73G 
ANNUAL REPORT OF NEW-YORK 
PINE. TWIGS. 
casting this subject over in his mind for a moment 01 two, will 
doubt but that a few hours devoted to such work, or a whole 
day, should it be required, will be time well spent, and labor 
that will be amply rewarded. 
Pine moths. Equally injurious with the White-pine weevil, 
though fortunately less numerous, are certain small moths per¬ 
taining to the family Tortricidce, which appear to be identical 
in their habits with the Reiinia buoliana and its kindred Euro¬ 
pean species. These in their larva state erode the bark and the 
outer surface of the wood, at one of the uppermost whirls of 
twigs, causing a profuse flow of resinous sap, which, mingled 
with the castings of the worm, concretes and forms a covering, 
which hides and protects the depredator, as he continues his 
work, often completely girdling the main stalk and the bases of 
the branches which are given out at the same point, llicse 
large masses of hardened turpentine around and below the bases 
of some of the upper limbs may 'be noticed in every grove of 
young pines. The leading shoot is hereby often destroyed and 
the tree deformed similarly to the operations of the W hite-pine 
weevil. But I have not yet observed these moths sufficiently 
to attempt drawing up a history and description ot them. 
256- White-pine Aphis, Lachnus Strobi, Fitch. (Homoptera. Aphidoe.) 
Colonies of plant-lice on the ends of the branches, puncturing 
them and extracting their juices, the bark of the infested trees 
having a peculiar black appearance; numbers of ants in company 
with them, and traveling up and down the trunks of the trees 
which they inhabit. The winged individuals 0.20 long to the 
tips of their wings, black, hairy, and sometimes slightly dusted 
over with a white meal-like powder, with a row of white spots 
along the middle of the abdomen, the thighs dull pale yellow at 
their bases, and the fore wings hyaline, with black veins, of 
which the forked one is exceedingly fine and slender. The 
wingless individuals far more numerous, 0.12 long, brownish 
black with a white line along the middle of the thorax am 
white spots along each side of the abdomen which are sometimes 
faint or wanting, the antennas pale with their tips black. 
