These kinds of insects are common in our lives, but there are many people who can't distinguish them, let's take a look at their differences!
1 grasshopper

Grasshoppers are common in Hebei, Anwei, Shandong, Shanxi and other places in China. The body of the grasshopper is about 4 cm long and nearly 1 cm wide, and the body is strong and green. The hind feet are strong, the belly is large, and the jump is good. It mainly eats plant stems, leaves, melons, fruits, etc., and eats a large amount of food, which is one of the pests that harm crops. The forewings of the males rub against each other and can make a "bracketing" sound, crisp and loud. People use small bamboo cages to raise ornamental, as an appreciation of recreational insects in China has a long history, such as in ancient Yizhou (now Yi County, Hebei Province) has hundreds of years of history of weaving cages to catch grasshoppers.
2 cockroaches
Crickets, known as crickets, inhabit the ground, under masonry, soil burrows, and grasses. Night out activities. Omnivorous, eating a variety of crops, saplings, vegetables and fruits. The body is about 3 mm long, lacks scales, has filamentous antennae, is longer than the body, has 3 tarsal segments, the forefoot is a walking foot, the tibia are often eardrum hearing devices, the hind feet are jumping feet, and the forewings of most species of males have a vocal structure. Fighting cockroaches also have a long history, when I was a child, I liked what kind of triangular head, like a hat.
3 locusts
Locust is a general term for orthoptera locusts, there are more than 10,000 species in the world, china has more than 1,000 species, distributed in the world's tropical, temperate grassland and desert areas, mainly including flying locusts and earth locusts. In China, there are three kinds of Flying Locusts: East Asian Flying Locust, Asian Flying Locust and Tibetan Flying Locust, of which the East Asian Flying Locust has the widest distribution range and the most serious harm in China, mainly harming grass plants. If you don't know how to deal with the pest problem when planting crops, you can go to the cloud to consult experts, which is the world's largest agricultural technology Q&A platform. It brings together tens of thousands of experts in planting and farming, and every question raised is answered within 2 minutes.
4 grasshoppers
Grasshoppers have chewing mouthparts, are plant-feeding insects, have short whip-like antennae, have strong hind legs, and can use bounce to avoid predators. The body color is green and brown, the mouth is large, the chin is developed, feeds on plant leaves, and prefers reeds, barnyard grass, white grass, dogtooth grass shrimp whisker grass, sea canopy and artemisia plants, distributed in tropical, temperate grasslands and desert areas around the world. In fact, grasshoppers are also known as locusts, that is, grasshoppers are locusts.
4 grasshoppers
Grasshoppers are a general term for insects of the grasshopper family in the grasshopper family, but the Chinese grasshoppers in our common figures are locusts. The female is larger than the male , with a green or yellowish brown body , a pointed head , a conical shape , short antennae , a pronounced compound eye at the base , and a chewing mouthpart. He likes to eat thick leaves, such as sweet potatoes, hollow cabbage, etc., which are large in number and widely distributed, and often eat harmful crops and pastures. The hind feet are well developed, good at jumping, and can make a "Zaza" sound when flying. Grasshoppers and locusts are intertwined.
Summary:
Grasshoppers, cockroaches, and locusts are collective names for the orthoptera cetaceae, cricketidae, and locust family, which are three completely different insects.
Grasshoppers are collectively referred to in the orthopteraidae (Locustaceae) and the grasshopper family (Locustidae), but some locusts similar to those described above can also be called grasshoppers. That is, grasshoppers and locusts are intersecting.
Grasshopper is another name for locusts, and locusts are an insect.
Don't know if you can tell the difference now?