Page 42 - ஓஹியோ நிலை பல்கலைக்கழகம் நீட்டிப்பு News Today : Breaking News, Live Updates & Top Stories | Vimarsana

The mid-season defoliators are beginning to show up in soybean fields across Ohio. These defoliators include first generation bean leaf beetles, Japanese beetles, grasshopper nymphs and several different caterpillars such as silver-spotted skippers, painted-lady butterflies and green cloverworms. Since all of these insects collectively add to the defoliation of soybeans, their collective feeding is used in the threshold to determine the need for an insecticide treatment, but it takes a lot of feeding to add up to significant damage. It often looks worse than what it truly is. When scouting soybean fields to assess levels of damage, it is important not to let one’s eye and mind over estimate what is truly there. Japanese beetles and grasshoppers tend to hit edges of fields first before they start moving farther into the centers of the fields. And Japanese beetles tend to feed in aggregations and at the tops of plants producing a startling appearance that easily catches one’s eye

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