ARTICLE BY: SUSAN MASTA Susan Masta is a biology professor at Portland State University, and also curates the insect collection at PSU’s Natural History Museum. Her garden is very much a part of her teaching, as she integrates her observations in her garden into her courses and public outreach efforts. *** It’s 6 pm and still a sweltering 97 degrees F outside. Time to get out of the house shuttered against the heat and take a stroll through the shaded part of the garden. Stepping outside I can see the catmint, Nepeta ‘Walkers Low,’ is abuzz with Vosnesensky bumble bees. These…