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Species:
Aspelta aper (Harring, 1913)
Valid Name:
There is no data to display.
Parent taxa:             Genus / Family / Order / Superorder / Subclass / Class
Aspelta: Dicranophoridae: Ploima: Pseudotrocha: Monogononta: Eurotatoria
Taxonomic / nomenclatural notes:
• ?not Aspelta aper (Harring) after ?Wulfert (1961) [Ref.17667] [=A. tilba Koste & Shiel?], Koste & Terlutter (2001) [Ref.15725] [=A. tilba Koste & Shiel].
• As De Smet (1997:102) [Ref.17163] points out "The trophi figured by Wulfert (1961) differ from the original description by their weak asymmetry, the left ramus with single lamella and small alula, and the simple, single-toothed right uncus". Koste & Terlutter's (op. cit.) record of A. aper from N-Germany is erroneously illustrated by the figure that was used in the original description of Aspelta tilba Koste & Shiel from Tasmania (Koste, W;R J Shiel (1987): Hydrobiologia, 147).
• Type designated by Harring (1913) [Ref.17236], but can not be found in the USNM collection (CDJ, Oct.2001).
Nomenclatural status:
name in current use
Species group name declinable:
no
Validity:
valid
Taxon Rank:
Species
Availability:
available
Original Combination:
Encentrum aper
Original Spelling:
Encentrum aper
Latest Revision:
De Smet, W H (1997): Guides to the identification of the microinvertebrates of the continental waters of the world Vol. 5: 1-325, 341-344
Page last modified on: 20.03.2013 by C.D. Jersabek
Original description
 
Harring, H K (1913): Proceedings of the United States National Museum 46
p.394, pl.34, figs.7-10
Harring, H K (1913): Proceedings of the United States National Museum 46 p.394, pl.34, figs.7-10
Literature documentations
 
Harring, H K;F J Myers (1928): Transactions of the Wisconsin Academy of Sciences, Arts and Letters 23
p.785, pl.46, figs.3-5
Harring, H K;F J Myers (1928): Transactions of the Wisconsin Academy of Sciences, Arts and Letters 23 p.785, pl.46, figs.3-5
Displaying items 1 - 1 of 3
Observation images
 
