The adult female ambrosia beetle and ambrosial fungi in the gallery

Granulate Ambrosia Beetles

Dr. Jason Oliver at the TSU Otis Floyd Nursery Research Center in McMinnville alerted us that they had caught a single granulate ambrosia beetle adult and two black stem borers in their ethyl alcohol baited trap when it was checked on Wednesday, March 18. As spring approaches, so too do the emergence of these pests as temperatures at or above 70 degrees F are conducive for ambrosia beetle activity. They primarily attack trees that are stressed and dormant, which many plants, especially if they were not irrigated last August through October could have been damaged by the flash drought. Often, these plants will not show signs of stress because of their dormancy. The granulate ambrosia beetle is an invasive pest from…

New Paper on Relative Attractiveness of Ornamental Cultivars to Pollinators

Ornamental plants are generally considered to be less attractive to pollinating insects, but some varieties and cultivars are more attractive than others. Here we compare the relative attractiveness of different popular ornamental plants to flower-visiting insects and provide recommendations for more pollinator-friendly varieties. View the open-access article Please feel free to email Dr. Laura Russo with any questions concerning this project: lrusso@utk.edu

Portrait Dr. Frank Hale

Dr. Frank Hale’s ‘Traveling Elixir of Ornamental Ailments’ comes to UTIA

This exhibit showcases the variety of insects that damage ornamental plants in landscape and nursery settings in Tennessee. If you want to know what that “bug” on your azaleas is or what borer is killing your dogwoods, Frank will show you what it looks like, as well as offer advice on how to control it. Please drop by to look at his specimens or to ask him specific control questions!! Whatever the reason, drop by on Friday and say “hi”! Presented by: Dr. Frank Hale, Professor, Extension Entomology Specialist (Soil, Plant and Pest Center, Nashville) Location: Hollingsworth Auditorium, Ellington Plant Sciences Building Date & Time: 9:00 am – 2:00 pm, Friday, April 12, 2019 Sponsored by: EPP 410 [Diseases and…