Dyschirius (Dyschiriodes) alticola
Geographic: NEA
Distribution: Native, New World. Canada – BC; USA – CA, WY.
Common name: Upland Discolored Beetle
Synonym: Dyschirius alticola Lindroth, 1961:152
Macrohabitat: Midlands to mountains, 1494 – 2583 meters altitude, on pond
margin in subalpine meadow located at edge of thin mixed forest. Microhabitat: Adults are
ground-dwelling on exposed wet or moist mud or fine sand with almost no vegetation and
somewhat shaded by Alder shrubs (Alnus sp.); in spots among carpets of tiny moss, Ceratodon
purpureus (Hedw.) Brid. Dispersal abilities: Macropterous, probably capable of flight; slow
runners; strong burrowers. Seasonal occurrence: Adults have been found in May – August;
teneral adults in early July. Behavior: Adults are nocturnal, predaceous, and take cover during
the day in burrows they dig in the substrate and under stones. They are associated with adults
of Bembidion dyschirinum and Notiophilus simulator. Adults overwinter in the substrate.