784 



inda)j clover leaf hopper {Agallia sanffiiinolcnta), clover seed caterpil- 

 lar {Grapholitha intersthictana), clover drasteria (Dtuistcria trechtca), 

 clover hay worm {Asopia costfdi.s), and the iollowiiijj^ insect enemies of 

 the sugar beet: Cutworms, grassliopi)ers, blister l)eetles, wavy striped 

 flea beetle [Thyllotreta rittata), triangle tlea beetle {iJisonycha triangu- 

 laris)^ Fhyllotreta albionica^ wireworins, gray [)lant bug {Piesma cincrca), 

 tarnished plant bug {Lygus j)ratensis), false eliinch bug {Xysius nvyus- 

 tatus), purslane bug {Gcocoris hullata), and some insects associati'«l with 

 rotting in beets {Uomalomyia sp., mites of the order Avarina, etc.). 



It having 1)een reported to the station that an insect which was prob- 

 ably Euphoria inda was eating into cars of corn at Coon Kapids, Iowa, 

 experiments were made by the author to determine whether the beetles 

 of this species when confined u])on ears of corn would eat into them. 

 It was fiumd that ''this beetle has the power of entering, unassisted, 

 the husks of corn ears, either by burrowing through the silk or by push- 

 ing aside the husks, and that they will thus enter the cars if f(U'ced to do 

 so to obtain food," 



"The clover leaf hopi>er {Agallia sanguinoleuta) has been trace<l 

 through its transformations and found to develop fully on a diet of clover, 

 and it is probable that this is its more common food, but that it also 

 attacks grass, beets, various weeds, and other i)laMts, a<*cording to abun- 

 dances or season. For treatment the hopper dozer i)lau is recommended 

 in grass and clover, an«l kerosene emulsion on beets." 



The thii'd brood of adults of Graphnlifha iutrrstinrtana appear«'d 

 l»clorc September S, and the third biood of catcrjiillars was observed 

 Septi'inlter !'.•. Some adults of this latter brood api>eared October !>. 



The grassh(»ppeis which most numerously attacked beets were 

 Mrlanoplu.s femur ruhrum, ('<ih>pt< uus (llflrrrntialis, Chlaaltis curii- 

 peuntJi, and perhaps Acridium eniargiiiatuui. Keference is made to 

 previous notes on these insects in Bulletin No. 14 of the station (see 

 Experiment Staticui Record, vol. iii. p. '-2'2). 



Soiling expekimknt, .1. Wilson, C. 1"\ Criniss, li. S. A., 1). A. 

 Kknt, H. S., and (1. K. rATiMCK. M. S. (j.p. 274-28;^).— This was with 

 six Shortluu-n cows and lasted troiu ,Iuiie 20 to Sei>tember 2ti. The, 

 ol)ie<-t was to compare stall feeding on green foddeis with good blue 

 grass pasturage. During the tirst half of the experiment lot 1 (three 

 cows) was barn fed and lot 2 was pastured, and during the last half 

 this was reversed. At all times each cow received grain consisting of 

 citln-r 12 |)ounds of corn anil cob meal, 10 pounds of gluti'U meal, or IS 

 jtouiids new whole corn. The pastui-e was one of the be>*t blue grass 

 pastures iu tlie State, well sliaih'd with oc«'asional trees and in places 

 by dense woods, with running water accessible. The soiling consisted 

 at ditt'erent times of green oats and ]>eas, oats and clover, or foddtT 

 corn and clover, fed ad libitum. Freiiuent analyses were made of the 

 milk of the individual cows, and these, together with the milk yielded, 

 are tabulated. 



