Ootaxonomy and eggshell ultrastructure of Phlebotomus sandflies
- 1 July 1992
- journal article
- research article
- Published by Wiley in Medical and Veterinary Entomology
- Vol. 6 (3), 201-208
- https://doi.org/10.1111/j.1365-2915.1992.tb00607.x
Abstract
The eggshell structure of four sandfly species: Phlebotomus perniciosus Newstead, P.perfiliewi Parrot, P.papatasi Scopoli and P.duboscqi Neveu-Lemaire, was examined by scanning and transmission electron microscopy (SEM and TEM). At the TEM level, the eggshell appears to have a homogeneous vitelline envelope and a thick chorion. At SEM level, the eggshell of all species is characterized by the outer chorion forming a series of fifteen to twenty longitudinal sinuous ridges, cross-linked in places to form a pattern of polygons, each line of the chorion consisting of columns arranged in a palisade. The aeropyle region of the egg is described for the first time in phlebotomine sandflies. Specific characters of the eggshell topography are described for distinguishing between these and other species of Phlebotomus.Keywords
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