Euglenophyceae:
Euglenales
Mastigophora: Euglenida
Euglena deses
Ehrenberg 1833
Species: 85-170 μm long,
10-20 μm wide;
highly plastic; stigma distinct; chloroplasts discoid with pyrenoid;
several small rod-shaped paramylon (paramylum) bodies (Kudo, 1966).
Body flattened, twisted, with longitudinal chloroplasts; flagellum less than 1/4 body length
(How to know the protozoa, 1979).
Cell body cylindrical, 90-165 μm long, 9-18μm wide,
posterior slightly pointed; chloroplast large disc-shaped, parietal, 30-50 in number,
a pyrenoid without paramylon sheath located at the center;
a flagellum 1/3 to 1/2 of the body length; nucleus ellipsoidal 14-20 x 8-12 μm;
stigma 5-7 μm; paramylon bodies ellipsoidal or rod-shaped
(An Illustrated Guide to Freshwater Zooplankton in Japan, 2000).
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Similar species ->> E. ehrenbergii
Euglena deses Ehrenberg,
cell body 150 μm long, 10 μm wide,
x 400, x 640, Hazama marsh, Tomita, Ashikaga city, Tochigi Pref., Japan, April 22, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Euglena deses Ehrenberg,
cell body 166 μm long, 20 μm wide (slightly flattened by pressing with coverglass ?),
x 640, Hazama marsh, Tomita, Ashikaga city, Tochigi Pref., Japan, April 22, 2006 by Y. Tsukii
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Hazama marsh, Tomita, Ashikaga city, Tochigi Pref., Japan, April 22, 2006 by Y. Tsukii
Please click on images for viewing enlarged.
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