. Florists' review [microform]. Floriculture. A BED ROSE PEST. I am writing to you hoping I may obtain some information regarding a small worm which is bothering us a great deal on our Bhea Reid roses. The worm is no larger than the head of a pin, and is white. Under a microscope it has a black stripe down the center of the back, and has the appearance of a leaf roller. The destructive work of this worm is on the young buds. From my observation, it sucks the tissues in the buds, turning them black, and they finally drop off. I am at a loss for an explanation of this worm. My idea is that they
. Florists' review [microform]. Floriculture. A BED ROSE PEST. I am writing to you hoping I may obtain some information regarding a small worm which is bothering us a great deal on our Bhea Reid roses. The worm is no larger than the head of a pin, and is white. Under a microscope it has a black stripe down the center of the back, and has the appearance of a leaf roller. The destructive work of this worm is on the young buds. From my observation, it sucks the tissues in the buds, turning them black, and they finally drop off. I am at a loss for an explanation of this worm. My idea is that they have been brought into the house in the manure, which was put in the house about six weeks ago. The treatment I have given the plants was to cut off all affected parts, remove the mulch, spray with nicotine and sprinkle lime on the soil. I hope I may receive some help through the paper. W. J. V. In 1900 to 1904 we had on several places in and around Chicago a small worm attacking Meteor and American Beau- ties, the action of which was about the same as the one mentioned in this letter. It was found mostly in old houses and near wet and swampy places and de- cayed vegetable matter. The worm when full grown was nearly as large as a pinhead, and in looking through a microscope enlarging 100 diameters we found about ten to twenty of these worms on one bud, the smallest about as large as the largest was under the naked eye. The fly which laid the eggs from which these worms or larvae were hatched was so small that when walk- ing along the walk in a greenhouse badly infested with them they would rise from a puddle like a small cloud of (lust. It was impossible to destroy them. The entomologists from the- State Agricultural College at Urbana experi- mented with this insect for some time to try to find out its habits and to find a remedy. They found that after plac- ing some of these worms in alcohol for seventy-two hours they were still alive, and as far as I know they were unable to
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