Those with a dorsal heart vessel belong in section Cossina.[1] Others, having a ventral heart vessel, belong in section Tineina. While it is difficult to pinpoint the origin of affinities between clades, Tineodiea are found to be useful in understanding the vast diversity in Ditrysia.

See also

References
  1. page 657 of Capinera
  • Kristensen, N. P. and Skalski, A.W. (1999). Phylogeny and paleontology. Pages 7–25 in: Lepidoptera: Moths and Butterflies. 1. Evolution, Systematics, and Biogeography. Handbook of Zoology Vol. IV, Part 35. N. P. Kristensen, ed. De Gruyter, Berlin and New York.
  • Capinera, John, editor (2008), Encyclopedia of Entomology, 2nd ed., Springer Verlag, New York.
  • Regier, J. C., Mitter, C., Davis, D. R., Harrison, T. L., Sohn, J., Cummings, M. P., . . . Mitter, K. T. (2015). A molecular phylogeny and revised classification for the oldest ditrysian moth lineages (lepidoptera: Tineoidea), with implications for ancestral feeding habits of the mega-diverse ditrysia. Systematic Entomology, 40(2), 409-432. doi:10.1111/syen.12110


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