Pest Management & Plant Health

The redhumped caterpillar is a familiar pest on fruit and nut trees such as plum, almond, cherry, and apple, as well as on ornamental trees like liquidambar and birch. It can reach high populations in California's Central Valley, sometimes defoliating entire trees.

UC Davis epidemiologist Amy Morrison knows Iquitos, Peru, like the back of her hand. Travelers know Iquitos as the "capital of the Peruvian Amazon" but scientists know it as a hot spot for dengue, a mosquito-borne viral disease with raging outbreaks in many tropical and subtropical countries.

How are the bees doing? When the American Beekeeping Federation (ABF) meets Jan. 9-13 at the Grand Sierra Resort, Reno, Nev. for its 75th annual American Beekeeping Federation Conference & Tradeshow, the key concern is bee health. Sadly, colony losses continue to take their toll.

Peach leaf curl is a disease that affects peach and nectarine trees. Although you may not see symptoms right now in the dormant season in California, it's time to think about treatment, especially if your tree had the disease last year.

The UC Davis Department of Entomology and Nematology has announced the list of seminars it will host for the winter quarter. The seminars begin Jan. 10 and will continue through March 14. All will take place on Wednesdays from 4:10 to 5 p.m. in 122 Briggs Hall, Kleiber Hall Drive.

Most people avoid a hornet's nest. Not environmental artist Ann Savageau; the retired UC Davis Department of Design professor creates art from hornet nest paper. "I began using hornet nest paper back in Ann Arbor, Mich.

2018 brings new challenges, new opportunities and new leadership to our UC ANR Strategic Initiatives. Please join us in welcoming four new SI leaders for three of our five initiatives.

Winter is an ideal time to prune deciduous fruit and shade trees, since the trees are dormant and you can more easily see the tree canopy. In many cases, pruning can also help prevent or control certain insect and disease problems.

A major citrus pest may experience a Bah, Humbug! kind of year.

[From the Winter 2017 issue of the UC IPM Green Bulletin] Rodenticides are essential tools in the IPM toolbox for rodent management.