Theodore Pergande, from 1878 to 1915 curator of the U.S. National Collection of Aphididae at USDA
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Unknown author<span style="display: none;">Unknown author</span></div>
between 1878 and 1915 <div style="display: none;">date QS:P571,+1500-00-00T00:00:00Z/6,P1319,+1878-00-00T00:00:00Z/9,P1326,+1915-00-00T00:00:00Z/9</div>
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