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Asparagus beetle is a widespread on asparagus during the summer months. It feeds on the stems and foliage of asparagus. Extensive defoliation can weaken the plants and result in a poor crop in the following spring.
Asparagus beetle adult: RHS/Science.
Both the adult and larval stages of asparagus beetle eat the foliage of asparagus, they can also gnaw bark from stems, causing growth above the point of damage to dry up.
Pesticides for gardeners (Adobe Acrobat pdf document outlining pesticides available to gardeners)
Alder leaf beetle
Blue mint beetle
Broad been seed beetle
Chemical labels explained
Chemicals: using a sprayer
Chemicals: using safely and effectively
Flea beetles on brassicas
Fuchsia flea beetle
Ground beetles and rove beetles
Red lily beetle
Willow leaf beetles
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