Order Trichoptera

Ralph W. Holzenthal, Robin E. Thomson, Blanca Ríos-Touma

Research output: Chapter in Book/Report/Conference proceedingChapter

20 Scopus citations

Abstract

Trichoptera, or caddisflies, are an order of aquatic insects occurring around the world in rivers, streams, and lakes. About 15,000 species are known. The aquatic larvae use silk to construct cases in which they reside or to spin silken nets to capture food suspended in the water column. The adults, with the body and wings covered with fine hairs, are crepuscular and resemble small moths. Larvae are important components of aquatic food webs. Most are intolerant of pollution and serve as biological indicators of water quality. This chapter provides an overview of the geographical, morphological, and ecological diversity of caddisflies. Aquatic respiration, osmoregulation, diapause, and other physiological adaptations are reviewed. The literature on general aspects of life history, ecology and behavior, such as adult emergence, mating behavior, egg laying, predation, construction behavior, food and feeding, drift, and production is reviewed. The effect of climate change and other human impacts on the diversity and distribution of caddisflies is discussed. Finally, methods for collecting, preparing, and observing immature stages and adults for scientific study are presented.

Original languageEnglish (US)
Title of host publicationThorp and Covich's Freshwater Invertebrates
Subtitle of host publicationEcology and General Biology: Fourth Edition
PublisherElsevier Inc.
Pages965-1002
Number of pages38
Volume1
ISBN (Electronic)9780123850270
ISBN (Print)9780123850263
DOIs
StatePublished - 2015

Bibliographical note

Publisher Copyright:
© 2015 Elsevier Inc. All rights reserved.

Copyright:
Copyright 2020 Elsevier B.V., All rights reserved.

Keywords

  • Aquatic insect
  • Biodiversity
  • Biological indicator
  • Caddisfly
  • Case
  • Life history
  • Trichoptera

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