The herald and news. [volume] (Newberry S.C.) 1903-1937, 1914-09-04
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COTTON ARMY WORM
Catechism BY chronological Division
of Clemson College Farmers
Read.

army worm. or cotton caterpillar,
which has made it's appearance very
Suddenly. Telegrams and letters are
being received by the extension and
chronological divisions Of Clemson
COLLEGE in which urgent requests @or
help are made. Tais caterpillar WORKS
with amazing rapidity when it begins
on a cotton field and any preventive
stfps mast De takeu As scr as the
nest is discovered; otherwise, they
will not avail.
The chronological division o. Clem-
son College mas prepared the cate
chism given below, whic' all farmers
are advised to lad carefully. This
gives all essential informatici about
fine cotton army worm. Farmers are
advised to keep close watch on their
fields and to take the measures re-
commended just as soon as the hrst
,siens of the insect are seen.
Tae catechism is as follows:
l What is the cotton caterpillar?
An insect having four life history
stages:-(a) eggs laid on the food
plants; (b) Caterpillars resembling
corn ear worms, which hatch from
these eggs: Co Pupa; when the cater
nilIar becomes full grown it either
rolds leai over itself or suspends
itself by silken taread from
branch and changes to the resting or
pupa; Cd moth, which comes IRON
the pupa.
,. Why called cotton army worm?
Because when the caterpillars are
abundant they travel in droVes and
this suggest the name.
3 WHAT are it's food plants?
Cotton is the normal food plant and
nothing else will be molested il an
abundant supply of tender cotton can
be obtained
4. Is serious damage over large
areas expected this season?
No. In many fields the parasites OF
this insect are very abundant, having
been bred by the common grass army
worm. In sections where parasites
are very abundant they should con-
troll any out break Of the cotton army
worm
) When first seen what should be
done?
Kill tie worms as far as practicable
by one or more of the methods sug-
gested below or others tnat' the sltua-
ton may suggest.
6. When confined to a field OF cot
ton can they be prevented from
spreading?
Yes, you can plow deep furroW
around the field and when the worms
nile I'D in the furrow drag long
through it. Poison tae adjoining mar
gins of cotton fields i a road or
drive way separates the Infested from
the threatened crop, use drag in kill
ing caterpillars when crossing.
:. Wen a crop is generally in-est-
ed what can be done?
Dust poison.
8. What are the poisons?
Arsenate of lead, Paris green, and
London purple are best in order nam
ed.
9. How muca poison is used per
acre?
About two pounds, less for very
young cotton and two and a half to
three pounds for cotton more than
three feet high.
10. How is powered arsenate OF
lead prepared for use?
1t is ready for use when purchased.
II. How is Paris green prepared?
By mixing it, equal prats with air
slaked lime.
y. How is London purple prepar-
ed?
Same as Paris green. 1t is not re-
commended except in extreme emer-
gencies.
IS. Is there danger O. burning
foliage and injuring plants?
Arsenate of lead does not burn.
Paris green and London purple may
burn more or less severely, therefore
powered arsenate Of lead is emp@ati-
calIy recommended.
"A. What is a practical way Of ap-
plying the poison?
On small areas dust it through
cheese cloth bag attached to the end
OF a stick.
II What is the most practical