SURFACE ULTRASTRUCTURE OF LABIAL AND MAXILLARY CUSPULES IN EIGHT SPECIES OF THERAPHOSIDAE (ARANEAE)

Fernando Pérez-Miles; Laura Montes de Oca

doi:10.1636/S02-30

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Fernando Pérez-Miles,¹ Laura Montes de Oca¹

¹Sección Entomología, Facultad de Ciencias, Iguá 4225, 11400 Montevideo, Uruguay. myga@fcien.edu.uy

Abstract

Surface ultrastructure of labial and maxillary cuspules was studied in eight species of seven different genera of Theraphosidae. Cuspule ornamentation was observed through SEM images and comparisons were made among labial and maxillary cuspules of different species and different zones of each cuspule. Ornamentation patterns were different on the anterior face of the cuspule with respect to the posterior face. A significant correlation analysis between cuspule size and body size was found. The systematic use and the probable functions of the cuspules are discussed.

Citation Download Citation

Fernando Pérez-Miles and Laura Montes de Oca "SURFACE ULTRASTRUCTURE OF LABIAL AND MAXILLARY CUSPULES IN EIGHT SPECIES OF THERAPHOSIDAE (ARANEAE)," The Journal of Arachnology 33(1), 43-49, (1 April 2005). https://doi.org/10.1636/S02-30

Received: 3 June 2002; Published: 1 April 2005

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