It's a mole cricket.

Gryllotalpa crickets

Gryllotalpa crickets, insects, commonly known as plow dogs, Lala mayflies, pickpockets, earth dog pups (Southwest China), moths ants (Dobizai), the Northeast is known as ground Procambarus clarkii; also known as the shear willow boy (pickpockets of the Taiwanese language). In Sichuan it is known as the earth dogzi. The back is generally tea brown, the abdomen is generally grayish yellow, according to the different years of its survival, the color is slightly shades of change. The front feet are large and shovel-shaped, suitable for digging, with tail whiskers. Living in the soil, day and night, eating crop fluffy stems.

Insecta, Orthoptera, Cricket family, Gryllolaptaptidae. Large, earth-dwelling. The antennae are shorter than the length of the body, and the forelegs are excavating, lacking ovipositor. Insects in this family are commonly known as mole crickets. Common name: Lala mayfly, earth dog. About 50 species are known worldwide. Four species are known in China: North China mayflies, African mayflies (should be oriental mayflies, occurring throughout the country, generally in the south of the Yangtze River oriental mayflies more), European mayflies and Taiwan mayflies.

Shape

Body narrow and long. The head is small and conical. Compound eyes small and prominent, single eye 2. Prothoracic dorsal plate oval, dorsal surface elevated like a shield, both sides extending downward, almost enveloping the basal segment of the forefoot. Forefoot specialized into a stubby structure, basal segment especially short and broad, leg segments slightly curved and lamellar, tibial segments very short, triangular, with strong terminal spines, facilitating excavation. Medially there is 1 cleft for the hearer. Forewings short, males able to call, articulatory mirror imperfect, bounded only by diagonal and oblique veins, forming long triangular chambers; telopetalous area small, female ovipositor reduced.

Growing areas

Larasma mayflies generally live in the north (especially common in the northeast). The main living environment is in the rural areas of the Northeast. Generally active at night, but can also be active during the day when the temperature is favorable. When the relative humidity of soil is 22~27%, mole crickets in North China are the most damaging. When the soil is dry, there is little activity and the damage is light. Adult mole crickets are phototropic. In summer and fall, when the temperature is between 18~22℃ and the wind speed is less than 1.5m/s, a large number of mole crickets can be induced by lights at night. Gryllolaptaptidae can walk backwards, especially in the burrow. Adults and mayflies are good swimmers, and females have the habit of nursing their young. Worms can move independently until the fourth instar. Gryllolaptaptidae has a close relationship with the environment, often inhabiting the plains, light saline and alkaline land, and along the river, near the sea, near the lake and other low-wetland areas, especially sandy loam and humus areas.

Life history

The life history of mole crickets in North China is relatively long, 1 generation in 2~3 years, and they overwinter by building holes in the soil with adults and wolverines up to 1~16 meters deep. One bug per hole, head down. The following year, when the temperature rises, the activity begins, and the surface of the camp grows into a tunnel of about 10 centimeters. African mole crickets only in the top of the hole congestion up a pile of virtual soil or shorter tunnels. June to July is the egg-laying season, mostly in the light saline areas of sunny, high, dry, near the ridge border weir place. Eggs dozens of grains or more, laid in heaps in the egg chamber at a depth of 15~30 cm. Each insect lifetime **** spawns 80~809 eggs, average 417. Egg period 10~26 days into the worm, in October to November to 8~9 age of the worm period overwintering, the second year to 12~13 age of the worm overwintering, the third year to adult overwintering, the fourth year in June spawning.

African mole crickets

African mole crickets in the Yellow River and Huaihe River area about 2 years to complete a generation, south of the Yangtze River 1 year a generation. The spawning habits are similar to those of the North China mayflies, but they tend to live in wet areas and concentrate along rivers, ponds and near ditches. The egg period is 15~28 days. In the yellow and Huaihe region in the current year into a worm, to 4~7 age of the worm overwintering, if the worm ***8~9 age, in the second year of summer, autumn feathered into adult overwintering, the third year in May~June spawning.

Medicinal value

The medicinal part of mole crickets is the dried adult mole crickets. The larger wakame can also be used for medicine. When the insects are harvested or trapped by light, they should be scalded with boiling water as soon as possible, dried in the sun or dried and set aside, but should be protected from mold and insects. There are also records of burying live insects in lime and drying them. Gryllolaptaptor has diuretic, decongestive and detoxifying functions. Taken internally 5g~10g, it can reduce edema, diuretic treatment of gonorrhea and treatment of bruises; it can treat abscesses and sores. In the course of animal testing, the insect was found to have a small toxicity, but did not see any obvious diuretic effect.

Feeding techniques

The ones applied in traditional Chinese medicine are North China mole crickets and African mole crickets. In the natural ring mirror, the occurrence of both kinds is large. Harvesting adult insects in the field by light trapping methods often yields good results and is sufficient to meet the requirements of medicinal supply. However, as the technical means of managing agricultural pests continue to improve, pesticides and methods of application continue to improve, as one of the important underground pests of mole crickets, the number of insect population has been significantly reduced. In order to ensure the supply of medicinal sources, it is still necessary to raise mayflies artificially with the information of the medicinal herb market. Group rearing mole crickets, with a length of 300 cm, width of 200 cm, more than 200 cm deep large feeding pool is good, the pool is surrounded by brick masonry, cement smoothing, the lower part of the fill 100 cm thick loam, slightly compacted, to create a deep overwintering or digging spawning, child-rearing environment; and then fill 20 cm thick of moist and loose soil containing farmyard manure or humus, so that the soil to adapt to mole crickets, "run wet, not dry", "running wet", "running dry", "the", "the", "the", "the", "the", "the", "the", "the" and "the". Dry", "run loose not run hard" habits; surface sprinkled with a layer of fermented horse dung, broken wheat straw, grain chaff, etc. as a protective layer for adults, insects, for diving, digging attempts to channel, foraging, looking for a mate or to avoid the attacks of predators; and then put a layer of long straw, corn cobs, straw, etc. on the top loosely, as a shade, moisturizing with. The pool is covered with an iron window screen cover to prevent adult insects from escaping at night.