the black vine weevil, its damage and how to combat and eliminate it
the black vine weevil, its damage and how to combat and eliminate it The adult black vine weevil is a flightless insect that has a grayish-black color. It has short, broad and arched antennae and has short hair spots on its wings. These insects feed on plants at night, which damages plants, but they hide in cracks in soil, debris, and mulch during the day. What does the black vine weevil feed on? Grape mites eat a variety of fruits and ornamental plants, especially those grown in containers and those with succulent stems and leaves. There are plants in the ground that are less likely to be attacked by this pest, but you may experience some infections. These insects eat strawberries, yew plants, primula, polyanthus, etc., but there are a few plants that are resistant to the black vine mite. life cycle Eggs are laid from the beginning of July until the end of October in temperate climates and the larvae that hatch are characterized by a translucent white to pink body and a reddish brown head. In the roots of the soil, the larvae live and feed on them. They are legless and about 1 mm long at the hatch, but they can grow up to 12 mm. Its body is covered with white to light brown hairs, and the larva often curls into a C-shape when disturbed. When temperatures rise, larvae become active again. The larvae are full and become pupae during the spring. These cocoons are creamy white in color and the soil depth in which the cocoons can be located ranges between 2 and 20 cm. There is one generation each year in the open air, where a group of these insects consists entirely of females, and reproduction is by parthenogenesis. One female is enough to start a new community. What are the damage caused by the black vine weevil? During the summer months when black vine mites are active, their presence destroys plants. They leave distinctive bite marks on the foliage with irregularly shaped slits along the leaf margins. This damage does not cause the plants to lose their vitality, but rather destroys their shape, but it is the larvae that live underground and eat the roots that cause more serious damage and may lead to the death of the plant. How to combat these insects Grape vine weevil as we know that it may lead to the death of plants, so you must take the necessary measures to control its numbers. We will present ways to combat it in the following points: • Check the plants regularly and if you find adult weevils, remove them immediately. • Get rid of adult insects in pots and if you are not able to use sticky boards. • Remove the larvae in the roots of plants, if any, even if removing them is difficult, but try to get rid of as many as possible. • Plant plants that do not attract black vine mites to your garden. • Use biological controls as nematodes are effective in killing larvae in soil, whether in beds or containers, during the warmer months when the soil is at least 5°C. • Use insecticides, especially in the middle to late summer, so that the effects last well in the fall and spring when the larvae are most active. What are the companies responsible for controlling the black vine mite? If you cannot control these insects and save your plants from damage, you should contact a specialized company. Among the most famous companies in the Arab world, especially Kuwait: • Pest Control Company, Hawally. • Al Ahmadi Pest Control Company. • Also Mubarak Al-Kabeer Pest Control Company. • Insect Control Company Salmiya. • Al-Jahra Pest Control Company. • Also, Abdullah Al-Mubarak Pest Control Company. Keyword black vine weevil Description The black vine weevil is an insect that works to damage plants, whether in terms of shape or it feeds on the roots, which leads to the death of the plant, so it must be disposed of.