This book illustrates 50 species of terrestrial arthropods from California. Insects are the most diverse group and are well represented in this book. With species of a dragonfly, grasshopper, mantis, ten species of bugs, snakefly, moth, four species of flies, five species of bees and wasps, and six species of beetles.
For each illustration there is information on size, habitat, seasonality, life cycle, diet, and distribution.