. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. 32 ? THE REPOET OF THE No. 36 Avas very abundant on forest trees, but ]ias not been nearly so much in evidence the last two years. CuTvroEMS and Army Worms. We have had the ordinary number of com- plaints of damage from Cutworms. From Monteith, in New Ontario, and also from Port Arthur and Parry Sound came complaints of countless? numbers of the Black Army Worm {Noctua fennica). The correspondents said that they had destroyed all kinds of vegetation for several miles in extent. According to their r


. Annual report. Entomological Society of Ontario; Insect pests; Insects -- Ontario Periodicals. 32 ? THE REPOET OF THE No. 36 Avas very abundant on forest trees, but ]ias not been nearly so much in evidence the last two years. CuTvroEMS and Army Worms. We have had the ordinary number of com- plaints of damage from Cutworms. From Monteith, in New Ontario, and also from Port Arthur and Parry Sound came complaints of countless? numbers of the Black Army Worm {Noctua fennica). The correspondents said that they had destroyed all kinds of vegetation for several miles in extent. According to their reports poisoned bran was useless, as they would not eat it. Rolling the soil de- stroyed great numbers. I was not informed whether they tried furrows or trenches to check their progress. I had recommended these along with the poisoned bran and rolling. Black Vine Weevil (Otiorhynclius sulcatus). This large weevil has been reported from several parts of Canada, and hias been known in a number of in- stances to feed on Cyclamens in greenhouses, but, so far as I could find out, it has not previously been reported in Ontario as feeding on strawberries, though it has been reported as doing so in Nova Scotia, and frequently attacks them in Europe and also in Tasmania. In the latter country it is reported as being one of the two. Fig. 21. Cabbage Maggot, puparium and fly—en- larged. worst straw^berry pests. Its attacks in the strawberry plantations on the College farm at Guelph became noticeable about the time the fruit was beginning to ripen and continued until most of the berries had been picked. The injury was done by the larvffi, which bored into the plant and devoured most of the crown, thus causing the plants to die. If one attempted to pull up these plants they always broke of! at the injured part. Many of the larvae, when my attention was called to the in- jury, were full grown and had worked their way an inch or two into the rich soil. A few had already transformed there in


Size: 1437px × 1740px
Photo credit: © Library Book Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1800, bookdecade1870, booksubjectinsectp, bookyear1872