2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
The garden buzzard lives literally everywhere and mainly damages such essential oil crops as clary sage, the Transcaucasian catnip, etc. If the number of malevolent boogers is especially high, the plants will receive very severe damage - only the leaf petioles and main veins will remain intact. In order to preserve your favorite plants, it is important to timely detect garden boogers on the site and get rid of them as soon as possible. If we manage to do this in time, the vegetation will be saved
Meet the pest
The garden booger is a harmful black leaf beetle representing the order of coleoptera, the sizes of which are in the range from 6 to 12 mm. Elytra and pronotum of harmful parasites are colored yellow-brown, and depressions or discs on their pronotum are most often black-resinous or dark brown. Their crowns are reddish, and the body of garden boogers is convex, broadly ovate, with a faint shine. On the fifth sternites of their abdomen, a pair of dark brown spots can be seen.
Ellipsoidal yellow hexagonal eggs of garden boogers are from 1, 32 to 1, 55 mm. And harmful larvae grow in length from 12 to 14 mm and are endowed with black-brown legs, upper sides of bodies and heads. Below, each individual is painted in greenish-grayish tones. And the yellow-brown setae on the bodies of caterpillars are usually very short. Oval pale yellow pupae reach 6 - 8 mm in size and are equipped with black or dark brown bristles.
Fertilized eggs usually overwinter on catnip stalks, but sometimes eggs can also overwinter on stalks of some other herbaceous crops. Around the middle of April, harmful larvae revive, and closer to the beginning of May, their emergence is already completed. They feed from thirty-five to forty days, making small but numerous holes in the stems or eating them along the edges.
Pupation of garden boogers occurs in loose spider cocoons in the surface soil layer, and they remain in the pupal stage for only eight to twelve days. In the second half of July, it is already possible to notice harmful bugs on the vegetation, which immediately begin additional nutrition on all kinds of perennials.
After ten to fifteen days, the feeding intensity of the garden bugs decreases slightly, and the bugs begin to hide under the remains of plants and soil lumps, where they fall into a short state of summer diapause. Already at the end of August or at the beginning of September, they again begin to show unprecedented activity - the pests again actively feed, after which they mate and begin to lay eggs. Females place their eggs on catnip and a number of other herbaceous plants. They lay eggs especially in large numbers in September and early October. Every year, the garden booger gives one single generation.
How to fight
All crops must be kept free of weeds. In addition, it is important to take care of the prompt destruction of weeds and along forest belts or on the outskirts of fields. Periodic cultivation of the soil, including in the aisles, will also serve well. In addition, areas where clary sage is grown must be fertilized with compost (one or two buckets for each square meter), and ammonium nitrate and superphosphate must be added to the soil.
And in the centers of mass reproduction of garden boogers, regular treatments with insecticides are carried out. "Gerold", "Aktara" and "Fostoksin" have proven themselves especially well. However, Borey, Tanrek and Actellik are considered no less effective drugs.
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