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Pests and Plant Diseases

  • Safe way to spray - Green Harvest

    Safe way to spray

    Wait for settled weather with little wind and no rain. Dress yourself well, wear long sleeves and rubber gloves, follow packet direction carefully. If you suffer from allergies, wear a...

  • How Do You Choose The Right Product - Green Harvest

    How Do You Choose The Right Product

    You may find it very difficult choosing pest control products in a nursery or supermarket, as highly toxic products are on the same shelf as relatively harmless ones. We often...

  • Whitefly Organic Control Information - Green Harvest

    Whitefly Organic Control Information

    The Basics The adults are small white moth-like flies, 1 mm in length. Eggs are laid on the undersides of leaves and hatch in 8 days. Both newly hatched 'crawlers'...

  • Weed Organic Control Information - Green Harvest

    Weed Organic Control Information

    Weed Control Much as we may hate them, weeds have an ecological role to play in reclaiming degraded soils and re-establishing damaged soil structure. Weeds are always present but only...

  • Tick Organic Control Information - Green Harvest

    Tick Organic Control Information

    Tick Control Ticks are blood-sucking insects that can carry life threatening disease to humans as well as animals. These include Queensland tick typhus and Spotted fever. The bite alone can...

  • Thrip Organic Control Information - Green Harvest

    Thrip Organic Control Information

    Thrip Control Thrips are small sap-sucking insects, usually 1-2 mm long with long, narrow bodies, they are just visible to the naked eye. They generally feed on either leaves or...

  • Spider Mite Organic Control Information - Green Harvest

    Spider Mite Organic Control Information

    The Basics The two-spotted mite or spider mite Tetranychus urticae is a tiny creature (about the size of a full stop) that damages plants by feeding on the chlorophyll in...

  • Slug and Snail Organic Control Information - Green Harvest

    Slug and Snail Organic Control Information

    The Basics If overnight newly planted seedlings are disappearing and there are large holes in your plants, the culprits are probably snails or slugs. Usually a close look at the...

  • Silverfish Organic Control Information - Green Harvest

    Silverfish Organic Control Information

    Silverfish Control  Silverfish are starch feeders and can seriously damage paper and fabrics. Older, hardback books are greatly at risk due to the glues used in their construction. Silverfish prefer...

  • Scale Organic Control Information - Green Harvest

    Scale Organic Control Information

    The Basics Scales are small sucking insects closely related to aphids, mealy bugs and whitefly. They tend to have small, round shells and are often found along the veins of...

  • Pests of Stored Food Organic Control Information - Green Harvest

    Pests of Stored Food Organic Control Information

    Pests of Stored Food Control These include grain moths, flour moths, meal moths, almond moths, raisin moths, beetles and weevils. For problems with ants or cockroaches check for information under...

  • Olive Lace Bug Organic Control Information - Green Harvest

    Olive Lace Bug Organic Control Information

    Organic Strategies for Olive Lace Bug Control The Olive Lace Bug Froggattia olivinia is a damaging pest of olive trees. The severe leaf damage the bugs inflict can cause loss...

  • Nematode Organic Control Information - Green Harvest

    Nematode Organic Control Information

    Nematode syn. Eelworm Control Nematodes are not insects but microscopic, long, thin worms, which is why a common name for them is eelworms. This soil-borne pest causes stunted, unproductive plants....

  • Mosquito Organic Control Information - Green Harvest

    Mosquito Organic Control Information

    Mosquito Control Mosquitoes are easily one of the most serious insect pests we need to deal with due to the dangerous diseases (Australian encephalitis, Ross River fever, Dengue fever, Barmah...

  • Med Fly Organic Control Information - Green Harvest

    Med Fly Organic Control Information

    Med Fly syn. Mediterranean Fruit Fly Control Med Fly Ceratitis capitata is a serious problem in WA but not found in other states. The adult flies are 4-5 mm long...

  • Mealy Bug Organic Control Information - Green Harvest

    Mealy Bug Organic Control Information

    Mealy Bug Control These small, white, powdery-looking insects are sapsuckers that attack a wide range of plants including indoor plants, citrus and custard apples. Adults are generally 3-4 mm long....

  • Leaf Eating Beetle Organic Control Information - Green Harvest

    Leaf Eating Beetle Organic Control Information

    28-Spotted Ladybeetle and Other Leaf Eating Beetle Control Henosepilachna spp. This pest confuses gardeners because it looks like a ladybeetle syn. ladybird, one of the 'good bugs' but it is...

  • Head Lice Organic Control Information - Green Harvest

    Head Lice Organic Control Information

    Organic Strategies for Head Lice Control Scientific Name: Pediculus humanus capi Appearance The six-legged, wingless adult head louse is 1.5 mm to 3 mm long and ranges from tan to greyish-white...

  • Grasshopper Organic Control Information - Green Harvest

    Grasshopper Organic Control Information

    The Basics Suggested Organic Strategies: Attract them to a pond or children's wading pool by floating pieces of yellow plastic in the water. Smaller traps can be made out of...