Show INSECTS THREATEN MANS MAN'S EXISTENCE How flow destructive are the Insect I foes coes ot of man Is disclosed by a bill bul leUn letin Issued by the bureau of ot onto onto- The statement is made that the total annual cost Iff to- the farmers for feeding tho the Insect the United States Is more moro than 1000 1000 alone cause a yearly loss lose to the I farmer The lowly potato bug eats i worth orth of ot farm products In in a icar ear car Food tor for the chInch bug the Hessian fly the codling moth ot of o the apple the San Jose scale of the fruit trees the lire cotton boll wee weevil II the cotton boll norm orm the grain wee weevil 11 and the cattle grub costs our farmers from flom 10 10 10 to a year ear er for each land kind I d of ot Insect named An expert ot of o the bureau In the follo following recognizes how great Is lathe the task of fighting the Insect ene ene- enemies enemies mies of ot man i I I I I I i I I Having Hating at hand a full knowledge I of the habits of ot a II given Insect It usually becomes possible to devise some wa way o of destro destroy ing fag ItIn itin It ItIn In sufficient numbers to prevent It tom robbing the crop grower In such degree as to deprive 0 him or of the fruits of ot Ills hits labor although It should be understood that an Insect seldom It if ever is completely ex exterminated terminated by the efforts ot of man Geology has shown us that out OUI present day Insects inhabited the earth In practically th their lr present fOI ms millions of years ears before e man manmade manmade made his appearance here They cd conditions during long longages longages longages ages when man could not conceivably conceivably ably bat hav ha e a maintained his e and as a Il result ot of o this long ordeal the insects have acquired an adapt adapt- adaptabIlity adaptability ability to environment and a skill In evading e the tile attacks of their ene s mJ inks s y which are tar far beyond the ity it ot or man even with Ith the aid of hIs numerous ingenious artifices e el elto to overcome I That That the insect enemies of oC gro groning ing crops are increasing In III to variety l it if not in number no doubt is perfectly true Many of ot the In Insects In- In Insects Insects sects were present in America lIv- lIv lIvIng liv living ing log on the nall native nathe e plants before man began to cultivate ate the land They did not become pests how how- howe however ever eter e er until mans man's conversion of ot the natural dwelling d places of ot the In Insects insects insects sects into vast grain fields or orchards orchards orchards or vegetable gardens sob lob sobbed lobbed bed the tho insects of oC their ordinary food tood and so altered their eat en environmental Iron mental conditions as to force a amore amore amore more or less complete change In fn InhabIts Inhabits habIts ot of life There are now mil millions lions ot of acres ot of o corn and wheat where nothing but prairie grass grow grew before a few hundred 3 years ears ago while thousands ot of o acres at present are devoted to the production production tion of ot apples and other originally o fruits where the tile nath native e for for- forI forest forest est eat trees of ot the land reigned su premo preme before the tha advent of ot the man In the United States IThe The production ot of cotton really a sub tropical plant throughout the southern southern portion ot of o the United II States Stales la Is another example ot of the groat changes wrought by the ef- ef ef ct efforts torts forts ot of man to produce in bulk those plants or products most suit bult ed bult-ed ed cd to mans man's needs or fancy with wIth- without without lout out sufficient regard to the this result upon tho Insects native nath e to the Boll solI AU All this has resulted In a more or orless orless orless less complete upset In the nice oleo bo blo biological lOgical balance balanco ordinarily maintain maintained maintained ed cd by nature and therefore ne e should not b be surprised that these crops grafted on the plant of ot the country I should be speedily devoured by Ua na r I Live Uve Insects which shish naturally prefer not to starve where their 01 food plants have been removed In addition to this S system stem ot otman's mans man's meddling with natures nature's I I schemes achemes the space transportation facilities Introduced by man have hale furnished ed means for tor I the t he compulsory distribution or of orsome some native insects which origin originally ally were harmless or beneficial In I their habits For tor example the or- or or ordinary potato bug was waa as accustomed I to 10 feed upon a prickly weed aced of ot the I potato family In fn New ew Mexico l and Is to be found there la III Its Irs or- or or ginal original It is now spread pread 1 0 over er the United Stales SlAtes |