Exoporian : Hepialidae and related families have an external groove that carries sperm from the copulatory opening (gonopore) to the (ovipore) and are termed Exoporian.
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Monotrysian : Primitive groups have a single genital aperture near the end of the abdomen through which both copulation and egg laying occur.
Lepidoptera | lepidoptera | External morphology of Lepidoptera | List of Lepidoptera that feed on maples |