72 



DIASPIN2E: OVUM. 



OVUM. 



The eggs are laid within the puparium (PL XIV, 

 fig. 3), and are of an elongate form, with the ends 

 equally rounded, usually straight, but sometimes slightly 

 curved (PL XIII, fig. 7). 



LAEVA. 



Active for a short period only. Form ovate or 

 slightly elongate (Fig. 8, Mytilaspis pomorum). An- 

 tennae normally of six joints (Fig. 9). The funiculate 

 examples, which frequently occur, appear to consist of 



Fia. 9. 



FIG. 8. 



FIG. 10. 



FIG. 8. Larva of Mytilaspis pomorum, ventral. 



FIG. 9. Antenna of ditto. 



FIG. 10. Leg of ditto. All magnified. 



only five joints (PL XVIII, fig. 7), but owing to the 

 numerous transverse wrinkles in the long terminal 

 joint it is impossible to trace an additional articula- 

 tion. 



The segmentation of the thoracic and six abdominal 

 segments can be traced ; the remaining segments, 

 being fused together, form the pygidium, which bears 



