Show Se asares br forks for their prevention III july 5 special entomologist corbes it the re the state baard of lias prepared a report on the heasman fly in which lie traces the history of the through its foar stages iz the egg the maggot or Jarva the pupa or iL iced and the abuit or ringed insect the latter stage being the one in which the injury to crops esdone he baa s the general history of the insect through july and august is not luon but he hopes to make it out this summer by experiments now under aty at champaign in the conclusion of his report prof forbes notes the following as the most important general preventive and remedial measures known respecting this pest As a large percentage of these insects in the stubble at harvest in the alax seed state and as the hleb winch batch from them latter are weal and delicate the ground may w ell be plow d as soon as harvest as practicable and rolled to clore the crack through which the winged insects might escape H the stubble can be made to bum this of course will destroy the alas seeds evon more effectually the volunteer grain springing up in the fields must be closely matched and measure taken to destroy it about four weeks after its ap race ii it ill otherwise assist to carry the insect through the summer in or perhaps larger numbers the most corn emont method ol 01 doing this will depend so much upon the season and the plan that each must select his method for him belt such of the Hox seeds as are amed aviah in alic grain may be destroyed desti oyed b burning the from the thresher it the wheat 19 threshed at once to pre the wheat from beconi nii infested fie fall by the arst autumnal brood a i i to escape as much as possible of the mccond second the botting of the wheat may with advantage be postponed aa late as is with its e safety from winter lillini to the last of or the first of october Octo bei to the common practice in the southern liala of illinois the d image done by adv but the severest kind of an attack will depend other things being equal on the and the strength of the plant if the latter be strong enough to send out from the root new and vigor i ous stalks to replace those killed by the maggots of the uy a considerable amount of fly attack may scarcely be noticeable at harvest time from thisie follows that the maintain ance of alio fertility of the soil is often a mcay arable safeguard against loss I 1 ba e no doubt that the soluble fertilizers applied in spring to infested fields would have a hippy effect whether with profit or net ian be tested by experiment those varieties of wheat etith a stiff and flinty steam and aich tiller somewhat freely from alie root will suffer leist lei st under fl attacks be cause alie samu will not so readily bend at lie point weakened by alie magot and the second because alie hies of the second spring brood select fresh young shoots for the disposition of their eggs in per ference to the older and tougher stalk with the effect to kill only these valueless sprouts and to diminish by so much alio injury 0 the beading stems |