`Run A Computer Check On That Bug'

Scientists at the U.S. Agriculture Dept.'s Systematic Entomology Laboratory in Washington identify some 100,000 insect specimens a year. A misidentification can be extremely costly: A cargo of food could be needlessly impounded at the border, or one loaded with harmful insects could be unwittingly admitted. Yet there's a shortage of trained taxonomists--and the written keys to taxonomy are hard to use, requiring that traits be looked up in a specific order.

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