Species Details

Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum Read more about this collection »

SeasonalityThis species has been collected in May, June and August. IdentificationMember of the quadrimaculatus group, clypeus with two blunt median teeth. Pale yellowish brown, more or less piceous ventrally, elytra about middle with a transverse dark cloud (slightly metallic) which usually extends along the suture from base to apex; shoulder region and apex always pale; prothorax often with a similar cloud on dis; antennae entirely yellow. Elytron with 3 dorsal punctures adjacent to 3rd stria, anterior puncture large; 1 subhumeral fovea; and 2 preapical punctures. Length 3.3-4.0 mm.

Scientific Name Dyschirius quadrimaculatus Habitat On steep river banks of sand-mixed clay lacking vegetation. Seasonality This species has been collected in May, June and August. Identification
Member of the quadrimaculatus group, clypeus with two blunt median teeth. Pale yellowish brown, more or less piceous ventrally, elytra about middle with a transverse dark cloud (slightly metallic) which usually…
Member of the quadrimaculatus group, clypeus with two blunt median teeth. Pale yellowish brown, more or less piceous ventrally, elytra about middle with a transverse dark cloud (slightly metallic) which usually extends along the suture from base to apex; shoulder region and apex always pale; prothorax often with a similar cloud on dis; antennae entirely yellow. Elytron with 3 dorsal punctures adjacent to 3rd stria, anterior puncture large; 1 subhumeral fovea; and 2 preapical punctures. Length 3.3-4.0 mm.
Life History No information available. Conservation Moderately rare. Diet Info Both larvae and adults are predatory. Range This species is found on the northern central plains of United States, and on the prairie region of Canada. In Alberta this species is known from the southern third, and one locality near Flatbush, north of Edmonton.

Citation

Page Citation for Dyschirius quadrimaculatus

Page Citation

"Species Details - Dyschirius quadrimaculatus, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-2523. Accessed 28 Mar. 2024.

Authorship

Name Lindroth, Carl H.
Role species page author
Date 1961

References

Specimen Information

There are 21 specimens of this Species.

21 results plotted on map in 7 markers.
Note: Only records with latitude and longitude coordinates are plotted on map.

UASM35440 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Sandy Point Collected Byvan Nidek, C. B. Date Collected1981-08-03/1981-08-09

UASM35441 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Sandy Point Collected Byvan Nidek, C. B. Date Collected1981-08-03/1981-08-09

UASM35442 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Sandy Point Collected Byvan Nidek, C. B. Date Collected1981-08-03/1981-08-09

UASM35443 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Sandy Point Collected Byvan Nidek, C. B. Date Collected1981-08-03/1981-08-09

UASM35444 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Sandy Point Collected Byvan Nidek, C. B. Date Collected1981-08-03/1981-08-09

UASM35445 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Sandy Point Collected Byvan Nidek, C. B. Date Collected1981-08-03/1981-08-09

UASM35446 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Sandy Point Collected Byvan Nidek, C. B. Date Collected1981-08-03/1981-08-09

UASM35447 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Sandy Point Collected Byvan Nidek, C. B. Date Collected1981-08-03/1981-08-09

UASM35448 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, South Saskatchewan River Collected Byvan Nidek, C. B. Date Collected1980-06-25/1980-06-30

UASM35449 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, South Saskatchewan River Collected Byvan Nidek, C. B. Date Collected1980-06-25/1980-06-30

UASM35450 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Pembina River Collected ByBall, G. E. Date Collected1957-06-06

UASM35451 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Magrath Collected ByBall, G. E. Date Collected1955-06-10

UASM35452 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Milk River Collected ByBall, G. E.; Freitag, R. Date Collected1962-06-01

UASM35453 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Milk River Collected ByBall, G. E.; Freitag, R. Date Collected1962-06-01

UASM35454 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Milk River Collected ByBall, G. E.; Freitag, R. Date Collected1962-06-01

UASM35455 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Milk River Collected ByBall, G. E.; Freitag, R. Date Collected1962-06-01

UASM35456 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Milk River Collected ByBall, G. E.; Freitag, R. Date Collected1962-06-01

UASM35457 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Milk River Collected ByBall, G. E.; Freitag, R. Date Collected1962-06-01

UASM35458 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Milk River Collected ByBall, G. E.; Freitag, R. Date Collected1962-06-01

UASM35459 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Empress Collected ByRoughley, R. E. Date Collected1975-05-17

UASM35460 - Dyschirius quadrimaculatus

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Empress Collected ByRoughley, R. E. Date Collected1975-05-17

Adult Seasonal Distribution