Cnephasia longana: sacculus short, straight, aedeagus robust with terminal teeth (cf. gueneana which has a simple, slender un-toothed aedeagus)

Cnephasia conspersana: sacculus short, up- turned; aedeagus slender, slightly curved

Cnephasia incertana: gnathos (arrowed) clearly scrobinate (asseclana may appear to have a faint pattern here but its sacculus are long).

Cnephasia stephensiana: sacculus medium-long, slightly curved, upturned; aedeagus slender, arched.

Cnephasia asseclana : sacculus long, slightly drooping; aedeagus robust.

Cnephasia genitalana : sacculus very long, strongly drooping; aedeagus slender, curved.

Cnephasia UK males

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longana I conspersana I incertana I communana I pumicana I stephensiana I asseclana I genitalana

Cnephasia communana: sacculus of medium length, aedeagus straight.

Cnephasia pumicana: sacculus of medium length, drooping strongly; aedeagus curved.

Cnephasia pasiuana: sacculus of medium length, drooping strongly; aedeagus more stronglycurved than pumicana.