78 JOURNAL OF ENTOMOLOGY AND ZOOLOGY 



forked leaf and bark spines of the oak. The shape is oblong 

 oval, tlie length being from 0.8 mm. to 1 mm. The width is slightly 

 more than half the length. 



Bodies — The bodies of the mature females are oval in shape 

 (Fig. 3, D), being noticeably wider near the anterior end. The 



Figure 3. Prolodiaspis ayrifolia. Male scales on the underside of an oak leaf. 

 (Original). 



length is about 0.5 mm. and the width 0.3 mm. Some are larger 

 and not a few considerably smaller. The mouth parts are 

 exceedingly large for the size of the insect — the rostral loop 



