By: Jeffrey Glassberg (Author)
416 pages, 3500 colour photos, colour distribution maps
This Swift Guide illustrates, with 3500 gorgeous full color photographs, all of the butterflies found in North America, including strays. For most species, both topsides and undersides, males and females, and variants are shown. Caterpillars and caterpillar foodplants are shown for many species.
Hundreds of new field marks allow easy identification of most species. The verbal descriptions are connected to the actual field marks by arrows, showing you exactly what to look for. Succinct field marks allow easy identification of most species. Detailed range maps include information about number of broods in each area and where strays have occured. Color boxes give caterpillar foodplants [green box], abundance and flight period [black], habitat [gray], comments [brown], and more. Includes a caterpillar foodplant index and a quick visual index.
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