New-York tribune., 1902-03-30
FOES OF THE ELM TREE.
Continued from sixth page.

lower Hudson Valley and the Islands @ IA arqgnd m THE the
metrop%As ts name IS GerHe1 ca from g9 A4C' 1 , t,l
a case. which II carries around everywhere ana
twg or leaf on reaching the pupal stage Of exist
ence. Ihls worm Is not more than an tlsnth OF i
quarter Of inch long after Matching but II some
times grows 70 about ;hree-quarters OF an men,
the e'm Iree Reee G1ss' or Srely & Gosd ' i9
GIder ia!eI EsSS "4CH ] n@vS oSn b -
career extends from May or June 10 early Septem,
hung from twig it is usually enlarged by the ad-
Gitlon Of bits OF wood 10 length or Iuly Two
inches. The female. being larger, has bigger PI-
Pa s Gaze 5 ns 10 d . Pee es sHs and them
species IS small butterfly.
bags containing the eggs in winter. For sPTayIng
bs bes s9d 0 Ffsen ounces Of arseSate
forty gallons OF water Is the right combination
tree 35f ea eSsTr IN IN fog %e6 around two
or three leaves and then feeding on them. But II
which reason II is popularity known as the "fGl
spring and constructs its airy habitatons in the
crotches Of branch, and without tnelos!ng leaves
The effect is TO render the remainder brown semi
transparent and unsightly This caterpillar attaas
a length OF much more than an inch, is sparseiy
provided with hairs. Is generally Yellow but mas
black head and TWO rows OF dark dots along It's
back. The moth is variable In appearance, sonIr-
times being entirely white but often bearing
number OF dark spots, - ,.u.zo-.uo,,-z ...,,-
emerses in May or June and files for several weeks
6g the Sdesf sde of a ana bse are hach in
few davs in warm weather. Caterpiars appear In
a second brood is developed. The srubs at once
5ssn 70 spin web, @ @%hieH Is extended to include
ct.e is always large enough 10 house the worms
the bark or in the earth
White elms. willows, poplars and some fruit trees
rarages are more serious In the Southern States
however than in this latitude - ..
sprayed adyantageousiy. But after il has formed
a web the best way is to cut OF the limb and crush
Or burn the insects. 1t is bad plan 10 apply fire
4 worm which differs from the one last described
and Yet needs 10 be taken into account, is called
spnos along its back instead OF soft flexible hairs
This insect is fully two inches long, and is almost
ais is much shorter and pnkish while the butter
the wings is about three inches: and the color a
rich brown or maroon addltloral beauty being at,
forded by blue spots and border of black and
The spiny caterpillar is gregarlous in It's instincts
The young array themselves side by side in large
numbers. Often their weight is sufficient 10 bend
to ae Of 6 b m s eus ca
branch on which such clusters are seen; and crush
ing the caterplars. They may also be dtslodged
by iarrng with malet or the hasty flash of
torch, and then killed ON the ground.
An insect which makes good deal OF mischief
but Is hard TO detect is the grub of beetle which
ally it exists there in great numbers. The borer
mines and Burrows there before its Existence is
suspected The parent is gray beetle, about half
the back, Eggs deposited in the outside OF the
bark. but the grub, as soon as 1t matches, works
As It grows in strength and appetite Il will nearly
Ing on the soft tissues there is often suficent 10
kill tree entirely. When the grub becomes
the final TRANSFORMATION to beetle occurs the in
The borer is a difficult subject to deal with
DR. Felt advises cutting down trees which
the beetles emerge and then burning the wood
Carbolic washes are recommended by others. but he
might use one Of this kind: fhin gallon Of soft
soap with gallon Of hot water. and stir in either
a pint OF crude carboc acid or a half pint of the
night, and then add eight gallons Of soft water
Keep the bark M moist 3 Wth wi nh this from the latter part
Two other species of beetle are sometimes found
smaer an ere nS Follow their bigger TeIafves
branches while the borer operates the trunk.
DR. Felt calls these allies "snout beetles" because
thew have short rigid probosces The small beetles
are sometimes black and sometimes red and
scarcely over fourth Of an inch long; The two
kinds have about the s same IS, sort Of & grub which is
and less destructive It's color is pale yellow or
no Feit closes his enumeration by describing an
insect that is neither beetle nor butterfly. The
elm bark louise ne says is an importation @ II IS
foliage but by saPping ping trees whose vitality is
The louse haunts the leaves and smaller limbs and
sucks a great deal OF Juice out of them. which it
moisture tor honey dew from bark lice are often
distinctly Perceptible on warm June day TO an
4 fuli grown female OF this species is not over
COLOR tsn' but is White At the eStTemties The y6uhe M
are light yellow. and often swarm abundantly on
a twig leaf 10 almost completely cover its
surface The male, ~ queer freak of nature. is
sometimes provided with light. transparent wings
and sometimes is without such appendages. In this
one he also has two long, slender hairke MA
ments extending like tail, but when he has no
wings the other feature is missing. too The mature
lice most conspicuous in April. May and June,
and their young generally appear In July in the
latitude OF Albany.
To get rid of this particular nuisance a powerful
stream of water would be serviceable. but spraying
with nsecticde is probably the best remedy
Whatever emDlONG0 needs be
four times as strong in the fall as In the spring