How to know the butterflies
illustrated key for determining to species all butterflies found in North America, north of Mexico, with notes on their distribution, habits, and larval food, and suggestions for collecting and studying them
Edición de la obra How to know the butterflies
| Autor | Paul R. Ehrlich |
|---|---|
| Editorial | W. C. Brown |
| Fecha de publicación | 1961 |
| Lugar | Dubuque, Iowa |
| Páginas | 262 |
| Serie | Pictured key nature series |
| Número de Cutter | E33h |