aphid sentence examples

• In addition, strain ha 5-1 was only poorly transmitted by aphids.
• These wasps then eat harmful cabbage aphids which may be feeding on the plants.
• From christine j, uk this could be wooly gray aphids.
• The number of larvae needed to treat an aphid infestation will vary on the number of aphid infestation will vary on the number of aphids present.
• Thus, in the event of climate warming we would expect all three species to make considerably earlier appearance, particularly the peach-potato aphid.
• A natural fungus that grows on and kills russian wheat aphid is winding its way toward commercial application.
• The gaucho is no longer able to protect him and 3 small green aphids now lurk in his foliage.
• Aphid predators such as ladybirds.
• Fieldwork is carried out at radnor forest in wales, where forestry commission research into the green spruce aphid is already established.
• Prevent by controlling the aphids that carry the disease.
• Every year, in the first really hot spell, the black bean aphid starts its regular invasion of the broad bean plants.
• Aphid colony.
• However, pea aphids are known to feed on a much wider range of plant species.
• Biology, identification and control of the major greenhouse pests including aphids, whitefly and mites.
• Aphid vector aphis gossypii.
• These wasps then eat harmful cabbage aphids which may be feeding on the plants.
• Aphid pests.
• Figure 4: the giant willow aphid is also found in the usa.
• Aphid transmission studies using potato virus y helper component proteins expressed from a potato virus x vector.
• The potatoes were genetically modified to include a toxin - gna lectin - found in snowdrops to make them resistant to potato aphids.

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