Donna Ellis, senior Extension educator in the Dept. of Plant Science & Landscape Architecture at the University of Connecticut, is retiring today. She’s been there since 1990 — that’s a long career! Donna is diligent and super efficient, and it’s amazing how much she’s accomplished with such grace and good humor. An unsurpassed planner and a delightful person, here are some of her contributions: She was coordinator of UConn’s Integrated Pest Management (IPM) program and taught a course on agricultural and horticultural plant pests. She initiated a Beetle Farmer Program to train volunteers to raise beneficial insects as biological control agents for the invasive plant purple loosestrife (Lythrum salicaria), and collaborated…