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Psylla carpinicola on Carpinus caroliniana. Rock Creek Park, Washington, DC, USA.
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Psylla carpinicola on Carpinus caroliniana. Rock Creek Park, Washington, DC, USA.
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Psylla carpinicola on Carpinus caroliniana. Rock Creek Park, Washington, DC, USA.
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Psylla carpinicola on Carpinus caroliniana. Rock Creek Park, Washington, DC, USA.
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Psylla carpinicola on Carpinus caroliniana. Rock Creek Park, Washington, DC, USA.