Pest Management & Plant Health

Primary Image
Adult <i>Aedes aegypti</i> mosquito.<br>(Credit: James Gathany, Centers for Disease Control and Prevention)
Pests in the Urban Landscape: Article

Mosquito Prevention

April 10, 2020
With recent rains in many parts of California and the weather warming up, it's time once again to think about mosquito prevention and control.
View Article
Intermountain REC News: Article

Natural Enemies are Important for Control of the Aphid Complex in Alfalfa - A Case Study

April 8, 2020
By Ian M Grettenberger, Rachael Long, Robert G Wilson
Re-posted with permission from the UC ANR Alfalfa & Forage News: "The enemy of my enemy is my friend" holds true in entomology as well! The activity of natural enemies of pests (beneficial insects) is a key component of Integrated Pest Management in alfalfa to prevent pest resurgence and secondary p...
View Article
Intermountain REC News: Article

"I'll be BACK" - Managing Blue Alfalfa Aphids in Alfalfa

April 8, 2020
By Ian M Grettenberger, Rachael Long, Michael D Rethwisch, Robert G Wilson
Re-posted with permission from the UC ANR Alfalfa & Forage News: I'll be back! And, they are, with a vengeance! Just like the Terminator, those pesky blue alfalfa aphids are once again wreaking havoc in alfalfa fields, including those just breaking dormancy in colder climates.
View Article
Primary Image
Green stink bug egg cluster. (Credit: Jack Kelly Clark)
Pests in the Urban Landscape: Article

Virtual Easter Egg Hunt

April 8, 2020
For the last two years, UC IPM has shared an Easter egg photo quiz with insect and spider eggs and egg cases. In case you want to play again, this post is from our 2018 egg hunt and this post is our 2019 egg hunt.
View Article
The Backyard Gardener: Article

Tomatoes Going Viral!

April 7, 2020
By Dustin W Blakey
Sure our area is hot and dry for much of the year, but the silver lining is that we have very few fungal diseases to deal with in the garden. I swear in Arkansas you cold hear fungi growing on tomatoes from the heat and humidity. (And on roses, too, but that's a different topic.
View Article
Primary Image
Adult honey bee (Credit: Jack Kelly Clark)
Pests in the Urban Landscape: Article

Webinar on Pollinator Health This Wednesday, April 8

April 6, 2020
On Wednesday, April 8, UC Ag Experts Talk will be hosting a webinar titled From Integrated Pest Management to Integrated Pest and Pollinator Management: An Update on Current Research on Pollinator Health. This is a 2.5 hrs in-person meeting converted into a webinar.
View Article
Primary Image
This is the coronavirus-equipped mantis that's drawing lots of smiles in the Davis front yard of entomologists Robert and Lynn Kimsey of UC Davis. (Photo by Lynn Kimsey)

Ever Seen a Coronavirus-Equipped Mantis?

April 6, 2020
By Kathy Keatley Garvey
Sometimes you just have to display your sense of humor. Take the case of a huge praying mantis sculpture that anchors the Davis, Calif., front yard of entomologists Robert and Lynn Kimsey of the UC Davis Department of Entomology and Nematology.
View Article
Primary Image
Amsinckia 3
UC Weed Science (weed control, management, ecology, and minutia): Article

Weeds from Droughty Winters

April 6, 2020
As of February 20, fiddleneck (Amsinckia spp.) was flowering in Fresno County. Zero rain fell in the city of Fresno during the month of February. By February 27, a date when the temperature reached 79F in Fresno, the U.S.
View Article
Primary Image
Principles of weed control training videos
UC Weed Science (weed control, management, ecology, and minutia): Article

Weed science training videos

April 5, 2020
By Gale Perez
Several years ago, the UC Weed Science group produced a series of training videos. In the next few days, I'm going to share links to the videos. The first topic is principles of weed control. The videos are broken up into smaller parts, so they are easier to view.
View Article