[From the May 2017 issue of the UC IPM Green Bulletin]
The bronze bug (Thaumastocoris peregrinus) (Fig. 1), a serious and potentially damaging, sap-sucking insect pest of eucalypts, has very recently been detected in southern California. This pest is reported to destroy extensive areas of leaf tissue, often giving it a bronze tint, turning it yellow, red, and then brown to tan. Damage from the bronze bug eventually leads to leaf loss, canopy thinning, branch die back, and even tree death. A wide host range and its ability to survive in a variety of.../span>
[From the August 2016 issue of the UC IPM Green Bulletin]
A new psyllid pest that causes a distinctive, tight, typically complete rolling of leaves (Figure 1), has been found on Ficus microcarpa (Chinese banyan, Indian laurel fig) in Los Angeles, Orange, San Bernardino, Ventura, San Diego, and Riverside counties. This species of Ficus is one of our most common, useful, and widespread ornamental landscape trees. Incidentally, it has also long been a target for numerous exotic pests.
The psyllid, identified as Trioza.../span>
[From the December 2014 issue of the UC IPM Green Bulletin]
Victorian box (Pittosporum undulatum) is an evergreen tree native to Australia that grows moderately fast to about 50 feet high and wide. It was much planted as an ornamental landscape subject in the first half of the 20th century in coastal central and southern California, especially from Santa Barbara to San Diego, where it was used as a lawn or street tree, background, screen, or informal hedge, and prized for its dense canopy, attractive and glossy green foliage, fragrant white flowers,.../span>