| Show n EFFORTS BEING MADE TO PREVENT I SPREAD OF EUROPEAN CORN BORER imm i Prepared by the United State Statu Department of Agriculture Special efforts to prevent the European European Eu corn borer from spreading to the corn belt which It now threatens to do from the southern shore of ot Lake Erie will bo made this season by the United States Department t of Agriculture The most Important single sin sin- ale gle measure will be bo the rigid enforcement enforcement enforce enforce- ment meat of federal quarantine regulations by the federal horticultural board of ot the department In operation co with the Canadian government and the various va Ta va- va rious states where the tho pest now ex ex- This will prevent pre other infestations Infestations Infesta infesta- of ot the Insect from coming Into tho the United States and will go a long longway longway longway way toward rd keeping the borer from being carried to other parts of ot the country The bureau of entomology of ot the department has prepared Its plans for tor investigating the Insect which was discovered In this country during 1 1017 17 with a view to applying and amplifying methods of controlling it The slight infestations along the lake shore It Is believed will wUl not cause serious injury to corn there immediately giving ample am am- ample pIe time for tor a careful study of or the In Insect insect In in- sect and Its behavior in this new environment environment en en- before actual commercial damage is done For this purpose the bureau will establish Immediately a number of entomologists at Sandusky Ohio May Have Come Coma From Canada The Infestation on Lake Erie It Is believed originated in the province of ot Ontario Canada where a n severe In In- has been present for several years ears Favorable winds during the he flight season of the moth in the summer summer sum sum- mer of ot 1021 1921 are ure supposed to have compelled the adult Insects to fly across the lake to the American side where they became established along almost the entire southern shore Records Rec Bee ards of the weather bureau Indicate that for the first time In five or six years ears the winds prevailing then theu blew from the north or northwest for several several sev sev- eral days s 's at nt a time It Is not thought therefore that this condition will prevail pre pre- prevail vail Tall again for several years and other moths be blown over In order to watch this phase of ot the matter however the bureau of ot entomology entomology entomology ento ento- will request permission of ot the lighthouse service to station observers during tho the flight season at the powerful powerful power power- ful lights maintained along the southern south south- southern ern shore They will ascertain If It possible possible pos pos- sible whether moths are attracted to the lights from the other side The federal quarantine Includes 14 1 cities and towns In Massachusetts three in Michigan 12 In New Hampshire Hampshire Hamp Hamp- shire In New York 42 In Ohio and 13 In Pennsylvania and prohibits the shipment of ot corn and broom cor corn Including all parts of the stalk cut flowers or entire plants of or chr chrysanthemum mum aster cosmos zinnia holl hollyhock hock and cut flowers lowers or entire plants of ot I gladiolus and dahlia except the bulbs to other states throughout the year Control Practices Recommended To control the corn corD borer on the farm the department recommends the tho following practices 1 Burn or otherwise othen destroy before be be- before fore fOlO May 1 of 01 each year all nil cornstalks corn cobs corn com stubble vegetable field Celd and flower crop remnants weeds and stemmed large-stemmed grasses of the previous year 2 2 Keep cultivated fields fence tence rows rowa field borders roadsides and such places I free from large weeds or stemmed large-stemmed grasses 3 Cut corn close to the ground 4 Cut and remove sweet corn fodder from the tho field as soon as the ears are harvested Feed direct to live stock or place in silo 5 Cut and remove remOTe field corn com from th the field as soon as the ears are ma mil ture Feed the stalks to live stock as soon as possible and burn or otherwise dispose of ot the uneaten parts before May 1 following Shred or cut the fodder to increase its consumption 0 O. Plow under thoroughly in the fall all Infested cornstalks corn com stubble stubble stub stub- ble other crop remnants weeds and similar material which It Is Impractical cal to destroy In any other manner When necessary to adopt this practice practice practice tice an attempt should be made to plow under all the material to a n depth of ot at least 0 inches 7 Plant small areas arens of ot early sweet com corn to act as a trap crop adjacent to fields Intended for tor field corn or late LARVAE LI VAE PAPAS r. r iT 1 i ADULTS f t t I N M MALE I 1 fEMALE EMALE EMALEN N n- n x A r n. n It I n w if t WORK Of or LARVA IN INTERIOR OF STALK CORN European Corn Borer Jn in Various Stages and Us Its s Work sweet corn Feed or 01 otherwise destroy destroy de de- destroy stroy I this early sweet corn as soon as the ears are harvested or preferably preferably prefer preter- ably just before that period If the grower Is willing to sacrifice the ears Such plantings where not destroyed at the proper time constitute a menace menace menace men men- ace to later corn 8 Limit the size sire of ot cornfields to areas that can be kept free of ot weeds 9 0 Do not plant corn within 50 feet of ot b heets ets beans celery spinach rhubarb rhubarb rhu rhu- barb or flowering plants Intended for sale 10 Do not throw the uneaten parts of cornstalks used as ns feed or bedding into the manure pile unless this material material material mate mate- rial is worked into piles plies containing enough fresh horse borse manure to produce heating 11 Do not transport outside of the Infested area oren any of ot the plants or plant products listed In Federal Quarantine antine No 43 12 Do not transport any living stages of the European corn borer outsIde outside outside out out- side of the Infested areas arens 13 Do not place in swill container I any my swee sweet corn ears or portions t thereof there thereOf ere ere- of or or discarded portions of ot celery I beets beans rhubarb and when this material Is s suspected oi of containing the borer |
