Agrenia riparia Fjellberg 1986

Agrenia riparia Fjellberg, 1986 Agrenia riparia is a widely distributed northern species, with records from Norway, Sweden, central Alaska (Fairbanks), northwestern Siberia (S Taimyr: Putorana) (Babenko, 2002), and northeastern Siberia (Magadan). In Scandinavia it tends to replace A. bidenticulata a...

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Bibliographic Details
Main Authors: Fjellberg, Arne, Bernard, Ernest C.
Format: Other/Unknown Material
Language:unknown
Published: 2009
Subjects:
Biodiversity
Taxonomy
Animalia
Arthropoda
Entognatha
Collembola
Isotomidae
Agrenia
Agrenia riparia
Arctic
Fairbanks
Norway
Seta
Magadan
Taimyr
Tundra
Alaska
Siberia
Online Access:https://zenodo.org/record/6222706
https://doi.org/10.5281/zenodo.6222706
Description
Summary:Agrenia riparia Fjellberg, 1986 Agrenia riparia is a widely distributed northern species, with records from Norway, Sweden, central Alaska (Fairbanks), northwestern Siberia (S Taimyr: Putorana) (Babenko, 2002), and northeastern Siberia (Magadan). In Scandinavia it tends to replace A. bidenticulata as a stream bank species in the forested regions, whereas A. bidenticulata is more common in arctic and alpine tundra. In the zone of overlap the two species can be separated by the mucronal seta (present in A. bidenticulata, absent in A. riparia). In winter animals the mucro and claws are shortened. Reproductive males have shorter and finer setae on Abd. IV–VI than nonreproductive males. Published as part of Fjellberg, Arne & Bernard, Ernest C., 2009, Review of Agrenia Börner, 1906 with descriptions of four new species from North America (Collembola, Isotomidae), pp. 17-28 in Zootaxa 2306 on page 20, DOI:10.5281/zenodo.275389

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