Dyschirius (Dyschiriodes) curvispinus
Geographic: NEA
Distribution: Native, New World. USA – CT, ME, MS, TX.
Common name: Curved-spine Discolored Beetle
Synonym: Dyschirius curvispinus Putzeys, 1846:561
Macrohabitat: Lowlands, sea level – 59 meters altitude, on banks of rivers and
brooks, shores of lakes and ponds (in dunes), and margins of bogs and salt marshes. Microhabitat:
Adults are ground-dwelling on exposed or shaded, slightly moist, sandy substrate
(rarely at saline places) with sparse vegetation. Dispersal abilities: Macropterous, capable
of flight; slow runner and strong burrowers. Seasonal occurrence: Adults have been found
in May – September; teneral adults in mid-May (TX); probably a spring breeder. Behavior:
Adults are nocturnal, predaceous, and take cover during the day in burrows they dig into the substrate. Adults are attracted to UV lights. Populations of this species are associated with
staphylinids (Bledius ssp.). Adults overwinter in the substrate.