Common pests of the flower dance: red spider mitesRed spider mites, also known as red spider mites, belong to the Arachnidae, Tetranychus family. There are three common similar species, which mainly harm a variety of vegetable crops such as Solanaceae, Cucurbitaceae, Leguminosae, and Liliaceae. Flower lovers should remember the morphological characteristics of red spider mites. Once discovered, kill them immediately! Morphological characteristics of red spiderAdult mite: 0.42-0.52 mm long, with large body color variations, generally red, pear-shaped, with a long black spot on each side of the back of the body. Eggs: spherical, smooth, colorless to dark yellow with red. Young mite: nearly round, with three pairs of legs. Nymph: has 4 pairs of legs and obvious blocks of pigment on the sides of the body. Characteristics of red spider pestsRed spider mites overwinter mostly in soil cracks or under tree bark near their hosts in autumn. Activities begin in early spring from February to March of the following year, and damage is gradually transferred to the plants from mid-to-late April to early May. A female mite can lay more than a hundred eggs. Adult mites and nymphs spread among plants by crawling or spinning silk, causing harm. Key points for controlling the red spider pestTake good disinfection measures to prevent the breeding of insects and mites. Strengthen insect inspections, control the situation at the stage when damage occurs in certain areas, and do a good job of checking, eradicating, picking and treating. Chemical control: Abamectin and dacarbamectin are very good agents for killing red spider mites. Focus on spraying the back of leaves, flower organs, growth points and other parts of the upper part of the plant. |
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