Great video by Southwest Yard & Garden. tutorial on how to identify garden pests on your plants & shrubs. Went into detail on the Salvia plants - always be careful spittle bugs, they produce spittle commonly on Salvia plants. Whiteflies and aphids are known to take residence in Ash trees. Aphids commonly take on the look of mildew. Ways to manage moths for apples, you can use insecticide spray but be conservative. Took a look at signs of Cochineal Scale on a Prickly Pear. Went over ways to take off Cochineal Scale. This video notes that Natives once used Cochineal Scale as a source of red dye.