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The Monotrysia are a group of moths in the lepidopteran order, not currently considered to be a natural group or clade. Apart from the recently discovered family Andesianidae,[1][2] most of the group consists of small, relatively understudied species. The group is so named because the female has a single genital opening for mating and laying eggs, in contrast to the rest of the Lepidoptera (Ditrysia), which have two female reproductive openings.[3] They comprise all of the group Heteroneura apart from the Ditrysia.

See also

Lepidoptera § History of study


Davis, D. R. (1986). A new family of monotrysian moths from austral South America (Lepidoptera: Palaephatidae), with a phylogenetic review of the Monotrysia. Smithsonian Contributions to Zoology, 434: 1-202.
Davis, D. R. and Gentili, P. (2003). Andesianidae, a new family of monotrysian moths (Lepidoptera: Andesianoidea) from South America. Invertebrate Systematics, 17: 15-26.Abstract

Dugdale, J.S. (1974). Female genital classification in the classification of Lepidoptera. New Zealand Journal of Entomology, 1(2): 127-146. pdf[permanent dead link]

Further reading

Davis D. R. (1999). The Monotrysian Heteroneura. Pages 65–90 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.

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