That according to Natalie Hernandez, who does specialize in aphids. And she wrote in an email to lomann, quote, if a colony gets too large or too dense, it will produce winged morphs to disperse, end quote. The wildfires in Canada and extreme temperatures, quote, could be messing with them, too, she added. That theory sounded plausible to Andy Jensen, another aphid researcher. He said, quote, the smoke might be allowing aphids to remain abundant longer into the summer than normal