n it, usually
one or two being placed near each bud. A small cut is made and the egg
is inserted between the bark and the wood, and the opening is then
sealed up with a gummy substance. As the insect moves along the twig a
series of transverse cuts are made in the bark. The twigs usually drop
to the ground. The eggs hatch as soon as the weather becomes
sufficiently warm in spring, and the larvae feed in the twigs, making
tunnels through them as they grow. Later, they pupate within the tunnels
and emerge during August and September as fully developed insects,
having spent one year in their growth from egg to mature insect. It is
believed that in some cases the life cycle lasts two years.

The best and most effective treatment is to gather and burn all the
twigs which have been cut from the trees. This should be done,
preferably late in autumn after the leaves have fallen, as there is
greater certainty of getting all the severed twigs than if left until a
later date.

THE OAK PRUNER (_Elaphidion villosum_): Sometimes[M] pecan twigs, when
smartly bent, will snap off with a clean, square cut across the
branches, as if they were hollow-glass tubes, breaking at cracked or
weakened places. An examination of such a broken stem shows "that its
woody part, with the exception of a few fibers and the bark, has been
cut across as if with a saw by a soft, yellowish-white grub, which can
often be found in a burrow in the severed part. Since the uncut bark is
the chief support left for the branch, any stiff wind or even its own
weight will break it off as soon as it has become deadened. * * * * * *

"The adult is a longicorn beetle, of slender, cylindrical form,
over one-half inch in length and about one-eighth of an inch in
width. It is of a dull, black color, tinged with brown on the
wing covers, especially toward their tips. The underside of the
body and legs are chestnut colored. Over all parts of the body
can be found short, grayish hairs. Some small, gray spots on
the wing-covers and a whitish dot on each side of the thorax
are formed by dense collections of gray hairs at these points.
Coarse, round punctures are thickly sprinkled over the upper
surface of the thorax and wing-covers.

"The larva, when grown, is about three-fifths of an inch long,
tapering backwards from the neck. The body is divided by deep
grooves into twelve rings or segments. There are three