in Massachusetts reaches the tassel stage by July 1st. The 

 first brood of moths oviposits during the 3 or 4 preceding 

 weeks. If no corn is then in tassel, and none but early sweet 

 corn is, the moths deposit their eggs upon other plants bearing 

 a green seed head. Such plants are then plentiful among - 

 grasses and weeds. My plan provides for a patch of just such 

 grasses or suitable weeds. It is extremely easy to provide 

 such a patch, barnyard grass for instance making an excellent 

 trap plant. This patch is to be mowed closely, cured and 

 baled before any moths are ready to emerge. The less the 

 brood was developed at the time of the cutting, the less neces- 

 sary will be the baling, since the greater will be the mortality 

 because of the drying up of the food supply, while the insect 

 is yet immature. Naturally, the less seed heads are allowed 

 to be present outside of this patch at ovipositing time through 

 mowing them off previously or subsequently to the beginning 

 of oviposition, and before the resulting inmature stages can 

 survive in spite of the cutting, the better will be the result. 

 We thus control the pest, simply by growing a crop of good 

 hay at a stipulated time. 



The second brood of moths emerges during the last week 

 of July 2 to 3 w r eeks after corn has passed the pollination 

 stage. My plan provides for a trap patch of corn sown rather 

 thinly for fodder at such time that it will be just coming into 

 the tassel stage by this time. This patch will then attract 

 most of the moths for oviposition and thus very largely pro- 

 tect the ear corn against infestation by the comparatively 

 small number of moths that have been allowed to develop on 