Image courtesy of ANSP (Jersabek et al. 2003) [Ref.15798]; female (ventral view), and trophi (dorsal view)
 Image courtesy of ANSP (Jersabek et al. 2003) <a href='../../Reference/Index/15798' target='_blank'>[Ref.15798]</a>; female (ventral view), and trophi (dorsal view)
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Donner, J, 1978 Archiv für Hydrobiologie, Supplement52 
Harring, H K, 1913 Proceedings of the United States National Museum46Encentrum aper (Harring, 1913)
Harring, H K;F J Myers, 1928 Transactions of the Wisconsin Academy of Sciences, Arts and Letters23
Jersabek, C D;E Bolortsetseg, 2010 Proceedings of the Academy of Natural Sciences of Philadelphia159Aspelta aper (Harring, 1913)
Jersabek, C D;H Segers;B J Dingmann, 2003 The Academy of Natural Sciences of Philadelphia, Special Publications20Aspelta aper (Harring, 1913)
Wulfert, K, 1961 Archiv für Hydrobiologie58 
Displaying items 1 - 6 of 6
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IUILocality(sorted ascending)
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  - / Peat bog01.04.1939Collection / - / Specimen preparations2048
C
  - / Pond, freshwater01.01.1900Literature / - / Published Information2048
C
  - / Pond, freshwater21.09.1913Collection / - / Specimen preparations2048
C
  Macrophytes (Myriophyllum) / Pond, freshwater01.01.1900Literature / - / Published Information2048
C
  Macrophytes (Myriophyllum) / Pond, freshwater01.01.1900Literature / - / Published Information3202
L
  - / Lake, freshwater03.08.1938Collection, Literature / - / Specimen preparations including published info2048
C
  - / Lake, freshwater (dystrophic)01.01.1941Collection, Literature / - / Specimen preparations including published info2048
C
  Macrophytes (Hippuris dominant) / Stream, freshwater30.08.2006Expedition, Literature / - / Published Information260
L
  - / -01.01.1900Collection / - / Specimen preparations2048
C
Displaying items 1 - 9 of 9
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ANSP 0600 Aspelta aper (Harring, 1913)
Orig.Id.: Aspelta aper (Harring, 1913)
 female1 
ANSP 0372 Aspelta aper (Harring, 1913)
Orig.Id.: Aspelta aper (Harring, 1913)
 trophi1 
ANSP 0467 Aspelta aper (Harring, 1913)
Orig.Id.: Aspelta aper (Harring, 1913)
 female1 
ANSP 1060 Aspelta aper (Harring, 1913)
Orig.Id.: Aspelta aper (Harring, 1913)
 females2 
USNM 39708 Aspelta aper (Harring, 1913)
Orig.Id.: Aspelta aper (Harring, 1913)
 female1 
USNM 16517 Aspelta aper (Harring, 1913)
Orig.Id.: Encentrum aper Harring, 1913
 female ? holotype
NHM 13.1972.551 Aspelta aper (Harring, 1913)
Orig.Id.: Diglena aper Harring, 1913
 not available topotypic material
NHM 1917.1.1.982 Aspelta aper (Harring, 1913)
Orig.Id.: Encentrum aper Harring, 1913
 females2topotypic material
NHM 1935.4.27.104 Aspelta aper (Harring, 1913)
Orig.Id.: Encentrum aper Harring, 1913
 not available topotypic material
Displaying items 1 - 9 of 9
Geographical Range:
Presumed cosmopolite (not yet recorded from Afr, Ori).
Macrohabitat:
Lake, freshwater; Lake, freshwater (dystrophic); Peat bog; Pond, freshwater; Stream, freshwater;
Microhabitat:
Macrophytes (Hippuris dominant); Macrophytes (Myriophyllum);
Temperature:
12.80°C to 12.80°C, avg=12.80°C, n=1
Redox:
 
Oxygen:
5.80mg/l to 5.80mg/l, avg=5.80mg/l, n=1
Conductivity:
390.00µs/cm to 390.00µs/cm, avg=390.00µs/cm, n=1
Saturation:
59.90% to 59.90%, avg=59.90%, n=1
TDS:
188.00mg/l to 188.00mg/l, avg=188.00mg/l, n=1
PH:
4.20 to 6.40, avg=5.30, n=2
Salinity:
0.20ppt to 0.20ppt, avg=0.20ppt, n=1
Ecology summary:
Littoral habitats in freshwater lakes, ponds, streams, and rivers; periphytic, particularly among decaying macrophytes; also in peat bogs. Seems to prefer neutral to slightly acidic conditions, mostly in summer and fall (Jersabek & Bolortsetseg, 2010) [Ref.18457].
Food:
Carnivorous: microinvertebrates, including rotifers, particularly bdelloids.
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Australis- n.s. -- n.s. -- n.s. -- n.s. -- n.s. -
Nearctis- n.s. -- n.s. -- n.s. -- n.s. -- n.s. -
NearctisNA4 AlleghanyNorth AmericaUnited States of AmericaDistrict of ColumbiaDistrict of Columbia - n.o.s. -
NearctisNA4 AlleghanyNorth AmericaUnited States of AmericaDistrict of ColumbiaKenilworth District
NearctisNA4 AlleghanyNorth AmericaUnited States of AmericaNew JerseyAtlantic Co.
NearctisNA4 AlleghanyNorth AmericaUnited States of AmericaPennsylvaniaMonroe Co.
Neotropis- n.s. -- n.s. -- n.s. -- n.s. -- n.s. -
Palaearctis- n.s. -- n.s. -- n.s. -- n.s. -- n.s. -
PalaearctisP2 SiberianAsiaMongoliaUvsTes soum
Displaying items 1 - 9 of 9