Asparagus Beetle Identification And Control

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27 April 2022

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There are a variety of ways to identify and control asparagus beetles. They can be identified when you see grayish-green beetles or those who are encased in the soil or black heads. In this article, we will discuss some more common methods to eliminate asparagus beetles. Read on to learn more. Organic pesticides may be used on plants. Take care. The pesticides you use can be harmful. They are toxic, so they should not be used. natural nitrogen fertilizer with care to forage waterways and ponds.

Spotted asparagus beetle

To prevent future infestations, it's essential to find and manage the spotted asparagus bug. They consume asparagus spears and then lay eggs. The beetles can live for up to two weeks. In order to prevent spreading the beetle, it is essential to cut asparagus off early, and wipe the spears to remove eggs and adult beetles. Pick asparagus when the leaves are fully matured in order to limit spread.

Grayish-green grubs

For asparagus growers growing in the area, the issue of asparagus beetles is a concern. Although the asparagus beetle is not considered to be a threat but it is a threat to your crops. Its life cycle depends on temperature. The populations of asparagus beetles reach their peak in the months of May and Juniper. Though they're active all of the time it is possible to travel from one place to another in just a couple of days. They're about one quarter of an inch in length and have three-quarter inch antennae.

Black heads

Asparagus beetles , a pest of the plant, target the tender spears of the plant. While adults aren't hazardous, their larvae may be dangerous to people. The best time to pick spears at a reasonable length to stop their life-cycle. Beetle eggs as well as spears aren't eaten by grown-ups Therefore, it is recommended to avoid picking these plants while they're fresh.

In soil Overwintering, in soil

If it is in a protected area, the asparagus beetle can overwinter as an adult. Then, in early April, adults emerge from soil and take food from asparagus plants. They lay eggs mid- or late-April. They lay one egg per stalk. They hatch from three to eight days later , depending on the temperature. The larvae feed for 10 to fourteen days , before crawling back into the soil to become pupal. The larvae become an adult one spring after they emerge.

Neem oil

You might be wondering whether neem oil is beneficial for control of asparagus beetles. While the oil doesn't contain poison, it may disorient insects and make them less likely to eat your produce. Besides, neem oil is completely safe for humans and pets. It is also very effective in killing larvae, but it's not recommended for spears that are young, as it attracts beneficial insects.

Natural insecticides

Organic pesticides are a good way to eliminate asparagus beetles. Neem oil is an organic pesticide which can be extracted from trees before being sprayed on asparagus plants. The organic insecticide makes blockages that kill beetles. Using neem oil can also deter beetles. However, you should use only pure oil. Apply it according to the instructions of the manufacturer.


If you're having trouble with an asparagus beetle infestation, making your own picks could help. The beetle is notorious to drop to the ground when it's in a situation that is disturbed. You can trap them by making a container of water under the beetle. The water's level will rise, be sure to hold the container by one lid, so the insects won't slide off. You can use paper or sheets perhaps even an old pizza container to keep beetles in.