Larval eyes present or absent?

No eyes.  Apical tuft present or absent.

No eyes.  Apical tuft present or absent.

Eyes present and may be sub-epidermal, intra-epidermal, paired or unpaired.  Apical tuft present or absent.

Eyes present and may be sub-epidermal, intra-epidermal, paired or unpaired.  Apical tuft present or absent.

General larval morphology = vermiform, oval or round

Larval ciliation = uniform