Ontario Sessional Papers, 1898-99, . zoneura lanigera, Hausmann)(Fig. 7) which is found in white patches on the apple trees, theuse of a scrubbing brush with diluted soft soap is this means the insects are crushed and the tree cleansed atthe same time. The house plants may be freed from that trouble-pest, the common mealy-bug (Dactylopius adonidum, Linnaeus)by more gentle treatment of like nature. The aphides have many natural foes. Among them are various kinds of lady-birds ithe lace-winged flies and syrphus flies, all of which are predaceous upon them—destroyingthem f
Ontario Sessional Papers, 1898-99, . zoneura lanigera, Hausmann)(Fig. 7) which is found in white patches on the apple trees, theuse of a scrubbing brush with diluted soft soap is this means the insects are crushed and the tree cleansed atthe same time. The house plants may be freed from that trouble-pest, the common mealy-bug (Dactylopius adonidum, Linnaeus)by more gentle treatment of like nature. The aphides have many natural foes. Among them are various kinds of lady-birds ithe lace-winged flies and syrphus flies, all of which are predaceous upon them—destroyingthem from without; and an aphidius which is parasitic, destroying them from within. Insects even more difficult to deal with than the aphides are the scale insects. Thescrubbing-brush and soft soap may be used for their discomfiture. All the insects thatwe have yet considered work in the open air. There are others that live by suction, butoperate under ground. The most formidable of these is the Dog-day Harvest Bug,•Cicada canicularis,
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Keywords: ., bookauthorontariol, bookcentury1900, bookdecade1900, bookyear1906
