Antennæ filiform, wings tile-shaped.

Lepidoptera of considerable size, proceeding out of

Caterpillars, with many feet, and frequently covered with hair, which live mostly in a state of freedom upon plants, and in some cases make large cocoons freely exposed, in others under the earth—Noctuidæ and Bombycidæ.

Alliance 1. Moth-like Spinners, Noctuidæ.

a. Typical: Hadenæ.
b. Pseudobombycoid: Catocalæ.
c. Bombycoid: Erebidæ.

Alliance 2. Typical Spinners, Pseudo-Bombyces.

a. Noctua-like: Psyches, Limacodes.
b. Typical: Notodontæ.
c. Bombycoid: Callimorphæ.

Alliance 3. Homalopteroid Spinners, Bombycidæ.

a. Noctua-like: Bombyces.
b. Pseudo-Bombycoid: Saturniæ.
c. Typical: Hepialidæ.

Fam. 3. Typical Lepidoptera, Homaloptera.