Also known as the night worm, armyworm, etc., the corn stickworm is a food-borne, migratory, fulminant pest. Adult body length 17 to 20 mm, wingspan 36 to 45 mm, pale yellow brown to light grayish brown, tentacles filamentous, a small white point at the lower corner of the forewing mid compartment, dark brown frontal hind, pale brown, white hair , egg hemispherical, about 0.5 mm in diameter, body color changes greatly. Prevention and control measures: When 100 larvae of corn seedlings have 50 to 100 larvae, they should be controlled by pesticides. Before the third instar larvae, with diflubenzuron 1 or diflubenzuron 3, after adding water, spray or ultra-low volume spray, the field duration can reach 20 days, 90% trichlorfon 1000 times can also be used, or 80% dichlorvos 1000 times, or 50% phoxim EC 1500 times, spray evenly. Medical Instruments And Equipment Medical Instruments And Equipment,Nucleic Acid Extraction Robo,Nucleic Acid Extraction Instrument,Viral Nucleic Acid Extraction Method,Urine Analyzer Jilin Sinoscience Technology Co. LTD , https://www.jilinsinoscience.com
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