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 1833,
cell body μm long, μm wide, L/W=,
x 640, Tonbo-no-numa (Dragonfly pond, Takada-seki), Takadani, Isumi city, Chiba Pref., Japan, December 16, 2007 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Euglena deses Ehrenberg 1833,
cell body 155 μm long, 11 μm wide, L/W=14.1,
x 640, Tonbo-no-numa (Dragonfly pond, Takada-seki), Takadani, Isumi city, Chiba Pref., Japan, December 16, 2007 by Y. Tsukii
50 μm
100 μm
150 μm; x 400 :
31 μm
63 μm
94 μm; x 640
Images of collecting locality:
Tonbo-no-numa (Dragonfly pond, Takada-seki), Takadani, Isumi city, Chiba Pref., Japan, December 16, 2007 by Y. Tsukii
Please click on images for viewing enlarged.
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