Reports to various Correspondents. 89 



tlie ])iipiv liav^e not already done so, and fly from tree to tree. Tins 

 winged female (Fig. 20) is of a golden-brown colonr 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, c) towards autumn on th(^ 



Fig. 19. — spruce gall aphis {Chermes abietis). 



a, Infested spi\ice shoot (half natural size) ; I, young ? of vviiitei- generation ; 

 c, adult 9 winter generation; d, egg laid iiy ? 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 larvse, generally in two weeks. Some of 

 these minute brown larvfe rest on the leaves and die in the winter. 



