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Species Page - Patrobus stygicus
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scientific name    Patrobus stygicus    

habitat
Borders of standing and slow running water, on soil often peaty and dense vegetation present.

seasonality
Adults of this species have been collected from May to September.

identification
Similar to fossifrons, differing in the following points: more slender, especially prothorax; tibiae usually darker, at least in outer half; prothorax with longer, almost parallel-sided constriction at base, anterior transverse impression, often entirely diappeared, impunctate; and elytral microsculpture clearly transverse. Elytral microsculpture transverse. Length 8.3-12 mm.

life history
Overwinters in the both larval (predominant) and adult stages.

conservation
Common.

diet info
Both larvae and adults are predatory.

range
This species is found in Alaska and Wyoming, and northeastern Unites States, and most of Canada. In Alberta this species is found throughout the province.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=2572



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References (2)
Specimen Info
There are 803 specimens of this species in the online database
Map Distribution
Adult Seasonal Distributioncreate a collection histogram with specimens
Specimen List (803)

 

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