Classification of Cong and Ashworth 1996
Fm. Byrrhidae Latreille 1804 [pill beetle]
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Fm. Curculionidae Latreille 1802 [snout beetle]
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G. Lepesoma Motschulsky 1845
G. Steremnius Schonherr 1835
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Steremnius carinatus Boheman 1842
Steremnius tuberosus Gyllenhal 1836
G. Sthereus Motschulsky 1945
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Sthereus multituberculatus Buchanan 1936
Sthereus quadrituberculatus Motschulsky 1845
G. Tachinus Gravenhorst 1802
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Tachinus instabilis Maklin 1853
Tachinus tachyporoides Horn 1877
Tachinus thruppi Hatch 1957
G. Bembidion Latreille 1802
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Bembidion fortestriatum Motschulsky 1845
Bembidion haruspex Casey 1918
Bembidion planiusculum Mannerheim 1843
Bembidion rusticum Casey 1918
G. Micropeplus Latreille 1809
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Micropeplus laticollis Maklin 1853
Micropeplus nelsoni Campbell 1989
Micropeplus punctatus LeConte 1863
G. Pterostichus Bonelli 1810
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Pterostichus castaneus Dejean 1828
Pterostichus pumilus Casey 1913
G. Olophrum Erichson 1839
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Olophrum boreale Paykull 1792
Olophrum consimile Gyllenhal 1810
G. Plateumaris Thomson 1859 [reed leaf beetle]
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Plateumaris dubia Schaeffer 1925
Plateumaris germari Mannerheim 1843
Plateumaris neomexicana Schaeffer 1925
Plateumaris nitida Germar 1811
G. Aphodius Hellwig 1798
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Aphodius opacus Le Conte 1872
Aphodius pectoralis Le Conte 1857
G. Trechus Clairville 1806
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Trechus chalybeus Dejean 1831
Trechus oregonensis Hatch 1951
G. Pityophthorus Eichhoff 1864
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Pityophthorus digestus Le Conte 1874
Pityophthorus nitidulus Mannerheim 1843
G. Dendroctonus Erichson 1836 [bark beetle]
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Dendroctonus rufipennis Kirby 1837 [spruce beetle]
Fm. Scolytidae Latreille 1804 [bark beetle]
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G. Pseudohylesinus Swaine 1918
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Pseudohylesinus nebulosus Le Conte 1859
Pseudohylesinus sericeus Mannerheim 1843