230 



STATE BOARD OP AGRICULTURE 



confined its attacks to a very restricted area. This year, however, it is 

 spreading over the grape belt so that a few are to be found here and 

 there in widely separated vineyards. The appearance of infested buds 

 is shown in figure — . 



Fig. 9 — Infested bud of grape teased apart to show maggots of grape-blossom midge 



PEACH THRIPS. 



. The peach-thrips {Thrips tritici) is appearing and being recognized 

 in other states. It continues to do an appreciable amount of injury 

 to "Elbertas" almost every year in Michigan. Careful life-history 

 studies and tests of control sprays are very desiratde in the case of this 



Fig. 10 — Work of peach-thrips on Elberta peach 



