Mexican Bean Beetle (6261)

Although it is not yet a major pest of soybeans, leaf damage from the Mexican bean beetle was evident in a number of fields in the southeastern section of Pennsylvania during the past several seasons. As soybean acreage increases and production intensifies, this insect is expected to develop into an important pest.

The insect winters under trash and in protected sites as an adult beetle. There are probably two generations per year. Very little damage is done to soybean fields before August or until the second generation becomes active. Both adult beetles and larvae feed on the leaves.

For more information, please see this Penn State Fact Sheet.

Penn State Horticulture Department

For more information on this subject, Please visit the College of Agricultural Sciences Publications Web site.

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