Description: Featuring over 900 color illustrations, Butterflies of Pennsylvania is the most comprehensive, user-friendly field guide to date of all of the species of butterflies and skippers ever recorded in Pennsylvania. Information on distinguishing marks, traits, wingspan, habitat, larval host plants, and handy facts offer assistance for field identification. County-by-county maps show where each species has been recorded, and graphs detail when they are present and most likely to be seen.
Review Quotes: This work has all of the features that make field guides to a region's butterfly fauna useful to anyone with a serious interest in that fauna. . . . the book is a bargain and a must for anyone with an interest not just in Pennsylvania's fauna, but the northeast fauna as a whole.-- "News of the Lepidopterists' Society"