1. Order Plecoptera (Stoneflies)
CHAPTER 27
Order Plecoptera (Stoneflies)
(Revised with extensive contributions from
Ed DeWalt, Illinois Natural History Survey)
Introduction to Insect Biology and Diversity, 3/e
James B. Whitfield / Alexander H. Purcell III Copyright © 2012 by Oxford University Press, Inc.

2. Adult Plecoptera often rest on vegetation or rocks next to the streams in which their aquatic nymphs develop.
Introduction to Insect Biology and Diversity, 3/e
James B. Whitfield / Alexander H. Purcell III Copyright © 2012 by Oxford University Press, Inc.

3. Figure 27.1 Taxonomic characters of stonefly nymphs (left to right): a, d, labia; b, e, mandibles; c, f, maxillae. a–c, Nemouridae (Amphinemura sp.); d–f, Perlidae (Perlinella drymo).
Introduction to Insect Biology and Diversity, 3/e
James B. Whitfield / Alexander H. Purcell III Copyright © 2012 by Oxford University Press, Inc.

4. Figure 27.2 Wings of stoneflies: a, Pteronarcyidae (Pteronarcys proteus); b, Peltoperlidae (Tallaperla maria); c, Perlodidae (Isoperla bilineata); d, Chloroperlidae (Utaperla sopladora).
Introduction to Insect Biology and Diversity, 3/e
James B. Whitfield / Alexander H. Purcell III Copyright © 2012 by Oxford University Press, Inc.

5. Figure 27.3 Representative adult and nymphal stoneflies: a, adult of Clioperla clio (Perlodidae); b, naiad of Hesperoperla pacifica (Perlidae).
Introduction to Insect Biology and Diversity, 3/e
James B. Whitfield / Alexander H. Purcell III Copyright © 2012 by Oxford University Press, Inc.