Culling autumn army insects teaching war manual! Appearance, fecal bite marks, experts: autumn army insects are prone to drug resistance. "use medicine only when you see the worm."

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Autumn military insects that have changed the color of farmers have spread to Taiwan. the main host plants include 76 families and 353 species, mainly harming cash crops such as corn, rice and sorghum, cotton, cruciferae, cucurbitaceae, Solanaceae, and so on. It may also be found in non-agricultural areas, such as schools, home vegetable gardens, plants in military barracks, turf on golf courses, and so on.

Following the discovery of autumn insects in Tongxiao in Miaoli, Toucheng of Ilan (10th) and Deer Grass in Chiayi (10th) on the 8th, there are two more confirmed cases today (13), namely corn from Luye in Taitung and corn bamboo shoots from Datong in Ilan. Both corn and rice are preferred. At present, the "Autumn military and insect disaster Emergency response team" has received a total of 78 cases from the public, including Yunlin, Taichung, Hsinchu and other counties and cities, and are waiting for the morphological identification of experts.

How to grasp the key 14-day "golden culling period" in China, and whether farmers should use medicine in advance? How to carry out physical prevention and control? What are the natural enemies of the army insects in autumn?

The young larvae and eggs will gather together, which can be eliminated collectively.

It takes about 30 days for an autumn army worm to grow from a larva to an adult, and if the climate is hot, it may be shortened to seven days, so it is the best time to eliminate it before it grows into a flying adult. Xu Rujun, a professor in the department of entomology at National Taiwan University, says that the most troublesome thing about this insect is that it can fly very well. The adult marching worm can fly 100km a night and 1000 km in a lifetime, and its host range is wider than that of Spodoptera litura and Spodoptera exigua. Therefore, it should be cleared at once when the eggs and larvae are concentrated.

She further discussed epidemic prevention methods from the growth cycle of autumn military insects: autumn military insects prefer to lay eggs in the lower leaves, hatch larvae after 1-3 days, and belong to the first to second instar within 3-6 days, and the larvae usually act collectively. Especially like to eat the tender place of the leaf-the new young leaf growth point at the junction of the stem, there will be obvious holes and gaps in the leaves, similar to the eating marks of leaf moths.

The key to annihilating the autumn army insects is 14 days! It may happen all over the country. Download and notify APP to confirm the bonus of 10, 000 yuan for the army and insects in autumn.

Autumn military insects spread to Taiwan, Ilan Chiayi confirmed the hit, and there was a suspected case in South Australia.

urgent! China blows the autumn army insects invading Taiwan! Confirm the whereabouts of Miaoli, Ilan Chiayi reported suspected cases