Species Details

Trachypachus holmbergi

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

SeasonalityAdults have benn collected in April to June. IdentificationThis is the only species of Trachypachus found in Alberta. The antennae only have scattered stiff setae, lacking dense, depressed pubescence on the outer seven antennomeres. The metacoxae are extended laterally to meet the margins of elytra. Black or very dark piceous, tibiae usually brownish, upper surface shiny brass. Prothorax with three lateral setigerous punctures each side; anterior and posterior margins fringed with short setae. Elytra with varying number (3-12) of irregular rows of punctures, effacing at apex. Length 3.8 to 5.8 mm.

Scientific Name Trachypachus holmbergi Habitat A xerophilus species, on open or slightly shaded ground, usually moraine, with sparse vegetation. Seasonality Adults have benn collected in April to June. Identification
This is the only species of Trachypachus found in Alberta. The antennae only have scattered stiff setae, lacking dense, depressed pubescence on the outer seven antennomeres. The metacoxae are extended laterally to…
This is the only species of Trachypachus found in Alberta. The antennae only have scattered stiff setae, lacking dense, depressed pubescence on the outer seven antennomeres. The metacoxae are extended laterally to meet the margins of elytra. Black or very dark piceous, tibiae usually brownish, upper surface shiny brass. Prothorax with three lateral setigerous punctures each side; anterior and posterior margins fringed with short setae. Elytra with varying number (3-12) of irregular rows of punctures, effacing at apex. Length 3.8 to 5.8 mm.
Life History This species overwinters in the adult stage. Conservation Common. Diet Info Both larvae and adults are predatory. Range This species is found in Alaska and western United States and in western Canada, including the north. In Alberta this species is recorded from the Edmonton area and in the extreme north east corner of the provinve.

Citation

Page Citation for Trachypachus holmbergi

Page Citation

"Species Details - Trachypachus holmbergi, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-1540. Accessed 02 Dec. 2023.

Authorship

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

References

Specimen Information

There are 64 specimens of this Species.

64 results plotted on map in 20 markers.
Note: Only records with latitude and longitude coordinates are plotted on map.

UASM731 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Wabamun Lake Collected ByBall, G. E. Date Collected1963-05-19

UASM732 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Wabamun Lake Collected ByBall, G. E. Date Collected1963-05-19

UASM733 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Wabamun Lake Collected ByBall, G. E. Date Collected1963-05-19

UASM734 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Wabamun Lake Collected ByBall, G. E. Date Collected1963-05-19

UASM735 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Wabamun Lake Collected ByBall, G. E. Date Collected1963-05-19

UASM736 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Wabamun Lake Collected ByBall, G. E. Date Collected1963-05-19

UASM737 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Wabamun Lake Collected ByBall, G. E. Date Collected1963-05-19

UASM738 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Wabamun Lake Collected ByBall, G. E. Date Collected1963-05-19

UASM739 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Wabamun Lake Collected ByBall, G. E. Date Collected1963-05-19

UASM740 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Wabamun Lake Collected ByBall, G. E. Date Collected1963-05-19

UASM741 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Wabamun Lake Collected ByBall, G. E. Date Collected1963-05-19

UASM742 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Wabamun Lake Date Collected1964-05-18/1964-05-20

UASM743 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Wabamun Lake Date Collected1964-05-18/1964-05-20

UASM744 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Wabamun Lake Date Collected1964-05-18/1964-05-20

UASM745 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Wabamun Lake Date Collected1964-05-18/1964-05-20

UASM746 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Andrew Lake Collected ByFinnamore, A. T. Date Collected1988-06-18

UASM747 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Andrew Lake Collected ByFinnamore, A. T. Date Collected1988-06-15

UASM748 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Andrew Lake Collected ByFinnamore, A. T. Date Collected1988-06-15

UASM749 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Andrew Lake Collected ByFinnamore, A. T. Date Collected1988-06-15

UASM750 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Andrew Lake Collected ByShpeley, D. Date Collected1988-06-14/1988-06-18

UASM751 - Trachypachus holmbergi

University of Alberta E.H. Strickland Entomological Museum

Place CollectedCanada: Alberta, Andrew Lake Collected ByShpeley, D. Date Collected1988-05-15

Adult Seasonal Distribution