Checklist of - Entomological Society of Canada

Trachvoachidae
Suborder Adephaga
Family RIIYSODIDAE wrinkled bark beetles
Y. Bousquet
The family Rhysodidae includes only two and larvae live under the bark of dead trees and in
species in Canada. The adults are cylindrical, elon- rotting wood.
gate beetles resembling in habitus some species of Bell (1970) revised the North American species.
the families Colydiidae or Cucujidae. Both adults eC (1);ON (1)
Genus OMOGLYMMIUS Ganglbauer
Key to species: Bell and Bell (1982)
(Subgenus BOREOGLYMMIUS Bell & Bell)
O. americanus (Castelnau) - ON
orolas (Newman)
e ra r at u s (Audinet-Serville)
Genus CLINIDIUM Kirby
Key to North American species: Bell and Bell (1975)
(Subgenus ARCTOCLINIDIUM Bell)
C. calcaratum LeConte - BC
Family TRAC IIYPAC HIDAE
Y. Bousquet
This family includes two genera: Trachypachus, decades, however, some authors have highlighted
which has three species in western North America many character states that suggest that
and one species in Eurasia, and Systolosorno Solier, Trachypachus and Sysfolosoma are more closely
which has two species in Chile. Members of related to Hydradephaga than to Carabidae (see
Trachypachus are usually found on dry, more or Kavanaugh (1986) for a different point of view).
Iess shaded soil, often under dead leaves. Nothing Lindroth (1961) has redescribed the two species
is known about their feeding habits.
that inhabit Canada.
This group has been included within the
Carabidae for a long time. During the last two aK (1);YK (1); NT (1); BC (2); aB (1); SK (1)
Genus TRACHYPACHUS Motschulsky
T. holmbergi Mannerheim
inermis Motschulsky
oregonus Casey
specularis Casey
T. gibbsii LeConte
alticola Casey
c alifor nicu s Motschulsky
AK YK .\T BC AB SK
_BC