New Virgulid Cercaria (Trematoda, Lecithodendroidea) from Freshwater Mollusk Melanopsis praemorsa (Melanopsidae) from Azerbaijan Water Bodies. Morphology and Chaetotaxy of Cercaria agstaphensis 31

Manafov A. A.

DOI: https://doi.org/10.2478/v10058-012-0001-5

Abstract

An illustrated morphological description with chaetotaxy and differential diagnosis of a new virgulid cercaria – Cercaria agstaphensis 31 from the freshwater prosobranchial mollusk Melanopsis praemorsa (Linnaeus, 1758) are given. Special attention is paid to the arming of the tegument, structure of the glandular apparatus, excretory system, digestive system, structure of the sensory apparatus and other larval morphological characters.

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