EGG SAC STRUCTURE OF ZYGIELLA X-NOTATA (ARACHNIDA, ARANEIDAE)

T. Gheysens; L. Beladjal; K. Gellynck; E. Van Nimmen; L. Van Langenhove; J. Mertens

doi:10.1636/CS05-12.1

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T. Gheysens,¹ L. Beladjal,¹ K. Gellynck,² E. Van Nimmen,² L. Van Langenhove,² J. Mertens¹

¹Ghent University, Department of Biology, Terrestrial Ecology, K.L. Ledeganckstraat 35, B-9000 Gent, Belgium. ; Tom.Gheysens@UGent.be
²Ghent University, Department of Textiles, Technologiepark 9, B-9052 Zwijnaarde, Belgium

Abstract

A detailed examination of the egg sac of Zygiella x-notata (Clerck 1757) revealed its structure, composition and different fibers. All egg sacs were composed of a basic layer, an insulation layer and an outer layer. The insulation layer consisted of two layers of cylindrical (or tubuliform) fibers with different diameters and probably with different mechanical properties. Knowing the complete structure of the egg sac allows us to locate and extract the needed fibers for further research and to observe how the egg sac composition alters in relation to the habitat.

Citation Download Citation

T. Gheysens, L. Beladjal, K. Gellynck, E. Van Nimmen, L. Van Langenhove, and J. Mertens "EGG SAC STRUCTURE OF ZYGIELLAX-NOTATA (ARACHNIDA, ARANEIDAE)," The Journal of Arachnology 33(2), 549-557, (1 August 2005). https://doi.org/10.1636/CS05-12.1

Received: 12 January 2005; Published: 1 August 2005

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