Neolepidoptera is a subcohort of cohort Myoglossata

Myoglossata

Myoglossata is a cohort of suborder Glossata within order Lepidoptera, the butterflies and moths. It contains the subcohorts Myoglossata and Neolepidoptera. Myoglossata is considered a clade, that is, a group of organisms made up of a single common ancestor and all of its descendants. They are...

 in suborder Glossata

Glossata

Glossata is the suborder of the insect order Lepidoptera that includes all the superfamilies of moths and butterflies that have a coilable proboscis. ....

 of order Lepidoptera

Lepidoptera

Lepidoptera is a large order of insects that includes moths and butterflies . It is one of the most widespread and widely recognizable insect orders in the world, encompassing moths and the three superfamilies of butterflies, skipper butterflies, and moth-butterflies...

, the butterflies

Butterfly

A butterfly is a mainly day-flying insect of the order Lepidoptera, which includes the butterflies and moths. Like other holometabolous insects, the butterfly's life cycle consists of four parts: egg, larva, pupa and adult. Most species are diurnal. Butterflies have large, often brightly coloured...

 and moth

Moth

A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...

s. They differ from Myoglossata in the larval stage abdominal prolegs, pupal morphology, and the mandibles are reduced in size. They also differ in their reproductive systems. The prolegs have muscles and apical hooklets. The reproductive organs have two openings. There are also differences in the wing structure. The pupae are "incomplete or obtect."