Pine Bluff daily graphic., 1911-11-28

III uous Ci the iOllOIi oN tClls' N- l Arkansas leaf-Worm has done great lamage during August and Septembe. 5f 1911. This worm has stripped the foliage, leaving the plants bare and naked and unable to mature the small and medium sized bolls. This pest was not the true army worm, and 1t was different from the boil weevil. It Is properly called the cotton leaf worm. This worm feeds only on cot ton The tiny caterpillars of this species hatch from eggs laid scatter ingly on the under side of the leaves by the parent moth. When t4iey ~rc full grown, they turn into brownish pupae tied up in the leaves. In this which is the adult insect. All in lividuals have to pass through the l first three stages in order to become moths. The adults pair, and tie fe- males lay an average of 300 eggs, after which they die, and the life cycle from egg to moth is thus end 1 ed. The moths are strong fiie"s, and are attracted to lights in vast num- bers. The winters of Arkansas kill off all stages of this pest. The spec ies passes the winter as adult moths in the far South, and the later genera tons of the moths migrate northward as the season advances, becoming numerous enough to be pest in this state early in August. There are seven generations in the extreme South, but probably not over four or five in Arkansas. The eggs, worms and pupae are all subject to parasites which destroy great meny. There are many insectivorous birds and ants Those enemies of the insect will probably destroy so many this year that they will not be such pest next rear. Such has been the usual history of similar outbreakes of insect pests Prevertives ard Remedies.
 , It is appalling to learn how helpless the cotton farmers have been this year in controlling the pest. In mos cases no attempt was made to stoI the damage. And yet this pest is ,ontrollab!e by those who know how and are prepared to fight it. The only preventive measure that would } be of value consist in planting the 3 cotton far enough apart to allow thu 9 sun to reach the ground. When thu worms and pupae fall on the hot soil :, they become benumbed and easil. fall prey to their numerous enemies , The best way to destroy them is witt 1 powdered arsenate of lead applied a l. the rate of three or more pounds t ' the acre according to the size of th
 plants. If this insecticide cannot b
 bought, Paris green can be used b
 mixing one rart of the same with tw
 parts of flour. The flour makes !. a good sticker for the green, but it l. not necessary, if arsenate of lead n used Paris green is more nt 7h,,rn. the foliage, and it doe na. at' ., js js lie So wei '~t" the ere fees of u u ,, leaves as the arse4ate of lea V, The arsenical poison should be duste u on tte plants just as soon as the Ii IL tie W0fhs bestn. to rag the cotto 1t This injury is firsfhoticed in the tor T ef the plants, ard onls2ia spots in tn D. fields. These places shou1o~be tho h oughly and forcefully dusted at One II At such tima-it is not necessary { lg dust the whole field, unless the worm s harpen to be scattering over it.
 .. There is some differNnce of opinio ,, as to the best tools to To the dustin ., with. The farmers commonly use tw = sacks hung on the ends Nf pole ca ' ried by a man on mule This dust two rows at time, ad one ma ne can thus treat about 15 cres day as This mathod undoubtedlyNdo som ly good. and is better than To method ca but modern dusting apparats are no,
 on the market with whichthe wor
 can he done more thoroshly an
 faster. A convenient handauster i
 sold, called the "Champion dst gun. of There are horse power dusFs witt t as many as six outlets for e dus, |. which cost $6O to $f5. It Nstate' ate that one man with good ten cal 1at dust 50 acres with one of tha in Ter day. The Champion dust gA ha be- given excellent satisfaction threat
 'ag cotton for the boil weeyil th' 1as Tar South The horse power tflt th- could be made very practical fous, ors on a large scale All growersEht :. --o,-e had trouble this year shouldu! = ! Champion dust gun at least. if ey - ,- rc.hing more extensively. andl ~" ,eadv tc dnst the tops of the pla, Ter vhen next year the worms begin' ,ity .ae them. The gun would be m
 ,sefui tor ths part of the work u oys he sacks could possibly be- 1
 grower should remember that
 arsenical insecticides are poison,