Butterfly scoop cabbage: a dangerous enemy of many cultures
Among the scoops, the cabbage variety stands out. This is the real enemy of cabbage. Its appearance is fraught not only with the destruction of this culture, but also with fruit trees and ornamental plants. In this regard, it is necessary to thoroughly inspect all vegetation for the presence of pests.
Content
What does a cabbage scoop look like: photo
Description of cabbage scoop
Name: Cabbage shovel
Latin: Mamestra brassicaeClass: Insects - Insecta
Squad: Lepidoptera - Lepidoptera
Family: Owls - Noctuidae
 | Habitats: | all over the world |
 | Dangerous for: | various types of plants, more than 30 varieties |
 | Means of destruction: | folk, chemical and biological preparations |
Butterfly has a wingspan of 36 to 40 mm. The front wings are brown with blurry stripes and a wedge-shaped black spot. Hind wings grey. The eggs are round and white. The tops have brown spots. The size of the egg is from 0,65 to 0,75 mm.
Caterpillar reaches 40 mm. Minimum - 28 mm. On the green body there is a brown pattern and light dots. The back is light with a border in the form of strokes. Strokes are usually dark green or brown. Pupa - 18,5 mm with a dark brown color. The color of the larva is both light green and dark brown.
Life cycle
The term of embryonic development is from 3 to 10 days. The caterpillar eats for at least 25 days. The maximum period of food intake is 50 days. After that, they move to the upper part of the soil and pupation occurs.
The larva molts 5 times. There are 6 ages. The first age is different in that the larvae gnaw the leaves below. The top is complete. In the second and third age, they tend to gnaw holes. Older larvae eat the leaves whole.
Pupation of the first generation occurs at the end of June. The second - for September - October. The pupa hibernates at a depth of 10 to 25 cm. In late May - early June, moths appear. This is possible at a temperature of at least 16 degrees Celsius.
Habitat
Owl on cabbage.
The cabbage scoop can be found in the Baltic States, Moldova, Belarus, Ukraine, Europe, North America, Central Asia, and the Russian Federation. In Russia, the Far North is an exception.
High humidity is the most comfortable environment for an insect. Favorite place - river openings. Represents a particular danger to the southern region, as 2 generations appear during the season. In the north-west of the Russian Federation and in the central part, the moth appears in June. In the North Caucasus and the Volga region - in May.
Economic importance
Moths are very fond of nectar. At dusk they become active.
- Caterpillars are gluttonous and eat so much cabbage that they can destroy the entire crop.
- The larva of the third age eats the pulp, and older individuals feed on the cobs. Excrement is also deposited. Because of this, heads of cabbage rot.
- The insect destroys fruit trees and ornamental plants. In this regard, it is imperative to take measures to exterminate pests.
However, it is worth noting that this variety also consumes different types of plants. The scoop spoils:
- beets;
- poppy;
- corn;
- beans;
- sunflower;
- tobacco;
- sesame;
- sage;
- radish;
- cloves;
- chrysanthemum;
- potatoes;
- tomato;
- carrot;
- flax;
- buckwheat.
Caterpillars on cabbage are not only scoops. There are other types of pests. About how to recognize the type of insect and how to process cabbage from caterpillars - read more.
preventive measures
It is very important to carry out prevention on the site. Protective measures include the destruction of weeds, loosening the beds during the laying period, the disinfection of greenhouses in autumn and spring, and the removal of dry herbs.
Methods of dealing with cabbage scoop
For the destruction of caterpillars, it is appropriate to use pesticides, traps, decoctions. Check all leaves regularly. In the presence of eggs and larvae, they are collected by hand. Since the larva appears at dusk, they are collected in the evening. However, manual collection will not solve the problem.
With the help of various drugs, you can get rid of pests.
Chemical and biological methods
Folk methods
There are many simple ways to deal with scoops on cabbage with folk methods. Here are some of them:
- A mixture of liquid soap (30 g), mustard (15 g), tobacco (200 g) is very effective. All components are added to a bucket of water and insisted for a day.
- You can also boil fresh capsicum red pepper (0,1 kg) in 1 liter of water. Filter and insist 2 days, then sprayed.
- Bitter flowering wormwood (0,3 - 0,4 kg) is added to 10 liters of water. After 6 hours, add liquid soap (1 tbsp. L). After processing.
Others 6 ways to destroy the owl can be read here.
Conclusion
The cabbage scoop is a dangerous pest that can destroy many crops. When eggs or caterpillars appear, they immediately begin to fight them, choosing the best way. It is recommended to carry out prevention to avoid the appearance of pests.
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