The bumbleebees are buzzin' in the wisteria blossoms, and all kinds of bugs are biting me around my eyes, behind my ears and in the middle of my back where I can swat or scratch. It got so bad that in the heat of the day yesterday, I retired to the house for iced tea and a dip into Insectopedia by Hugh Raffles (Knopf $29.95). I was entranced the first time I picked up this book and began…