'Directions for Collecting and Preserving Insects' is a comprehensive guidebook by Charles V. Riley that teaches readers how to collect and preserve insects of all kinds. From general considerations to specific techniques for collecting Hymenoptera, Coleoptera, Lepidoptera, Hemiptera, and more, this book offers detailed instructions for catching insects in a variety of settings. It also provides guidance on the best ways to kill and preserve specimens, including using alcohol, chloroform, and cyanide of potassium. With helpful tips on preparing and mounting specimens for display, this book is an essential resource for amateur and professional entomologists alike.