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flight mill prep

flight mill prep

Preparing navel orangeworm moths (Amyelois transitella) for flight mill testing is not for the fumble fingered. Individual moths—at most 11 millimeters long—are chilled and then glued to a tiny insect pin at the end of an arm of hypodermic tubing on a flight mill (top right). The mill features a thin arm of lightweight tubing that spins while mounted atop a post. The moth is counterbalanced by a dab of painter’s putty of the same weight, so each moth must be individually weighed; most weigh about 7 milligrams. (Photo courtesy of Joshua Reger)

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