Fig. 15 SEM micrograph of puparia of C. megacephala. Caudal
view of the caudal segment bearing a pair of posterior spiracles.
Bar=500 lm
Fig. 16 SEM micrograph of puparia of C. megacephala. Posterior
spiracles of more or less oval shape, with each bearing three
straight slits (SL), posterior spiracular hair (PSH) and a button (B).
Bar=100 lm