Many people may think that ladybugs are beneficial insects, and they are stupid to distinguish which are ladybugs. We'll figure this out today
Beneficial Ladybirds:
1, seven star ladybird: for beneficial insects, adult insects can prey on wheat aphids, cotton aphids, locust aphids, peach aphids, shell insects, ticks and other pests, which can greatly reduce the damage of trees, melons and fruits and various crops from pests, known as "living pesticides", widely distributed in China. In southern China, commonly known as "Flower Sister".
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2, twelve star ladybird: living in a grassy environment, belongs to the plant insect, is a diurnal insect. It is distributed in Taiwan and lives in flat and low altitude areas.
3, two-star ladybird: beneficial insects. The body length is 4.5-5.3 mm, and the body width is 3.1-4.0 mm. The perimeter of the body is oval, the head is black, there is a semicircular yellow-white spot on the inside of the compound eye, the compound eye is black, the antennae are yellowish brown, the lip base is white, and the upper lip is black. The dorsal plate of the forebreast is yellowish-white with an "M" shaped black spot, sometimes the black part expands into a large spot.
4. Eight-chamber disc ladybird: eight-chamber disc ladybird, Coleoptera, Ladybird family, domestic distribution in Yunnan, Sichuan and other places. It is a beneficial insect.
5. Four-star ladybug: small beetle. Ladybirds, except for a few time plant-feeding, are predatory most of the time and are natural enemies of pests. Four-star ladybugs are agricultural and forestry helpers.
Pest gourts:
1, soybean ladybird: mainly distributed in Shandong, Anhui, Fujian, Guangdong, Guangxi, Yunnan, Tibet and other places. The body length is 5.4-5.8mm, and the body width is 4.6.4.8mm. The body is ovate, hemispherically raised, reddish-brown, and densely covered with fine light yellow hairs.
2. Saw leaf rump ladybird: (Henosepilachna pusillanima) is mainly distributed in Taiwan, Yunnan, the Philippines and its vicinity. The hosts are nightshade and dragon flower.
3, twenty-eight star ladybird: is a typical harmful ladybug that harms vegetables, it is a potato ladybird and eggplant ladybird collectively, mainly to harm eggplant and potatoes.
4, potato ladybird: adults, larvae in the leaf back to peel off the leaf flesh, leaving only the epidermis, the formation of many irregular translucent fine concave lines, shaped like a bottom. It is also possible to eat leaves into holes, or even only leaf veins. In severe cases, the affected leaves withered and browned, and the whole plant died. The fruit is often cracked and the tissue stiffened at the place where it is eaten; it is rough, bitter and inedible.
5. Ponosepilachna boisduvali is found in the Okinawa Islands of Japan and Lanyu Island in Taiwan. Feeds on the leaves of plants of the Cucurbitaceae family.
6 Ten star ladybird: Ten star ladybird leafhopper uses adult worms and larvae to bite the young shoots and leaves of the plant. The leaves are often bitten into holes, and when they are born, the leaf flesh is all eaten, leaving only the leaf veins.
Divided by diet:
Predatory: There is a certain degree of specificity.
Bacteriosynoreality
Of course, the above pest and pest distinction is only for agriculture, and it is necessary to understand these knowledge if you want to go to ecological agriculture, and welcome to participate in the discussion in the comment area.