Show SERIOUS DAMAGE BY GLOVER lO VEil WORM Alfalfa C Crop Suffers Much Injury i jn in n Eastern Part af f the I United States BEST MEASURES OF CONTROL When Outbreaks A. A Are Particularly Severe Use of r JJ is Advisable Caterpillar Advisable Caterpillar Feeds on Different Plants Prepared Prepaid by br the United States Department Department Depart Depart- ment of or Agriculture Serious Herious damage to by the gre green n clover worm Iu has i i been reported t to he the United States State department of ot agriculture from flom several eral Il parts of the Cl eastern half of the United States where here this pest is distributed general general- I I ly Although for many years it has hns been en known to occur commonly on clover er and has lias received Its popular name from this fact Its injury to this crop has lias rarely been heen sufficiently senors sellouS seri sell ors ouS to Justify control measures It usually confines its attacks to legum leguminous legum inous crops such ns as alfalfa clover er soy oy soy beans beans and nod vetch vetel but sometimes s me mes feeds on strawberries s a and lilt blackberry plants and some common weeds eds The best control measure consists In In timely cutting of the alfalfa crop KO o onS nS as to remove remo th the food supply when the caterpillars of this Insect are most abundant Clean culture is also ulso ree ree- E r A 4 t d tN R t I w r it tt t W L I Alfalfa Is Highly Regarded as a Forage Crop Cropp and when outbreaks s are particularly had bad the use of the hopper- hopper dozer is advisable nd There are three or 01 four generations of the green reen clover worm a season according according ac fiC- ac- ac cording to the bulletin which allows ample time for the Insect to Increase e greatly Ir In a summer The caterpillars are killed In considerable ble numbers h by natural In Insect ct enemies but hut this method of control can not he relied upon for protection of the lie alfalfa crop The alfalfa should be mowed when the thc In Insect lct is If in the caterpillar or worm stage stage from tn from e-from from ten da days s 's to three weeks after the time of the appearance ap appearance ap- ap of the moths In great grent I ap-I dance To 10 Insure success the field should he be left Ift as clean and mul bare hare as ns p possible In order to remove C the food It supply and an any shelter protecting ilu rn from fromn the direct rays tS t'S of the sun which hastens their destruction Ir If these measures can cun not be carried out without Injury to the alfalfa either from premature cutting or too prolongs l delay wait walt until the alfalfa is read ready for another cutting It ought to be possible however before tho the summer Is passed to clear the fields I of ot this Insect In to this manner In the lie enst eastern rn states premature cutting cutting cutting cut cut- ting often results fa n permanent Injury to alfalfa especially while white It is young young and amI for COl this reason the cutting of ot this this' crop much In III advance of the normal period is not trot recommended i As the caterpillar feeds on many monr different plants ditch Cranks banks and f fence nce rows 8 should be kept free from weeds The caterpillars hn hav e been caught read readily It by dragging a 11 field Held with a hop- hop such as ns Is used for tor grasshopper grass grass- hopper outbreaks It do does doe not hurt the alfalfa when not used to excess and will trill catch man many Injurious Injurious' |