Conservation Status
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More common in the east, rare in the west.
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Cyclicity
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Adults collected in May and June.
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Distribution
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This species is found in northcentral to northeastern United States and ranges across most of Canada. In Alberta this species has been collected in central and southern regions.
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General Description
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This species is in the subgenus Homoeocarabus. Black, upper surface and prosternum as a rule pronouncedly metallic, varying from bronze to copper or green. The prothorax is more convex than in granulatus, with less flattened sides. In elytral sculpture it resembles granulatus: three rows of strong tubercles alternating with two unbroken, more or less winding ridges; but the sutural ridge is lacking. The elytral margin is feebly serrate behind the shoulder. Length 15 to 23.5 mm.
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Habitat
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A hygrophilus species, confined to more or less moist ground with rich, moderately high vegetation.
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Life Cycle
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Overwinters in the adult stage.
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Trophic Strategy
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Both larvae and adults are predatory.
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Carabus maeander
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Carabus maeander is a species of beetle in the family Carabidae. The species fly in May and June, are black in colour and 15 to 23.5 millimetres (0.59 to 0.93 in) long. It is found in northeastern United States and both central and southern Canada (including Alberta).[1] The species is also found outside of North America. In Russia, it is found in eastern Siberia while in Japan it is known from Hokkaido and Kunashir Islands. It also exists in South Korea.[2]
Subspecies
These six subspecies belong to the species Carabus maeander:
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Carabus maeander chejuensis Deuve, 1991
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Carabus maeander evenkiensis[2]
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Carabus maeander lapilayi Castelnau, 1835[3]
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Carabus maeander maeander Fischer von Waldheim, 1820[2]
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Carabus maeander nobukii (Imura, 2003)
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Carabus maeander paludis Géhin, 1885[4]
References
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Carabus maeander: Brief Summary
provided by wikipedia EN
Carabus maeander is a species of beetle in the family Carabidae. The species fly in May and June, are black in colour and 15 to 23.5 millimetres (0.59 to 0.93 in) long. It is found in northeastern United States and both central and southern Canada (including Alberta). The species is also found outside of North America. In Russia, it is found in eastern Siberia while in Japan it is known from Hokkaido and Kunashir Islands. It also exists in South Korea.
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