The Antennal Sensilla of the Nymph of <i>Ephemera Danica</i>

Manuela Rebora and Elda Gaino

in International Advances in the Ecology, Zoogeography, and Systematics of Mayflies and Stoneflies

Published by University of California Press

Published in print June 2008 | ISBN: 9780520098688
Published online March 2012 | e-ISBN: 9780520943803 | DOI:
The Antennal Sensilla of the Nymph of Ephemera Danica

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This chapter discusses the results of the first ultrastructural investigation of the sensilla of mayfly Ephemera danica using Scanning and Transmission Electron Microscopy (SEM, TEM). The findings reveal that the flagellar sensilla are mainly located on the dorsal side of the flagellum, and are represented by long trichoid sensilla and shorter basiconic sensilla. The results also suggest that the long trichoid sensilla serve as mechanoreceptors, while the shorter basiconic senilla perform a chemo-mechanical function. The chapter also discusses the presence of these sensilla in relation to the behavioral ecology of this burrowing insect.

Keywords: sensilla; Ephemera danica; SEM; TEM; flagellum; mechanoreceptors; chemo-mechanical function; behavioral ecology

Chapter.  2085 words.  Illustrated.

Subjects: Zoology and Animal Sciences

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