We hope these reports will make your job easier. Down the Garden Path . The information given herein is supplied with the understanding that no discrimination is intended and no endorsement by the Purdue University Cooperative Extension Service is implied. Any person using products listed assumes full responsibility for their use in accordance with current direction of the manufacturer. Japanese Beetle Feeding Injury Plants particularly at risk to Japanese beetle feeding include those that have recently been transplanted or those that are stressed for one reason or another.
Japanese beetles do have their favorite foods as well.
These include plants such as linden, crab apple, plum, and other fruit trees, rose bushes, grapes, and several garden variety vegetables. For more information on Japanese beetles, please refer to the June 21 issue of the Educator Update or to E-75 . Now that I have your attention. Other crops may have similar problems including beans, eggplant, and okra. Our best guess is that the blossom drop is due to lack of or inadequate pollination, which in turn is likely related to temperature extremes.