Entomology: Oriental Beetle

Problem:

Oriental Beetle is an invasive species whose larvae cause destruction of the root system, and subsequent death, of plants.

Commercial Nurseries:

An infestation in a commercial nursery. Note the dead plants amidst the green, healthy plants.

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Experiment Site:

The sod at the site of experiment side was cut to enable planting of test specimens. The cutter's name is Jeff.

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The finished site uses alternating patches of Arborvitae and holly, chosen for their susceptibility to the oriental beetle.

Before:

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After:

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Purpose:

The plants are dug up and the larvae in the soil around the roots are counted:

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Here, the soil is checked for larvae numbers:

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Larvae:

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The larvae exhibit c-shaped form:

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This picture was taken using water ...

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Pupae:

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Roots:

The larvae live among the roots of juniper plants, feeding first on the root hairs and later on the roots themselves:

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Adults:

Adult Females:

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Adult female (brown-colored) with male (green-colored):

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Adult Males:

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Potential Method of Control:

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Further Information:

http://www.ipmcenters.org/cropprofiles/docs/njsweetpotatoes.html