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International Advances in the Ecology, Zoogeography, and Systematics of Mayflies and Stoneflies$
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F. R.Hauer and Anthony Welch

Print publication date: 2008

Print ISBN-13: 9780520098688

Published to California Scholarship Online: March 2012

DOI: 10.1525/california/9780520098688.001.0001

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PRINTED FROM CALIFORNIA SCHOLARSHIP ONLINE (www.california.universitypressscholarship.com). (c) Copyright University of California Press, 2022. All Rights Reserved. An individual user may print out a PDF of a single chapter of a monograph in CALSO for personal use.date: 06 July 2022

Stonefly Eggs in the Sandy Shore and the Ecological Importance of an Ovoid Egg in a Mountain Stream

Stonefly Eggs in the Sandy Shore and the Ecological Importance of an Ovoid Egg in a Mountain Stream

Chapter:
(p.51) Stonefly Eggs in the Sandy Shore and the Ecological Importance of an Ovoid Egg in a Mountain Stream
Source:
International Advances in the Ecology, Zoogeography, and Systematics of Mayflies and Stoneflies
Author(s):

Yu Isobe

Mayumi Yoshimura

Tadashi Oishi

Publisher:
University of California Press
DOI:10.1525/california/9780520098688.003.0004

This chapter studies the eggs of stoneflies in sandy shores and evaluates the ecological importance of an ovoid egg located in a mountain stream. It explains that most of the eggs of Perloidea have highly developed structures for attachment to the substrate, but that there are ovoid eggs without these attachment structures among some species. Eggs without attachment structures are found mostly in sand at the water edge of currents near the riffle habitats. The chapter investigates the oviposition site, egg-settling sites, and the behavior and timing of female oviposition in the family group Perloidea in order to clarify the ecological significance of the egg shape in Perloidea.

Keywords:   stoneflies, eggs, sandy shores, ovoid egg, mountain stream, Perloidea, attachment structures, riffle habitats, oviposition site, egg-settling sites

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