1906 ENTOMOLOGICAL SOCIETY. 15 



Dr. Fletcher : Hot water is probably tbe most effective method of 

 killing tbe worms. 



Mr. Jarvis : Those left on the bandage and pressed, if very numerous, 

 might spoil the bandage. 



The hour for closing the discussion on the Codling-worm having arrived, 

 the Chairman thanked those who had taken part in the discussion and called 

 for the reports of the Directors of the respective districts. 



EEPOETS ON INSECTS OF THE YEAE. 

 Division No. 1. — Ottawa District. By C. H. Young, Hurdman's Bridge. 



The season of 1906 in the Ottawa District was marked by cold, wet 

 weather in the early part and later by an excessive drought. The most 

 noticeable insect feature of the season was the enormous numbers of plant 

 lice which infested every plant. Trees were much reduced in vitality and 

 many complaints were made of the leaves falling prematurely. In going 

 through the woods in July it was almost impossible to collect a good botan- 

 ical s.pecimen, as the foliage of all low-growing plants was covered conspicu- 

 ously with the honey-dew emitted by the aphides. The elm-leaf aphis and 

 the maple leaf cottony aphis were particularly abundant. The foliage of 

 many fine maples was noticeably disfigured by this latter insect. Birches 

 also suffered very much from aphis. Some fields of potatoes were badly in- 

 fested with a plant louse which Dr. Fletcher- tells me he thinks is Nectaro- 

 phora solanifolia. 



In the early part of the season the usual occurrence of cutworms in 

 gardens was noticed, the species doing the most harm being the Eed-backed 

 cutworm (Paragrotis ochrogaster) and the Black army-worm Noctua feniiica. 

 This latter cutworm works particularly in clover fields, but in the Ottawa 

 district clover was winter killed during the open cold winter of 1905-6, and 

 this fact probably accounts for their presence in vegetable gardens this year. 

 Where applied, the poisoned bran mash soon stopped the ravages of these 

 cutworms. 



At the time dahlias and asters were coming nicely into flower, the Tarn- 

 ished Plant-bug was very numerous and did a great deal of damage in de- 

 stroying the flowers and forming buds. This is a difiicult pest to treat. 

 Spraying the plants with kerosene emlusion or whale oil soap or dusting them 

 with pyrethrum insect powder, have given relief, but these remedies are not 

 always satisfactory. In the early morning, when the bugs are not so active, 

 many may be collected by beating them off the plants into an inverted um- 

 brella, and then killing them by putting them into some receptacle contain- 

 ing water and coal oil. 



The small white cabbage butterfly was not particularly in evidence in 

 the early part of the season, but the late brood in September was very abund- 

 ant and hundreds of the butterflies could be observed in some cabbage patches. 

 Where these patches were neglected the green caterpillars soon did notice- 

 able damage. 



The Turnip Flea beetle was locally very destructive on a few farms near 

 Ottawa. Some farmers who did not know the well-known remedy of Paris 

 green and land plaster lost two or three sowings. 



