Problem Category: Lawn & Garden
Rose & Flower Insects
Slugs & Snails
Slugs are slimy mollusks that feed on leaves, vegetables and fruit. Snails are similar but have an external shell. They hide in dense ground cover and prefer moist conditions. Slugs leave a slime trail as they travel, a sure sign of their presence.
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Aphids
Tiny, soft insects that cluster on the underside of leaves, stems and buds and suck plant juices. Aphids can multiply rapidly and large numbers will damage young leaves and fruit. Aphids leave a sticky secretion on plants.
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Japanese Be etle
Distinctive metallic green and copper beetles 13 mm long often found on roses. They feed on flowers eating their way into the buds and skeletonized leaves. The larva (grubs) are a major lawn pest.
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Leafhoppers
Pale, green insects 3 mm long that fly away when a plant is touched. They feed on underside of vegetable and fruit leaves. Leafhoppers will migrate in the spring from warmer areas.
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White Flies
Tiny, winged flies that flutter about when a plant is touched. Common to gardens and greenhouses. The larvae feed more heavily on plants. Whiteflies excrete honeydew on plants which then become susceptible to a black fungus.
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Thrips
Tiny insects that hide in flower buds and feed on delicate tissue. The affected parts turn brown or white. Peel buds open to see insects resembling tiny slivers of wood.
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Rose Chafer
A fawn-coloured, long-legged beetle found commonly on rose plants. Adults are 10 mm long. Larvae of this insect will chew roots.
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Tarnished Plant Bug
A sap-sucking, brown bug that is found on a wide variety of flowers. About 6 mm long.
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Black Vine Weevil
A small black snout beetle about 10 mm long. Larvae are white grubs that feed on the roots of plants. Plants grow poorly, are dry, pale and may die. Rhododendron, Azalea, Hemlock, Yew and White Cedar are susceptible.
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