Abstract
A portable collecting device constructed from a 3-inch mailing tube, a 1-pint ice cream container, and a 1-pint metal funnel using a hand vacuum cleaner powered by a portable generator has been used to collect more than 25,000 adults of the northern corn rootworm, Diabrotica longicornis (Say), the western corn rootworm, Diabrotica virgifera LeConte, and the spotted cucumber beetle, Diabrotica undecimpunctata howardi Barber. The device can be used either to collect insects directly or trap them for transfer to larger cages.
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