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Science 22 December 2000:
Vol. 290. no. 5500, pp. 2230 - 2231
DOI: 10.1126/science.290.5500.2230b
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News of the Week

ECOLOGY:
Silk Moth Deaths Show Perils of Biocontrol

Mari N. Jensen

North America's largest, most spectacular moths are being decimated by a foreign fly introduced to control gypsy moths, a new study suggests. These cecropia moths and other native silk moths were once so common that people gathered cocoons by the basketful, but lately entomologists have been hard-pressed to find them. Now, a series of field experiments has shown that the European fly Compsilura concinnata has a ferocious appetite for silk moth caterpillars.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)