California agriculture officials are scrambling to contain a potentially devastating invasive insect outbreak after dangerous pests were discovered on plants sold at Costco stores across Northern ...

Add Yahoo as a preferred source to see more of our stories on Google. A glassy–winged sharpshooter rests on a leaf in Santa Paula. (Los Angeles Times) Costco has issued a warning to customers who ...

California has an enormous diversity of habitats (coast, mountains, deserts, and everything in between), so to sample all of the species, or at least as many as humanly possible, within the project’s ...

Costco has issued a warning to customers who purchased a certain flowering tree from its stores that it may be infested with an invasive insect that state officials say can “cause major damage to the ...