a 
‘from green to polished 
Aphids Injurious to Orchard Fruits, Etc. 7 
the abdomen. This is particularly true of the fall migrants, which 
appear upon the trees in the fall. These produce the orange-yellow, 
wingless, egg-laying females (Pl. I, K). The males are winged and 
similar to the fall migrants. 
i i gd.) The” summer 
forms occurring upon plan- 
tain are yellowish green, 
with brown patches at the 
base of the honey tubes. 
SEASONAL HISTORY. 
The eggs of this species 
are deposited on the apple 
in the fall. They are light 
yellow when laid and change 
black. They are placed 
upon the twigs, in the axils 
of the buds, or in crevices 
in the bark, but sometimes 
they are laid upon the 
larger branches. (PI. I, L.) 
They begin hatching at 
about the time the buds 
wee breaking a the ee. Fig. 2.—The rosy aphis: Twisted apple twig resulting from 
(Pl; Ill a) injury by this species. 
Fig 3.—The rosy aphis; Condition of the foliage in spring when leaves curled by this insect are first in 
evidence. . 
The young stem-mother immediately begins feeding upon the 
bursting buds, and as the young leaves develop they curl about her. 
(Fig. 3.) Usually in 15 days the stem-mother is mature, whereupon 
