Posts Tagged: fusarium
Managing Invasive Shot Hole Borers in Southern California

[Originally published in the Fall 2018 issue of the Green Bulletin. Modified slightly from...
Invasive Shot Hole Borers Threatening Trees in Southern California

[From the December 2016 issue of the UC IPM Green Bulletin] The Polyphagous shot hole borer (PSHB)...
Phytophthora tentaculata: A New Exotic and Invasive Disease
![Fig. 1 (a) Dying and dead Diplacus aurantiacus (orange bush monkeyflower) with advanced above ground symptoms, typical of Phytophthora disease. The infected plant has chlorotic (yellowing and browning) foliage. [L. Sims] Fig. 1 (a) Dying and dead Diplacus aurantiacus (orange bush monkeyflower) with advanced above ground symptoms, typical of Phytophthora disease. The infected plant has chlorotic (yellowing and browning) foliage. [L. Sims]](http://ucanr.edu/blogs/UCIPMurbanpests//blogfiles/40702small.jpg)
[From the December 2016 issue of the UC IPM Green Bulletin] A new plant pathogen in the genus...
Invasive Pest Spotlight: Ambrosia Beetles
![Male (left) and female walnut twig beetles. [L. Strand] Male (left) and female walnut twig beetles. [L. Strand]](http://ucanr.edu/blogs/UCIPMurbanpests//blogfiles/34720small.jpg)
Today's post for National Invasive Species Week highlights two ambrosia beetles that are...