Ditrysia

Definition

A division within the order Lepidoptera, comprising the majority of moths and butterflies, characterized by having females with two separate genital openings.

Etymology

From Greek 'di-' meaning 'two' and 'trysis' meaning 'a perforation', referring to the dual genital openings in females.

Example

Ditrysia include most of the moth and butterfly species familiar to people.

Related Terms

• Lepidoptera
• Moths
• Butterflies
• Genital openings

Usage Notes

Ditrysia is a highly diverse superfamily within Lepidoptera, encompassing over 98% of described species.