Cyclorrhapha

Cyclorrhapha is an unranked taxon within the infraorder Muscomorpha. They are called "Cyclorrhapha" ('circular-seamed flies')^[1] with reference to the circular aperture through which the adult escapes the puparium.^[2] This is a circumscriptional name that has significant historical familiarity, but in the present classification, this name is synonymous with the more recent "Muscomorpha".^[3]

Cyclorrhapha
Musca domestica
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Diptera
Suborder:	Brachycera
Infraorder:	Muscomorpha
Clade:	Eremoneura
(unranked):	Cyclorrhapha
Sections
Schizophora

Cyclorrhapha underwent major adaptive radiation that led to the creation of over 72 000 species. These species share multiple attributes such as the 360-degree rotation of the male terminalia.^[4]

Cyclorrhapha exhibits significant morphological and molecular diversity, including notable changes in anterior egg development, as exemplified by the role of the exuperantia (exu) gene in Anastrepha fraterculus, a species of great agricultural importance.^[5] Additionally, phylogenetic analyses suggest that the larval structures of Cyclorrhapha have evolved in response to varying food consistencies, reflecting their ecological adaptations.^[6]