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Litostomatea: Haptoria: Pharyngophorida: Tracheliidae

Dileptus
Dujardin, 1841 (1840 ?)

Family: Apical cytostome eccentric, oral dikinetids along extended flailing anterior end ("proboscis"); toxicysts on ventrum of proboscis.
Genus: Body long, rear usually pointed (Illustrated Guide, 1985). Elogate; snout or neck-like prolongation (proboscis) conspicuous; contractile vacuoles two or more (Kudo, 1966). Contractile vacuoles usually lie in a row along the dorsal surface (Carey, 1992).
->> Description at WPRNO Google Image Search
Proboscis longer than half of the body length
Dileptus cygnus
D. cygnus
600 μm
Japan, 1998
Dileptus cygnus
D. cygnus
680 x 50 μm
Muneoka
Shiki
Saitama, 2004
Dileptus cygnus
D. cygnus
560 x 45 μm
Seseragi marsh
Shiga highland
Nagano, 2004
Dileptus cygnus
D. cygnus
680 x 48 μm
Imori pond
Myoko highland
Niigata, 2004
Dileptus amphileptoides
D. amphileptoides ?
950 μm
Saitama, 1999
Dileptus amphileptoides
D. amphileptoides ?
420 x 50 μm
Tane-ike
Togakushi highland
Nagano, 2006
Dileptus amphileptoides
D. amphileptoides ?
985 μm, x 100
Akigase Park
Saitama, 2002
Dileptus
D. amphileptoides ?
μm, x 100
Sakado
Saitama, 2003
Proboscis shorter (1/2 - 1/3) than half of the body length
Dileptus
Dileptus sp.
1400 μm
Prob. 1/3
tail present
Saitama, 1999
Dileptus
D. anser
445 μm, x 200
Prob. 1/3
tail present
Fukushima, 1999
Dileptus
D. anser
275 μm, x 200
Prob. 1/3
tail present
Japan, 1997
Dileptus
D. anser ?
181 μm, x 400
Prob. 1/3 ?
Gunma, 2001
Dileptus anser
D. anser ?
μm
Ishibashi
Tochigi, 2004
Dileptus
D. anser
230 x 44 μm
250 x 30 μm
near Town Hall
Shobu
Saitama, 2004
Dileptus
D. anser
?? x 30 μm
Yukawa-numa
Nishiwaga
Iwate, 2007
Dileptus
Dileptus sp. ?
μm
mac. sausage-shaped
Omine-numa
Tsukiyono
Gunma, 2003
Dileptus
D. anser ?
μm, x 400
Prob. 1/3 ?
Kazo
Saitama, 2003
Dileptus
D. monilatus ?
μm
Prob. 1/3
Koraku-en
Okayama, 2002
Dileptus
D. monilatus ?
775 μm, x 200
Prob. 1/3
tail absent
Saitama, 2001
Dileptus
D. monilatus ?
800 μm
Prob. 1/3
tail absent
Japan, 1998
Dileptus
Dileptus sp.
500 μm
Prob. 1/3
tail absent ??
Saitama, 1999
Dileptus
D. monilatus ?
589 μm
Prob. 1/3
tail absent
Uruguay, 1999
Dileptus
D. monilatus ?
800 x 70 μm
Akao
Sakado
Saitama, 2004
D. monilatus ?
cell μm
Japan, 1998
D. monilatus
cell μm
Japan, 1998
D. monilatus
cell μm
Japan, 1998
D. monilatus
cell μm
Japan, 1998
D. monilatus
cell μm
Japan, 1998
Dileptus monilatus
D. monilatus
460 x 52 μm
Prob.
Jionji-shinsui p.
Iwatsuki-ku
Saitama, 2006
Dileptus
Dileptus sp.
480 μm
Prob. 2/5
tail absent ??
Yoshii-machi
Saitama, 2001
Dileptus
Dileptus sp.
238 μm
Prob. 2/5
tail absent
Japan, 1998
Dileptus
Dileptus sp.
300 μm
Prob. 2/5
tail absent ??
Saitama, 1999
Dileptus
Dileptus sp.
2 mac.?
190, 210 x μm
Onnenai
Kushiro marsh
Hokkaido, 2005
Dileptus
Dileptus sp.
2 mac.?
300 x 23 μm
Igashira park
Mooka
Tochigi, 2006
Proboscis shorter (less than 1/3) than half of the body length
Dileptus
Dileptus
800 μm, x 100
Inari Park
Toyama, 2002
Dileptus
Dileptus
760 μm, x 100
Kiyose
Tokyo, 2001
Dileptus
Dileptus
665 μm, x 200
Saitama, 1999
Dileptus
Dileptus
475 μm, x 200
Kagoshima, 2001
Dileptus
Dileptus
560 μm, x 100
Daidarabotchi-ike
Iizuna-kogen
Nagano, 2003
Dileptus
Dileptus
400 μm, x 200
Namegawa
Saitama, 2003
Dileptus
D. aculeatus
4 mac.
275 μm
Shirakawa
Fukushima, 1999
Dileptus
D. aculeatus
4 mac.
270 x 27 μm
Futayo-no-ike
Haguro mountain
Yamagata, 2006
Dileptus aculeatus
D. aculeatus
4 mac.
μm
Omine-numa
Minakami
Gunma, 2007
Dileptus
D. gabonensis
2 mac.
238 μm
Fukushima, 1999
Trachelophyllum
D. gabonensis ?
2 mac.
Sugata river
Mibu
Tochigi, 2008
Dileptus sp.
cell μm
Japan, 1998
Dileptus sp.
pb. truncated
Japan, 1998

Similar Genus ->> Trachelius; Paradileptus;


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Dileptus
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