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Ladybugs eat vegetable leaves, hehe.
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Speaking of ladybugs, everyone will definitely want to say that they are beneficial insects.
For example, two-star, seven-star, six-star, twelve-star and thirteen-star, big red ladybugs, these ladybugs specialize in preying on aphids, scale insects.
Whiteflies and so on, those pests that grow very small, so they're all our friends and beneficial insects in agricultural production, but you know what?
In addition to these beneficial insects, there is also a class of pests in the ladybug family, but this kind of ladybugs, specifically feed on plants, they mainly eat the leaves and fruits of plants, when they occur in large numbers, they bring serious losses to agricultural production, today we will take you to know one of the most common ladybugs in life, potato ladybug.
Ladybug in the countryside of our hometown, we all call it Sister Hua, from the name, this ladybug seems to only harm the potato, in fact, it is not, the plants that are harmed by it are not only potatoes, usually we plant eggplant, tomatoes, cucumbers, peppers, beans, melons, etc., these mesophylls and peels are also its harmful objects, just because this ladybug has a strong partial feeding force to potatoes, and the damage to potatoes is the most serious, so this ladybug is named potato ladybug.
The potato ladybug has a lot of dark spots on its back, and we carefully counted a total of 28 spots, so it is also called the Twenty-Eight Star Ladybug.
The body length is generally around 9 mm. The larvae and adults of potato ladybugs damage the leaves, stems, and fruits of crops, some gnaw on the leaves, and some gnaw on the peel of the fruits.
Some even have cavities, and when there are a large number of ladybugs, potato ladybugs can eat all the leaves, leaving only the veins of the leaves, so that the whole plant will die.
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What plants do ladybugs eat Most species of the subfamily Ladybugs feed on Solanaceae, Cucurbitaceae, and Asteraceae, and some eat Fabaceae, Poaceae, Grape family, Hydrangeaceae, Ranunculaceae, Nettle, Schisandra, Verbenaceae, Rubiaceae and other plants, and a few species feed on ferns. Some of these species feed on cultivated crops, such as the potato ladybug distributed in the Palearctic and the solanum 28-star ladybug distributed in the Indo-Malayan region, which damage potatoes and eggplants; Ladybird melon is a pest of melons distributed in the Indo-Malayan region. Soybean ladybugs, which are found in the Indo-Malayan region, and Mexican ladybugs, which are found in North America, are harmful to soybeans.
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Most of the species of the subfamily of plant-eating ladybugs feed on Solanaceae, Cucurbitaceae, Asteraceae, and some feed on legumes, grasses, grapes, hydrangeaceae, ranunculaceae, nettles, Schizandra, verbenaceae, Rubiaceae and other plants, and a few species feed on ferns. Some of these species feed on cultivated crops, such as the potato ladybug distributed in the Palearctic and the solanum 28-star ladybug distributed in the Indo-Malayan region, which damage potatoes and eggplants; Ladybird melon is a pest of melons distributed in the Indo-Malayan region. Soybean ladybugs, which are found in the Indo-Malayan region, and Mexican ladybugs, which are found in North America, are harmful to soybeans.
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There are two types of ladybugs, one is those that eat plant leaves, such as the twenty-eight star ladybug. The other type is those who eat aphids, such as the seven-star ladybug.
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Most species of the ladybug subfamily feed on Solanaceae, Cucurbitaceae, Asteraceae, and some feed on legumes, Poaceae, Grape family, Hydrangeaceae, Ranunculaceae, Nettle family, Schisandra family, Verbenaceae, Rubiaceae and other plants, and a few species feed on ferns.
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Seven-star ladybug is a beneficial insect, mainly based on aphids and insects as food, but also eat cotton aphids, ticks, locust aphids, peach aphids, only occasionally eat a little vegetables, mainly eat rape, spinach, lettuce, cabbage, lettuce and other leafy vegetables, but do not take vegetables as the main food, do not need to worry too much.
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The hairy ladybug, which mainly eats nightshade plants, seems to like it very much, and eats all the leaves white. Very vicious, lays a lot of eggs, and will play dead, hiding under the leaves.
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There are three types of feeding habits of ladybugs: fungus, herbivorous and predatory, and they are generally dominated by small insects such as aphids or mycelium and other fungi of plants such as Solanaceae.
