Title: Common nymphs of eastern North America
Description: "A guide for identifying and imitating nymphs, with a focus on flyfishing. Also provides information useful to students, stream conservationists, and scientists concerned with monitoring the health of stream ecosystems"--Provided by publisher.
Subjects: Artificial Flies, Identification, Fly tying, Nymphs (Insects), Flies, artificial, East (u.s.), Insects, canada, Insects, north america
Places: Eastern Canada, East (U.S.)