Keowee courier. [volume] (Pickens Court House, S.C.) 1849-current, 1913-07-02
ABOUT THE ARMY WORM.
Entomologist Conradi Gives Answers
to Some Common Inquiries.

insect having four life history stages
la eggs laid in food plants; (b)
caterpillars resembling corn ear
worms (worms), which hatch from
these eggs; (c) pupa. When the
caterpillar becomes full grown it
goes into the ground and changes to
the resting stage or pupa; Cd
moth, which comes from the pupa.
2. Why called army worm? A, Be-
cause when the caterpillars are very
abundant they travel in droves, and
this suggests the name.
8. What are it's food plants? A
1T has large number Of food plants.
1t has preference for vetch and ten
der grasses. From these the cater
pillars migrate to corn and cotton
and other cultivated plants, including
garden crops. 1t is fond of the pods
of vetch.
A. Has the insect appeared yet this
season? A. Yes; in Calhoun county.
b. VIII 1t do as much damage as
last season? A. The natural enc
mics are numerous and while 1t ap-
pears that they will reduce the sue
ceeding generations this should not
be depended on.
6. How many generations a sea
son? A. Four.
Z. When first seen what should be
done? A. Kill the worms as far as
practicable by one or more of the
methods suggested below or others
that the situation may suggest.
3. When confined to field of
grass or Vetch can they be prevented
from spreading? A. Yes, you can
plow deep furrow around the field
and when the worms pile up in the
furrow drag log through it.. Poi
son the adjoining margins of corn
and cotton fields. Craze the infested
area heavily. If ground is level use
heavy roller. If road or driveway
separates the infested from the
threatened crop use drag in killing
the caterpillars when crossing. Cut
and cure the infested grass for hay
If far enough advanced and plow and
plant another crop.
y. When crop is generally in
tested, what can be done? A. Dust
poison.
10. What are the poisons? A. Ar
senate Of lead, Paris green and Lon
don purple are best in order named.
IL. How much poison is used per
acre? A. About two pounds, less for
very young cotton and two and half
to three pounds for cotton more than
three feet l1gh.
IL. How is powdered arsenate of
lead prepared for use? A. 1t is
ready for use when purchased.
Is. how Is Paris green prepared?
A. BY mixing 1T, equal parts with
air slaked lime.
IA. How is London purple pre-
pared? A. Same as Paris green. 1t
is not recommended except in ex-
treme emergencies.
10. Is there danger of burning
foliage and ;njuring plants? A. Ar
senate of lead does not burn. Paris
green and London purple may burn
more or less severely, therefore pow
dered arsenate of lead. is emphatt-
cally recommended
16. What is practical way OF ap-
plying the poison2 A. on snail
areas dust 1t through a cheese cloth
bag attached to end of stick.
II. What is the most practical
way OF busting large areas? A. Two
sacks and pole carried on horseback.
10. How is this made? A. A strip
Of wood three inches wide, one inch
thick and one foot longer than with
of rows. Six inches from eacn end
bore hole one inch or more in di-
ounce duck six inches deep and twe,,-
ty inches long and about the width
of the strip of wood. The open sides
are tackled to the ends of the strip
(called pole) and these can be file /
with poison through the auger hole
In the ends of the pole. A funnel
can be used to advantage.
~. How large an erea can one
man poison per day? A. With the
apparatus for poisoning two rows at
time, carried on horseback Cas ex-
planned in question No. 19.) one man
can poison 20 acres per day.
81. Is there danger Of poisoning
stock? A. Yes. After one or two
heavy rains there Is practically no
danger, nor after an interval of
about three weeks. The only cases
OF stock poisoning known are those
where poison wa; wasted when fill
ing sacks and stock broke into the
field.
. %. Do these poisons aggravate
wounds or sores on man or animals :?
A. Sometimes they do. Before using
the poison 1t is we'll to cover one;
sores or wash them after the work is
done.
%. How can I prevent the mule
~ o"',hS PoiSohSu eoILOn OF corn
A. MuZzle the mule
"a. VIII poison blown on the mule
be injurious to the animal? A. Wash
the mule after the work Is done.
20. Using the stick and bag me-
thod, how do l know when / am
busting the right amount? A. BY
weighing pole and sacks before and
after busting known area. Use
good Judgment. A small variation
Is immaterial.
20. When Is the best time to dust :?
a. In the morning when the dew is
ON and no heavy wind.
81. May the sacks touch the foli-