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They generally eat some leaves, but also some honey and nectar. Favorite food and aphids, scale insects, whiteflies, ticks, locust aphids.
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Ladybugs are generally based on plant hyphae or fungi such as aphids and small insects. For example, eating wheat aphids, cotton aphids, etc.
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Peach aphids, scale insects, locust aphids, wheat aphids, etc., are mostly some pests.
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Ladybugs belong to beneficial insects, eating cotton aphids, scale insects, locust aphids, peach aphids, wheat aphids and other pests, which are conducive to the growth of crops, and ladybugs belong to small insects of the ladybird family, with red, black or yellow spots on the back, which are mainly divided into predatory, fungivorous and herbivorous three kinds, among which herbivorous ladybugs feed on vegetable shoots and belong to pests.
1. Food selection
Most ladybugs belong to beneficial insects, feeding on pests such as cotton aphids, wheat aphids, locust aphids, peach aphids, scale insects, ticks and other pests on crops or crops, which are beneficial to the growth of crops, while a few ladybugs feed on the leaves and young stems of plants such as melons and fruits, eggplants, peppers, zucchini, etc., and belong to pests.
2. Variety introduction
Ladybug is a small insect of the ladybird family, its shell color is red, distributed with black spots, mostly distributed in North America, and ladybugs first appeared in the Middle Jurassic era, more than 100 million years ago, and there are more than 5,000 species of ladybugs known in the world.
3. Main classifications
Ladybugs can be divided into three kinds according to their feeding habits, namely predatory, fungivorous, and phytophagous, among which predatory ladybugs have specificity, and their representative varieties are seven-star ladybugs, six-striped ladybugs, etc., fungivorous ladybugs feed on powdery mildew bacteria, the main varieties are white ladybugs, yellow ladybugs, and herbivorous ladybugs have potato ladybugs, eggplant 28-star ladybugs and other varieties.
4. Breeding methods
In the process of breeding ladybugs, a deep carton should be prepared, and a layer of nutrient-rich soil should be spread to the bottom, and then the ladybugs should be put into it to provide them with rice, vegetable leaves, aphids and other foods every day, and the top of the carton should be covered with a gauze to facilitate air circulation, so as to avoid the death of ladybugs due to lack of oxygen.
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Ladybugs generally eat aphids or other insects with soft bodies and small sizes, such as scale insects, powder chain lice, ticks and other insects. Ladybugs are more active in summer, mainly in farmland or grass, and in places where there are many aphids.
Ladybugs can also be called fat and small, matchmaker, flower sister, and golden beetle.
Ladybugs go through four different stages of development in their lives: egg, larva, pupa and adult.
There are many types of ladybugs, which are distinguished by the color of the volt, and the lack of call sheds is generally yellow, orange or red, etc.
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Ladybugs feed on wheat aphids, cotton aphids, locust aphids, peach aphids, and scale insects.
1. Wheat aphid
Wheat aphid generally refers to honey worms, also known as greasy insects, tobacco aphids, peach red aphids, and vegetable aphids. It mainly harms cabbage, cabbage, radish, mustard greens, brassica, turnips, bell peppers, peppers, spinach and other crops. The natural enemies of wheat aphids include ladybugs, aphid-eating flies, lacewings, smoke aphid cocoon wasps, vegetable aphid cocoon wasps, spiders, parasites, etc.
2. Cotton aphid
Cotton aphid is an insect of the genus Aphidaceae. Commonly known as greasy bugs. It is a worldwide pest of cotton.
It occurs in all cotton areas of China and is one of the important pests in cotton seedling stage. The host plants include pomegranate, pepper, hibiscus, rhamnosa, cotton, melon, etc. It has a wide range of hosts, with at least 700 host plants worldwide.
It can seriously affect most cucurbitaceae and solanaceae vegetable crops, as well as leafy vegetables, legumes, potatoes, ornamentals, stone fruits, rapeseed, citrus, cotton or many other important crops.
3. Acacia aphid
Acacia aphid, generally refers to peanut aphid. An insect belonging to the genus Aphids of the family Homoptera. It is distributed in various parts of China, but the degree of damage varies, ranging from a slight yield reduction of 20% to 30% and a serious loss of more than 60%, among which Shandong, Henan, and Hebei are seriously affected by the infiltration front.
