SeasonalityThe HOLOTYPE specimen was collected in August.IdentificationMember of the inaequale group (subgenus Bracteon). Similar to both B. carinula and B. lapponicum. Dull brass throughout, silver spots little brighter, no smooth mirrors developed, except that corresponding parts of 3rd interval may be slightly darker; 1st antennal segment and legs (except tarsi) pale as in normal carinula. Shoulder margin more or less angulate, reaching 5th stria; all striae sharp, densely punctate, intervals slightly convex, 3rd only slightly widened with small silver spots. Length 5.4 to 5.9 mm.
Scientific NameBembidion balliHabitat
On barren river beaches made up mainly of sand.
Seasonality
The HOLOTYPE specimen was collected in August.
Identification
Member of the inaequale group (subgenus Bracteon). Similar to both B. carinula and B. lapponicum. Dull brass throughout, silver spots little brighter, no smooth mirrors developed, except that corresponding parts of…
Member of the inaequale group (subgenus Bracteon). Similar to both B. carinula and B. lapponicum. Dull brass throughout, silver spots little brighter, no smooth mirrors developed, except that corresponding parts of 3rd interval may be slightly darker; 1st antennal segment and legs (except tarsi) pale as in normal carinula. Shoulder margin more or less angulate, reaching 5th stria; all striae sharp, densely punctate, intervals slightly convex, 3rd only slightly widened with small silver spots. Length 5.4 to 5.9 mm.
Life History
No information available.
Conservation
Relatively rare.
Diet Info
Both larvae and adults are predatory.
Range
This species is found only in Alberta and west-central Saskatchewan in Canada. In Alberta this species is only recorded from the Fort McMurray (type locality) area.
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Citation
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Page Citation for Bembidion balli
Page Citation
"Species Details - Bembidion balli, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-2900. Accessed 02 Apr. 2025.
References
AuthorBousquet, Yves and Andre Larochelle
TitleCatalogue of the Geadephaga (Coleoptera: Trachypachidae, Rhysodidae, Carabidae Including Cicindelini) of America North of Mexico
Publication Date1993
Series TitleMemoirs of the Entomological Society of Canada
Pages1-397
AuthorLindroth, Carl H.
TitleThe Ground-beetles of Canada and Alaska. Part 3.
Publication Date1963
Series TitleOpuscula Entomologica
Volume24
Pages201-408
Specimen Information
There are 15 specimens of this Species.
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15 results plotted on map in 4 markers. Note: Only records with latitude and longitude coordinates are plotted on map.