The big grey elephant weevil is also called the weevil and the tula donkey. The adult body is 9 to 12 mm in length, grayish yellow or grayish black and densely covered with grayish white scales. The head and densely shaded by golden light. The pests that have occurred this year have mainly consumed young stems and leaves on the surface during the emergence period, causing great harm. After being disturbed, it is suspended and suspended, and it is in the early morning and early evening. Seed germination and seedling period (late April) should pay close attention.
Control methods: The insects were captured and killed artificially by using the insects' clustering and suspended animation methods before 9 o'clock or 16 o'clock. Occur at the peak of the evening in the evening spray 40% acephate EC or 50% malathion EC, 40% omethoate EC 1000 times, have a higher control effect. The insects were captured and killed artificially by using the insects' clustering and suspended animation methods before 9 o'clock or 16 o'clock.
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