Peanut aphid is also a vector of peanut virus disease. Its eating habits are very wide, in addition to harming peanuts, it can also harm more than 200 species of host plants such as alfalfa, vetch, pea, cowpea, etc.
Fourth, peach aphid
Peach aphid, belonging to the order Hemiptera, aphidaceae. Also known as greasy insects, smoke aphids, peach red aphids, vegetable aphids, and oil men. Peach aphid is a wide-ranging pest with about 285 species of host plants in 74 families.
The life cycle of peach aphid is mainly parasitic, and the winter host plants mainly include pear, peach, plum, plum, cherry and other Rosaceae fruit trees. The main summer host crops are cabbage, cabbage, radish, mustard, brassica, turnip, bell pepper, pepper, spinach and other crops.
5. Scale insects
Scale insects are an important pest of citrus and grapefruit, and the common ones are red round scale, brown round scale, Kang pian scale, sagittal scale and blow cotton scale. Scale insects damage leaves, shoots and fruits. Scale insects tend to be winged males that can fly, and females and larvae, once feathered, live on branches and leaves or fruits for life.
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Ladybugs mainly eat wheat aphids, cotton aphids, locust aphids, peach aphids, scale insects, ticks and other insects, ladybugs can be found on wheat and rape plants in spring, in summer they will gather on cotton, bean plants to find food, autumn ladybugs will hide in corn, cabbage and other places to lay eggs, when winter comes, they need to hide in wheat, rape rhizomes between the winter.
Ladybugs are carnivorous insects that mainly eat some pests, such as wheat aphids, cotton aphids, locust aphids, peach aphids, scale insects, ticks, etc.
In spring, when the temperature rises above 10 degrees Celsius, ladybugs wake up from hibernation and can be found on wheat and rape plants.
Summer is the season when ladybugs breed in large numbers, and they gather on cotton, willow, locust trees, and bean plants, as food such as aphids, scaleworms, etc., can be found on such plants.
In autumn, when the temperature is low in the morning and evening, ladybugs will hide in corn, radish, cabbage, etc. to lay eggs, and wait for the sun to come out and the temperature will warm up before coming out to feed. The number of ladybugs decreases dramatically in winter, and they need to overwinter in the rhizomes of wheat and rape, or in sunny clods and crevices.
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For example, the herbivorous ladybug food is mainly the spores and hyphae of powdery mildew, the herbivorous ladybug food is mainly Solanaceae, Cucurbitaceae and other plants, and the predatory ladybug food is mainly small insects such as aphids and scale insects and red spiders.
Seven-star ladybug is a predatory insect of the Coleoptera ladybug family, as a beneficial insect, adults can prey on wheat aphid, cotton aphid, locust aphid, peach aphid, scale insects, ticks and other pests, can greatly reduce the harm of trees, melons and fruits and cotton, wheat, cowpea, cabbage, corn, sorghum from pests, is known as "live peasant".
Ladybug is the common name for the round-protruding beetle of the family Coleoptera, which is a small, brightly colored insect with red, black, or yellow spots. There are more than 5,000 species of ladybugs worldwide, of which more than 450 species inhabit North America.
The life of ladybug larvae is monotonous, they swim among flowers and plants every day, frantically preying on aphids. The life span of ladybugs is very short, it only takes about a month from egg growth to adult stage, so no matter what time of year, we can find the eggs, larvae, and adults of ladybugs in the garden at the same time. As time goes by, the larvae of ladybugs have a larger and larger appetite, a round body, smooth elytra, usually black elytra with markings, and a body that is constantly growing, and they have to break free from the shackles of the old ** and begin a difficult process - molting.
It is easy to appear from spring to summer, and pests like this can be seen in daily life, and they look very red on the outside.
From your description, the vast majority of ladybugs are beneficial insects, and only a few ladybugs are pests. >>>More
Speaking of ladybugs, everyone will definitely want to say that they are beneficial insects. >>>More
Don't catch it, raise more aphids for it to eat! That's it.
Beneficial insects: Insects that perform activities that are beneficial to other organisms. The criteria for defining beneficial insects are quite subjective: humans tend to measure the contribution of a particular species of insect to humans to determine whether it is beneficial or not. >>>More