A Method Employed in Rearing Thrips

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A method used in rearing thrips is here described since it seems more work is being done, or contemplated, on thrips of economic importance. Sections of glass tubing were held upright by inserting them in a yucca block. A cap of “Cellophane” or bolting silk was placed over the upper end of the tube. A strip of cotton was twisted tightly around the petiole of the leaf used for food before being inserted in the tube, thus securely plugging the lower end. The yucca block was then set upon a small Petri dish containing water and the petiole, protruding from the tube below the lower edge of the block, had access to the water. Some of the advantages of this type of “cage” are (1) the leaves can be kept fresh and easily changed, (2) the thrips can be readily observed, (3) little space is required, and, (4) the whole unit is very inexpensive.

Document Type: Research Article

Publication date: December 1, 1932

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