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- Liu, Y.B.
- United States Department of Agriculture patents 2004 no.US 6,772,556 B1
- insect traps, equipment design, trapping, insect attractants, insect collection, patents, USDA, United States
- The invention is directed to a trap for insects, without killing them. It employs a housing, with an opening on one end, and at least one layer of parallel strings or line stretched across that opening. The distance between each string corresponds to the width of the body of the target insect. Some type of attractant is used to attract the target insect. Farmers, entomologists, and hobbyists will find this trap useful since it captures insects without killing them, thus permitting identification and further study.