Blowing sponge borer is one of the main pests of sea tree, mostly parasitic in the young branches and leaves and leaf back of the main vein on both sides of the thorn suction hazard, in addition to the sea tree, blowing sponge bug host is also very extensive, the harm is common, for a major hidden danger in the garden, its main occurrence and prevention points are as follows:
【1】The harm of sea tung blowing sponges:
Female adults and larvae are often concentrated on young shoots, leaves, branches, and stems to suck sap, and in severe cases, they can cover the entire branch, causing yellowing of leaves, short shoots, deformation, leaf fall, dead branches, and even the death of the whole plant, and easily induce coal pollution disease, making the leaf surface black, hindering photosynthesis, affecting tree potential, and thus reducing ornamental value.
[2] The occurrence law of haitong blowing sponge bug:
1. The generations that occur each year vary from place to place, generally 2-3 generations occur in 1 year, and the generations of various insect states overlap;
2. Female adults or nymphs overwinter on the branches, and the nymphs hatch from late May to late June, and the nymphs are more harmful from mid-July to early August. The second generation of adults lay their eggs from late July to mid-August, and the nymphs are at their peak in August and September.
【3】Comprehensive control measures for sea tung blowing sponge borer:
1. Remove insect pest plants in the field and prune insect branches, and burn them in time;
2. In autumn, winter or early spring, qingyuan products such as Qilin Mingdikang are used to clean the garden, kill insect eggs, and reduce the source of insects;
3. When insect infestation occurs, a bottle of qilin qifa can be used to spray control evenly with 200-300 kg of water.
