Outdoor travel need to pay attention to locusts (grass crawler) explain and prevent

Recently, Henan Province, Hubei Province, Shandong Province, Anhui Province, Jiangsu Province and other provinces and regions have reported more than 280 cases of tsutsugamushi disease and more than 10 deaths. According to reports, among the cases reported this year, the majority of the elderly people are elderly people. Cases over the age of 40 account for about 90% of reported cases, and farmers account for 90%. Donkeys who often walk outdoors will accidentally become high-risk groups of the pests. What are the locusts? How to prevent them from being injured by them? The following Xiao Bian will give you one by one.

Locust (grass climber) auspicious solution and prevention "grass crawling" scientific name, belongs to the order of the order, the general branch of carp. Adults have a strong shield on the back of the body, commonly referred to as hard ticks, which are hard ticks. Those without shields, known as soft ticks, belong to the soft tick family. Earthworms are temporary parasites on the surface of many vertebrates, and are vectors and reservoirs of zoonoses.

蜱 form

The worms are oval in shape. When they are not sucking blood, their backs are flat and their backs are slightly raised. Their body length is 2 to 10 mm. After engorgement, they swell, such as red beans or castor beans, and can be as long as 30 mm. Table leather quality, back or shelled shield plate. The body is divided into two parts: body and body.

1. The hard carcass, also known as the false head, is located at the front of the body, visible from the back, and consists of a scorpion base, a chelmage limb, a flap under the mouth, and a femur. There is a pair of pore areas on the back of the scorpion base of females, which have the function of sensing and secreting body fluids to help lay eggs. One pair of talons, is an important protractor. One plate under the mouth forms an oral cavity when the claws are closed. The ventral surface of the mouth plate has inverted teeth, which is an attached organ that is fixed in the skin of the host during blood-sucking. Both sides of the chelm lizards are composed of four sections. The body is bag-shaped, mostly brown, symmetrical on both sides. The shield on the back of the male is almost covered with the shield on the back of the female.

2. The soft corpus callosum is in the ventral surface of the body and is not visible from the back. On the back of the base, there is no hole area. There is no shield on the back of the body.

Life History

Cockroaches are incomplete metamorphosis. There are eggs, larvae (photos), nymphs and adults during the development process. The appearance of larvae and nymphs is similar to adults, but the larvae have only 3 pairs of feet and the nymphs have no gonads. The time from egg to fleas varies depending on the type of fleas, blood conditions, temperature, and humidity, and is usually several months to 1 to 3 years.

Once it enters the rainy season every year, it starts frequent activities, especially in the coniferous and broad-leaved mixed forests and coniferous forests in Xiaoxing'an Mountains. The climate is moderate and the rainfall is moderate, which is very suitable for the growth of grasses.

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