. The American florist : a weekly journal for the trade. Floriculture; Florists. The American Florist. July 27, spraying the water is made to reach every part of the plant, for once given a start the progress of the trouble is rapid. G. The Mc Arihur Grub. Ed. American Florist :— We were greatly alarmed in .August by the appearance and rapid increase of an insect we had never seen before, but which bid fair to totally ruin our benches of Gen. McArthur rose. It had every appearance of a larva of some fly, but no strange fly had been noticed in the house. The insects were to be seen in considera
. The American florist : a weekly journal for the trade. Floriculture; Florists. The American Florist. July 27, spraying the water is made to reach every part of the plant, for once given a start the progress of the trouble is rapid. G. The Mc Arihur Grub. Ed. American Florist :— We were greatly alarmed in .August by the appearance and rapid increase of an insect we had never seen before, but which bid fair to totally ruin our benches of Gen. McArthur rose. It had every appearance of a larva of some fly, but no strange fly had been noticed in the house. The insects were to be seen in considerable num- bers on nearly every young shoot, feeding upon the tender young leaves and buds, and ruining each one at- tacked. At first the young grubs were hardly visible to the naked eye, but they had fine appetites, and rap- idly increased in size and destructive capacity. Seen under a fairly power- ful lens they were very beautiful, their bodies a satiny white, with the sectional rings plainly seen, and a black head. They are extremely ac- tive for an insect of this kind when disturbed. The strange part of the thing is that although Richmond and other roses were growing in the same section. Richmond was on the next bench in fact, no other variety but McArthur was attacked. Stress of work prevented writing before, and the picking ofif of the affected shoots has been so thorough that there are now no insects to send you. Can you inform us from the description given what this insect is and whether any means we can take is likely to prevent a recurrence of its attacks. It will certainly be a serious enemy to Mc- Arthur rose and possibly to others should it become plentifully distrib- uted. Ontario. "Ontario's" trouble with this particu- lar pest is the first of the kind that Iras ever come to our notice, and is undoubt- edly something new in rose pests. Should they reappear, several applica- tions of Persian insect powder, dusted over the whole foliage, when slightly da
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