89 
Reports to various Correspondents. 
the pupae have not already done so, and fly from tree to tree. This 
winged female (Fig. 20) is of a golden-brown colour with short green 
legs, and the short shiny oval abdomen with a few waxy wavy white 
filaments ; the wings when mature are slightly tinged with green. 
This winged brood lays eggs (Fig. 19, e) towards autumn on the 
Fig. 19. — spruce gall aphis ( Chernies abietis). 
a, Infested spruce shoot (half natural size) ; b, young 9 of winter generation ; 
c, adult 9 winter generation ; d, egg laid by 9 of winter generation; e, egg of 
summer generation ;/, nymph of summer generation, (b to/ partly after Kernald.) 
apices of the leaves, and covers them with white wool. These 
eggs soon hatch into larvae, generally in two weeks. Some of 
these minute brown larvae rest on the leaves and die in the winter, 
