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repels ants, flea beetles, aphids, the Japanese beetle, squash bugs, weevils, [2] the Colorado potato beetle, the cabbage looper, [3] and cockroaches. [4] May attract cats. Chamomile: repels flying insects [4] Chives: repels carrot fly, Japanese beetle, [2] and aphids [3] Chrysanthemums
Adult weevils can be controlled by using sticky barriers on the trunks of affected plants, as the weevils return to the soil each day. Adults can also be manually removed from plants at night when they can be found feeding on leaf edges. Use only a dim torch or candlelight to search by, as they will drop to the ground if startled by bright light.
The plants that the strawberry root weevil feeds on include strawberry, raspberry, rhododendron, grape, and peppermint and they have also been known to feed on grasses. Adults feed nocturnally on leaves and stems, leaving notches and causing slight damage, while the larvae cause significantly more damage by feeding on the roots and crowns of ...
Other weevils are used for biological control of invasive plants. A weevil's rostrum, or elongated snout, hosts chewing mouthparts instead of the piercing mouthparts that proboscis-possessing insects are known for. The mouthparts are often used to excavate tunnels into grains. [1]
Insecticides are pesticides used to kill insects. [1] They include ovicides and larvicides used against insect eggs and larvae , respectively. The major use of insecticides is in agriculture , but they are also used in home and garden settings, industrial buildings, for vector control , and control of insect parasites of animals and humans.
Biological control or biocontrol is a method of controlling pests, whether pest animals such as insects and mites, weeds, or pathogens affecting animals or plants by using other organisms. [1] It relies on predation, parasitism, herbivory, or other natural mechanisms, but typically also involves an active human management role.