Ditrysian

Oviscapt (ovipositor):

piercing

Female genitalia description:

Oviscapt with a compressed, acute apex usually minutely serrated along ventral keel. Spermatheca without lateral lagena. Ductus and corpus bursae membranous, without spines or signa.

Female corethrogyne:

absent

Female pregenital sexual scales:

absent

Female oviduct opening:

in cloaca

Male coremata:

absent

Male pregenital sexual scales:

absent

Male genitalia description:

Uncus reduced, often bilobed; tegumen a moderate to narrow, dorsal band. Vinculum well developed with an elongate, broad to slender, V- to Y-shaped saccus. Valvae with 0-3 pairs of either sessile or pedunculate pectinifers; pectinifers absent in Adela, Cauchus, Nemophora, and some subgenera of Ceromitia. Juxta slender, sagittate.  Aedoeagus an elongate tube; cornuti usually present. apex sometimes also armed with large, exogenous spines.

Sternum 5:

without fenestra

Sternum 5 gland:

absent

Adult abdomen description:

Anterior third of sternum 2 with a slender, U-shaped caudal rim; sternum 7 of female triangular to subrectangular, caudal margin  rounded to slightly emarginate.

Male has:

phallotheca and aedeagus (phallus)