Trachelomonas from temporary ponds on Menorca Island

Abstract

A taxonomic study of the genus Trachelomonas (Euglenophyta) was undertaken in temporary ponds on Menorca Island, Spain, called “basses”. Among the 13 studied ponds, this genus was found in only one, called Verda B. A light and scanning electron microscope study of the samples taken from this body enabled the identification of 28 taxa, 26 of which were documented by SEM micrographs, including different views and details of the lorica. All the taxa described are reported as new for this region, while 18 are new for Spain. T. granulosa var. crenulatocollis, T. nigra, T. pseudofelix, and T. raciborskii var. nova f. minor are examined and photographed by SEM for the first time. T. duquei var. minor is proposed as a new variety.