Queen blow fly 
Phormia regina Meig. 
1 Anterior extremity of first stage maggot, showing the cephalo- 
pharyngeal skeleton and the transverse bands of chitinous 
points (x 100) 
2 Anterior portion of second stage maggot, showing cephalo- 
pharyngeal skeleton (x 100) 
3 Cephalo-pharyngeal skeleton of third stage maggot (x 66) 
[234] 
