288 



MANUAL OP THE APIARY. 



visible when magnified 30 or 40 diameters. The 9-jointed 

 abdomen is deeply eniarginate, or cut into posteriorly, (Fig. 

 113, 3), and on each side of this slit is a projecting stylet or 

 hair, (Figs. 113, 3 and 4), while from between the eyes, on 

 the under side of the head, extends the long recurved beak, 

 (Fig. 113, 4). The larvae soon leave the scales, crawl about 

 the tree, and finally fasten by inserting their long slender 

 beaks, when they so pump up the sap that they grow with 

 surprising rapidity. In a few weeks their legs and antennae 

 seem to disappear as they become relatively so small, and 



the scale-like form is assumed. In the following summer the 

 scale is full-formed and the eggs are developed. Soon the 

 scale, which is but the carcass of the once active louse, drops 

 from the tree, and the work of destruction is left to the 

 young lice, a responsibility which they seem quite ready to 

 assume. 



In my observations I have detected no males. Judging 

 from others of the bark-lice, these must possess wings, and 



