The Lubbock avalanche. (Lubbock, Tex.) 1909-1922, 1914-05-28
ORCHARD INSECT PESTS
J. w. Nei,l Says IL is oepIorable
That So Many Orchards Are Be-
ing Destroyed by Insects.

10 oe OF tne oplhion thhl u N "y
weather and sun scalds. II these
trees be examined closely, IL viii be
found that they have been killed by
boners. OF which we have three dis
tinct species. As follows:
The roundhead apple tree borer.
(Sapera condidaD. the iatshot hole
borer and the 'fat.head apple tree
borer (Chrysoborthis femorta).
All II them may fall upon the same
tree. a snort history Of their life
and habits Is necessary to thorough
iy apply the remedy
Round Head Borers
The egg Is layed by long horned
beetle. broad shouldered, and white
stripe on each wing. and whit
ish underneath The egg is laid IN
a small slit made in the base OF the
tree By the beetle. during May and
June. and by evern later generations
In July
In few days, the egg matches a
small white. lesless grrb and It at
once begins to tunnel. feeding upon
the cambian layer and part Of
the outer sap wood In the fall they
make their way down below the
earth's surface and winter in the
root system. and in the spring they
t.,,.af ..a.l .,d .tr As.rff nr Nav
they tunnel out to the outer bark,
making a curve. then back below the
curve. pupaie and turn 20 a beetle.
This pupae is rather cylindrical In
shape and completes life cycle
In three years Although they may
be found Ia nearly all stages In the
same tree. They will attack almost
any kind OF a fruit tree. and are es-
peclally fond Of ths ounce, pear
and apple. Like other borers, they
prefer a weak tree IN preference TO
a healthy one. hence the orchard
should b. well cared Tor. as healthy
and vigorous tree is more resistant
Trees should never be- allowed to
die IN The orchard. nor cut and drag.
ged out. but should I've burned by the
frst - April. At least. while The In.
sects are in the hryri or pupss
stage BADLY infested trees should
be cut ana burned. but Il IL better
10 Dig them np. should be close eS
amintd and the borers cut ont: or
probe into the tree with a wire. and
with a small syrings squirt drop
OF carbon bisulphide into the tunnel,
then putty or clay the hole shut.
The gas win XIII them. To prevent
the Insects from attacking tree. a
screen or net made Of mosquito bar
should be placed around the tree. ex-
tending upward about two feet and
then tied around the tree during the
laying season. The tree should be
whitewashed thoroughly with one OF
the washes given at the close OF
this article.
Fiat Head Appie Tree eorers
The egg is lsyed by a metallic col.
ored beetle about half an inch loos.
copper-colored underneath. The egg
Is usually laid on the southwest side
OF the tree. where IL is moss expos
ed to the sun. OF In the crevtces- of
the bark. to - inches from the
ground. Not infrequentp. We nnd
them on the crsaehes. and even IN
tho branches. rhs egg is laid dur
inx the ncnths Of Nay and June.
Tue egg matches In few days and
bex1ns feeding On the inner bArh
and The outsr ssp~ood. until In the
early wtntert when they tuun~ into
rhs tree. carefully Aiiipg in bchind
ttsm with snwdust and eacroent.
AZ from ono To three inches In the
trss. they turn aroupd with their
heads twoarx ths bsrk. There tbsy
chznss to y pupas and In about 10
days toa bestls..
They them coma cs<. leaving an el-
sRpsicai <hAeeA hsse. which osussss
people U beikeve that wss where
the borsr eu1sred the trce. This
species Of borss completes hfe cy-
clio in about one year. Like the round
heAded borsr. they prefer a weak
tr~~ and will attack any kind OF
fruit tire: IL peoosbly causes more
damage than any other borer. be-
cause Il is nov over a greater part
cf the country. The bceties are now
coming forth and ~ili be for soms
days. Destroy al the badly Infested
trees oy burning them. the others may
b. treated. Neglected and abandon
I'd orchards are breeding spots. and
should be- destroyed. No tree should
be allowed to die In the orchard.
Cut n out. or prcbs In and An ths
borers and fcllo~ instructions given
"a clcse of thl< article